Abstract: A riser card module includes a frame assembly, two first riser card assemblies and two second riser card assemblies. The frame assembly includes a mount component, a first frame and a second frame. The first frame and the second frame are fixed to the mount component, the first frame has two first installation slots, and the second frame has two second installation slots. The first riser card assemblies each includes a first circuit board and a first cable connected to each other. The two first circuit boards are respectively mounted into the two first installation slots. The second riser card assemblies each includes a second circuit board and a second cable connected to each other. The two second circuit boards are respectively mounted into the two second installation slots, and colors of the two second cables are different from colors of the two first cables.

Abstract: A semiconductor device and method of manufacture is provided including a redistribution structure; a plurality of core substrates attached to the redistribution structure using conductive connectors, each core substrate of the plurality of core substrates comprising a plurality of conductive posts; and one or more molding layers encapsulating the plurality of core substrates, where the one or more molding layers extends along sidewalls of the plurality of core substrates, and where the one or more molding layers extends along a portion of a sidewall of each of the conductive posts.

Abstract: An intermediate connection member includes a first insulating substrate portion, a second insulating substrate portion, an insulating layer portion provided between the first insulating substrate portion and the second insulating substrate portion and formed from a different material from the first insulating substrate portion and the second insulating substrate portion, a plurality of first wiring portions provided between the first insulating substrate portion and the insulating layer portion so as to extend in a first direction such that both end portions of the plurality of first wiring portions in the first direction are exposed to an outside, and a plurality of second wiring portions provided between the second insulating substrate portion and the insulating layer portion so as to extend in the first direction such that both end portions of the plurality of second wiring portions in the first direction are exposed to the outside.

Abstract: A capacitor assembly including at least one capacitor each having a first end and a second end spaced apart in a longitudinal direction, and a first terminal and a second terminal located at the first end of the capacitor, the first end being provided with a first surface, and the second end being provided with a second surface; a heat sink having a first cooling surface; and a connection system connecting the at least one capacitor heat conductively to the heat sink such that the second surface of each of the at least one capacitor is in heat conductive connection with the first cooling surface. The connection system is to in contact with the first surface of each of the at least one capacitor.

Abstract: A bladed chassis system facilitates installation of the bladed chassis system and replacement of the blades at the chassis. For example, a front panel of the blade can be opened either upwardly or downwardly at the discretion of the user. Blades can be inserted and removed from the front and/or the rear of the bladed chassis system at the discretion of the user. Cables can be routed to the rear of the chassis system from either of two sides at the discretion of the user. The blades carried by the chassis have fiber management trays that can be rotationally oriented in any desired rotational position at the discretion of the user.

Abstract: An electronic device capable of discharging static electricity is disclosed. The electronic device includes a housing, an antenna arrangement region, and an electrostatic discharge guide. The antenna arrangement region is disposed inside the housing. The electrostatic discharge guide includes a first conductive region, a second conductive region, a non-conductive region, and a discharging unit. The first conductive region is disposed on an inner surface of the housing, and the antenna arrangement region is disposed in the first conductive region. The second conductive region is disposed on the inner surface of the housing. The discharging unit is located in the first conductive region and has a tip, the tip extends toward the second conductive region to cause a spacing between the tip and the second conductive region to be less than or equal to a width of the non-conductive region.

Abstract: Elongated conductors are provided. Aspects of the elongated conductors include: an elongated structure having a proximal region and a distal region, where the elongated conductor includes two or more insulated conducting members that are in fixed relative position along at least a portion of the elongated structure and extend from the proximal region to the distal region. A pattern of insulation openings among the insulated conducting members is present at one or both of the proximal and distal regions. Aspects of the invention further include methods of making the elongated conductors, as well as devices that include the elongated conductors.

Abstract: Chamber bottom for a plasma thruster making it possible to combine several functions in a single piece and, in particular, to fasten certain insulating parts of the plasma thruster, the chamber bottom having, in a single piece, a chamber bottom surface for closing an annular chamber formed by the chamber bottom and at least one insulating part attached to the chamber bottom, and at least a first set of tabs including fastening tabs for fastening the at least one insulating part to the chamber bottom.

Abstract: A semiconductor includes a lower structure, an upper structure on the lower structure, and a connection pattern between the lower structure and the upper structure. The connection pattern is configured to electrically connect the lower structure and the upper structure to each other. The lower structure includes a lower base and a first lower chip on the lower base. The first lower chip includes a chip bonding pad, a pad structure, and a heat sink structure. The connection pattern is connected to the upper structure and extends away from the upper structure to be connected to the pad structure. The pad structure has a thickness greater than a thickness of the chip bonding pad. At least a portion of the heat sink structure is at a same height level as at least a portion of the pad structure.

Abstract: A sensor device includes a mounting member having fixation surfaces inside, and at least one electronic component directly or indirectly fixed to the fixation surfaces of the mounting member, and the mounting member constitutes a part of a casing for housing the electronic component. Further, the fixation surfaces are perpendicular to each other.

Abstract: A tiled display device includes two panels and two cover layers respectively disposed on the two panels. The two cover layers include a contact region. A top portion and a bottom portion of the contact region have a height H. One of the two cover layers has a thickness Tn. One of the two panels has a distance Xn between an upper surface of the one of the two panels and the bottom portion of the contact region. The one of the two panels is corresponding to the one of the two cover layers. The height H, the thickness Tn and the distance Xn satisfy the equation: 0<H/(Xn+Tn)<0.8.

Abstract: A display device or an electronic device with high portability and browsability is provided. A display device which includes two display panels that overlap with each other and in which the area of a portion where the two display panels overlap with each other is variable is provided. The larger the area where the two display panels overlap with each other is, the smaller the display device becomes. The first display panel includes a first region that performs display. The second display panel includes a second region that performs display, and a third region that is adjacent to the second region and transmits visible light. When the third region overlaps with the side of a surface which performs display of the first region, display can be performed using a seamless large display region.

Abstract: A attachment structure enabling more efficient work in performing maintenance of a fan of a fan unit and a more stable electrical connection between a main body of an electrical equipment and a fan unit. A attachment structure configured to detachably attach a fan unit including a fan and a casing housing the fan to/from a main body of an electrical equipment includes a guide mechanism configured to guide a slide motion of sliding the casing in one direction relative to the main body to dispose the casing at a mounting position, and a retaining mechanism configured to restrict movement of the casing relative to the main body in a direction opposite the one direction when the casing is disposed at the mounting position by the slide motion.

Abstract: At least one processor included in an electronic device can acquire first motion data about the motion of the electronic device through at least one motion sensor, acquire second motion data about a motion of an external device through a connector included in the electronic device, determine, on the basis of the first motion data and the second motion data, the folding angle between the electronic device and the external device connected to the electronic device, and determine, on the basis of the determined folding angle, an input mode that sets whether to display a user interface on a display or whether to block an input signal received through the connector. Various other embodiments identified through the specification are possible.

Abstract: A bladed chassis system facilitates installation of the bladed chassis system and replacement of the blades at the chassis. For example, a front panel of the blade can be opened either upwardly or downwardly at the discretion of the user. Blades can be inserted and removed from the front and/or the rear of the bladed chassis system at the discretion of the user. Cables can be routed to the rear of the chassis system from either of two sides at the discretion of the user. The blades carried by the chassis have fiber management trays that can be rotationally oriented in any desired rotational position at the discretion of the user.

Abstract: The present application discloses a rotating device and a display device, which relate to a field of electronic technologies. The rotating device includes: a first member including an anti-rotation groove and at least one first connecting portion; and a second member including an anti-rotation protrusion and at least one second connecting portion. The first connecting portion and the second connecting portion are rotationally connected, and the anti-rotation protrusion enters the anti-rotation groove to prevent the first connecting portion from rotating along a first direction with respect to the second connecting portion.

Abstract: An apparatus includes an extruding device configured to dispense a dielectric material though an orifice, a wire feed device configured to feed a conductive wire through the orifice, and a cutting device configured to sever the wire. It also includes an electronic controller configured to control the extruding device, the wire feed device, and the cutting device. The electronic controller commands the extruding device to dispense the dielectric material though the orifice, the wire feed device to feed the wire through the orifice, and the cutting device to sever the wire, thereby forming a dielectric substrate encasing a plurality of wires. The electronic controller further commands the extruding device to form an opening defined in the substrate in which plurality of electrically conductive wires is exposed and a location feature on the substrate located with a positional tolerance less than or equal to 1 mm relative to the opening.

Abstract: A portable electronic apparatus with multiple screens includes a first screen and a second screen movably coupled to the first screen along an arcuate path to be received in the first screen or moved out of the first screen. The first screen and the second screen face a same side of the portable electronic apparatus. The second screen includes a base, a lifting mechanism disposed on the base, and a display unit. The display unit is disposed on the lifting mechanism to be driven by the lifting mechanism to be lifted or lowered relative to the base. When the second screen is moved out of the first screen and a step is provided between a display surface of the display unit and a display surface of the first screen, the display unit is adapted to be lifted relative to the base through the lifting mechanism to compensate the step.

Abstract: The disclosure relates to a modular arrangement of a converter for the electrical supply of a multi-phase electric motor. The modular arrangement includes multiple output stage modules, each module having a separate first housing. An output stage module is provided for each phase of the electric motor, wherein the output stage module has a phase intermediate circuit and an inverter circuit, together forming a commutation cell. The phase intermediate circuit supplies DC voltage and is electrically connected to the inverter circuit. The disclosure also relates to a motor arrangement and an aircraft having a motor arrangement of this type.

Abstract: A method of fixing a flexible printed circuit (FPC) and a mobile terminal are provided. The mobile terminal includes: a rear cover; a first FPC fixedly connected to the rear cover; a front housing provided with a battery accommodation compartment; in case that a battery is installed in the battery accommodation compartment, there is a gap between the battery and the first FPC.

Abstract: A monitoring system is disclosed for automatically estimating and monitoring the alignment of tracks of a track-type vehicle. The track-type vehicle includes an undercarriage and two tracks. Each track includes a chain with a plurality of chain links and articulated joints. The monitoring system includes at least one undercarriage sensor fixable on the undercarriage, at least one chain sensor fixable on the chain of each of the two tracks, and a processor configured to combine the detections of the sensors to determine the alignment direction of the tracks and to compare the determined direction with a reference alignment direction.

Abstract: A circuit interrupter adapted to be detachably connected to a rail system includes a housing having a notch disposed thereon adapted to receive a first leg of the rail system. An engagement member having a notch disposed therein adapted to receive a second leg of the rail system is slideably carried by the housing such that the notch in the engagement member is moveable in a first plane toward and away from the notch in the housing between an engaged position and a disengaged position. An actuation member is slideably carried by the housing and is moveable in a second plane, different than the first plane, between an actuated position and an unactuated position, movement of the actuation member in the second plane being translated into movement of the engagement member in the first plane.

Abstract: Various cellular tower plate connection systems are detailed herein. Such systems can include an antenna plate assembly. This assembly can include an antenna plate and antenna port connectors attached to a first side of the antenna plate. Cable connectors may be present that are attached to a second side of the antenna plate opposite the first side of the antenna plate. The assembly can include a first attachment mechanism that secures antenna port connectors to antenna ports of an antenna system. The antenna port connectors may be arranged on the first side of the antenna plate such that the antenna port connectors mate with the antenna ports of the antenna system in a single possible orientation.

Abstract: A control unit comprises a processing device with an electrical connection; a diagnostic circuit, which is electrically connected to the connection; and a sheathing, which completely insulates the connection electrically. At the same time, the diagnostic circuit comprises an electrical interface and is configured to sample an electrical signal at the connection and provide the result via the interface.

Abstract: A bladed chassis system facilitates installation of the bladed chassis system and replacement of the blades at the chassis. For example, a front panel of the blade can be opened either upwardly or downwardly at the discretion of the user. Blades can be inserted and removed from the front and/or the rear of the bladed chassis system at the discretion of the user. Cables can be routed to the rear of the chassis system from either of two sides at the discretion of the user. The blades carried by the chassis have fiber management trays that can be rotationally oriented in any desired rotational position at the discretion of the user.

Abstract: A capacitor carrier assembly includes a carrier, a capacitor disposed in the carrier and electrically conductive connection terminals that support the carrier with respect to another electronic component or device such as a printed circuit board. Each connection terminal has a body portion that is electrically connected to one capacitor lead of the pair of capacitor leads at a connection location, and a device connection portion that protrudes from the carrier. Leads of the capacitor and the connection locations are encapsulated by wall structures of the carrier.

Abstract: A monolithic electronic device includes a plurality of rigid portions arranged in a polyhedron shape and a plurality of in-plane and out-of-plane deformable portions connecting the plurality of rigid portions to each other. Each of the plurality of rigid portions has an outer side and an opposing inner side. The inner of each of the plurality of rigid portions face an inside of the polyhedron shape. At least some of the plurality of rigid portions include semiconductor devices on both the outer and inner sides. The plurality of rigid portions and the plurality of in-plane and out-of-plane deformable portions are monolithic.

Abstract: A system for controlling assets via smart power switching devices having at least one beacon, at least one switch, and at least one battery selector. The at least one switch is a power controlling device programmed to control a plurality of assets. The at least one beacon, the at least one switch, and the at least one battery selector connect through a wireless mesh network. The at least one beacon, the at least one switch, and the at least one battery selector each communicate via wireless communication.

Abstract: A portable power manager device (100) includes a DC power bus (110) and a plurality of device ports (141, 142, and 143). A primary device port (143) is connectable to the DC power bus over a primary power channel that does not include a DC to DC power converter. A plurality of secondary device ports (141, 142) is each connectable to the DC power bus over a different reconfigurable power channel (151, 152). Each reconfigurable power channel includes a single one-way DC to DC power converter (220, 221). Each reconfigurable power channel is configurable by a digital data processor as one of three different circuit legs (230, 232, and 234). Leg (230) provides output power conversion. Leg (232) provides input power conversion. Leg (234) provides bi-directional power exchange without power conversion.

Abstract: Systems and methods for thermal management for high power density EMI shielded electronic devices. In one embodiment, an electronic module comprises: a circuit board; at least one integrated circuit mounted to the circuit board; at least one electro-magnetic interference (EMI) shield fence mounted to the circuit board, wherein the at least one integrated circuit is mounted within a perimeter defined by the EMI shield fence; a heatsink EMI shield lid secured onto the at least one EMI shield fence, wherein the heatsink EMI shield lid seals the at least one integrated circuit within the at least one EMI shield fence; wherein the heatsink EMI shield lid comprises a spring loaded thermal interface in conductive thermal contact with the at least one integrated circuit.

Abstract: A semiconductor device according to an embodiment comprises a substrate and a first semiconductor chip provided above the substrate. A second semiconductor chip is provided above the first semiconductor chip. A spacer chip is provided between the first semiconductor chip and the second semiconductor chip with regard to a direction orthogonal to a mount surface of the substrate, the spacer chip being made of a first resin material. A first adhesive material is provided between the spacer chip and the substrate or the first semiconductor chip. A second adhesive material is provided between the spacer chip and the second semiconductor chip. A second resin material covers the first and second semiconductor chips and the spacer chip.

Abstract: A micro inertial measurement system includes a housing, a sensing module, and a damper. The sensing module includes a rigid sensing support, a measuring and controlling circuit board mounted on the rigid sensing support and an inertial sensor set on the measuring and controlling circuit board. The inertial sensor includes a gyroscope and an accelerometer. The sensing module is mounted in the housing. The damper is mounted in the housing and set in the gap between the sensing module and the inside wall of the housing. By use of the above-mentioned structure, the noise immunity of the inertial measuring system can be greatly improved, and the volume and weight of the inertial measuring system can be greatly reduced.

Abstract: A mobile terminal is disclosed. The mobile terminal includes a first body including a first display; and a second body hinge-coupled to the first body, the second body including a second display, wherein the first display includes a first flat display and a first curved display positioned on a side of the first body and extended and curved from the first flat display, wherein the second display includes a second flat display and a second curved display positioned on a side of the second body and extended and curved from the second flat display, wherein at least a portion of the first and second curved displays is deactivated when an outer surface of the first curved display faces an outer surface of the second curved display.

Abstract: A composite substrate includes a flat cable and a mounting board. The flat cable includes a first end portion and a second end portion, and a first bonding portion, a circuit portion, and a second bonding portion in this order in the length direction from the first end portion toward the second end portion. A positioning hole is disposed between the first end portion and the first bonding portion in the length direction. Another positioning hole is disposed between the second end portion and the second bonding portion in the length direction. The mounting board includes a mounting land conductor and a convex portion. The convex portion is fitted in the positioning hole. The mounting land conductor is bonded by surface mounting to an external connection conductor of the first bonding portion and an external connection conductor of the second bonding portion.

Abstract: A display apparatus includes a substrate including a bent area between a first area and a second area, and bent about a bending axis, a display unit over an upper surface of the substrate at the first area, and a protective film over a lower surface of the substrate that is opposite to the upper surface, and including an opening corresponding to the bent area, wherein an inner side surface of the opening is inclined with respect to the lower surface of the substrate.

Abstract: In some examples, a computing device may include a heatsink, a thermal spreader, a first thermal pad located between the heatsink and the thermal spreader, a circuit board comprising a plurality of components, and a second thermal pad located between the thermal spreader and the circuit board. A plurality of standoffs may be located between the heatsink and the circuit board. Each standoff of the plurality of standoffs may pass through a corresponding spring of a plurality of springs and pass through a corresponding mounting hole of a plurality of mounting holes in the thermal spreader. Each screw of a plurality of screws may engage with a corresponding standoff of the plurality of standoffs. The plurality of springs may cause the thermal spreader and the second thermal pad to a relatively uniform amount of pressure to each component of the plurality of components.

Abstract: A bladed chassis system facilitates installation of the bladed chassis system and replacement of the blades at the chassis. For example, a front panel of the blade can be opened either upwardly or downwardly at the discretion of the user. Blades can be inserted and removed from the front and/or the rear of the bladed chassis system at the discretion of the user. Cables can be routed to the rear of the chassis system from either of two sides at the discretion of the user. The blades carried by the chassis have fiber management trays that can be rotationally oriented in any desired rotational position at the discretion of the user.

Abstract: A method and playback device for controlling a working state of a mobile terminal, and a storage medium are provided. The mobile terminal is communicated with a playback device, and the playback device includes a sensor, a detector and a transmitter. The method includes: determining, by the sensor, that a current state of the playback device is in an inactive state; detecting, by the detector, whether the mobile terminal is in a working state; and sending, by the transmitter, to the mobile terminal an instruction for instructing the mobile terminal to shift into a standby state when the mobile terminal is in the working state.

Abstract: A substrate connection structure includes: a first substrate having a first conductive pattern and a first screw insertion hole disposed therein; a second substrate having a second conductive pattern and a second screw insertion hole disposed therein; a connector having a main body with an arrangement hole and a connection terminal; a restriction member arranged in the arrangement hole and having a screw through hole; a screw; and an attachment having a female screw. One end of the connection terminal is soldered on the first conductive pattern. The screw penetrates the second screw insertion hole, the screw through hole and the first screw insertion hole, and screwed into the attachment, so that the first substrate, the restriction member and the second substrate are connected each other, and the second conductive pattern is electrically connected to the other end of the connection terminal.

Abstract: A module includes a first rigid substrate including an analog circuit; a second rigid substrate including a digital circuit; a third rigid substrate including an angular velocity sensor; a first connecting portion that connects the first rigid substrate and the second rigid substrate so as to electrically connect the analog circuit and the digital circuit, and that has flexibility; and a second connecting portion that connects the first rigid substrate and the third rigid substrate so as to electrically connect the analog circuit and the angular velocity sensor, and that has flexibility.

Abstract: An electronic device having a housing structure that is configured to receive at least one glass cover is disclosed. The glass cover serves to cover a display assembly provided within the electronic device. The glass cover can be secured to the housing structure so as to facilitate providing a narrow border between an active display area and an outer edge of the housing structure. The enclosure for the electronic device can be thin yet be sufficiently strong to be suitable for use in electronic devices, such as portable electronic devices.

Abstract: The client terminal includes a candidate display control unit configured to control a candidate for a reference captured image to be displayed on a display unit, the reference captured image being retrieved based on a preliminary captured image obtained by preliminary image capture in an imaging unit and being referred to during actual image capture, and a detailed information output control unit configured to control detailed information to be output, the detailed information being attached to a reference captured image selected from among the displayed candidates for the reference captured image.

Abstract: A folding electronic device is disclosed. The folding electronic device includes a first flexible display, a second flexible display, a hinge mechanism and an image data generation unit. The first flexible display, which includes a first pixel matrix disposed at a first primary flat part and at a first bending part, enables a user to observe light beams emitted from the first primary flat part and the first bending part that bends to define a first inner side face in a front view direction. The second flexible display, which includes a second pixel matrix disposed at a second primary flat part and a second bending part, enables said user to observe light beams emitted from the second primary flat part and the second bending part that bends to define a second inner side face in the front view direction. The first flexible display is connected to the second flexible display via the hinge mechanism.

Abstract: To reduce attenuation of vibration in provision of a tactile sensation when both of a piezoelectric element for providing a tactile sensation and a piezoelectric element for transmitting sound are provided to a panel, an electronic device 1 includes a panel 10, a first piezoelectric element 31 and a second piezoelectric element 32 that are attached to the panel 10, and a control unit 50 for controlling such that the second piezoelectric element 32 is driven to output sound and, when the panel 10 detects a contact, such that the first piezoelectric element 31 is driven, and that the control unit 50, when the panel 10 detects the contact, controls such that the second piezoelectric element 32 is driven as well as the first piezoelectric element 31.

Abstract: Into one housing, another housing interlocks, and a penetrating hole into which a lock member for maintaining the interlocking state between the connectors is insertable and from which the inserted lock member is removable when releasing the interlocking state is formed in the other housing. A lock section is attached at a position corresponding to the penetrating hole in the inner wall of the one housing facing the other housing when the connectors are interlocked with each other, and is composed to be lockable with the lock member inserted into the penetrating hole. A connector is a pair of members attached to both ends of the lock section facing each other so as to interpose the lock section in between, and is connected to a circuit board positioned on the outside of the first housing in a state covering a portion of the one housing along with the lock section.

Abstract: A surface mount device in which a pin adapter that is integrally formed with a plurality of pins connects a base board and a main board is provided to enable an automatic mounting, to enable a reflow soldering, to increase the flexibility of design, and to satisfy requirements of customers. In the surface mount device, a pin adapter 5 that is formed integrally with a plurality of pins 6 is placed on a base board 1, the base board 1 and the main board 2 are connected by inserting the tips of the pins 6 into the corresponding locations of the main board 2, the leg portions of the pin adapter 5 are folded toward inside, and opening sections 52 are formed at the leg portions.

Abstract: Techniques are provided for sending and receiving data communications across management data channels. The techniques comprise a quad small form-factor pluggable (QSFP) transceiver module configured to send and receive a plurality of data signals, a plurality of enhanced small form-factor pluggable (SFP+) transceiver cage devices, and a plurality of management cables. Each of the SFP+ transceiver cage devices is configured to interface with an SFP+ transceiver module. Each of the management cables is configured to interface with the QSFP transceiver module and corresponding ones of the SFP+ transceiver cage devices. Furthermore, each of the management cables operates as a data channel to manage data flow between the QSFP transceiver module and the corresponding ones of the SFP+ transceiver cage devices.

Abstract: According to one embodiment, a television receiver includes: a housing; a circuit board arranged in the housing; an electronic component mounted on the circuit board; a reinforcing member comprising a first surface in contact with the circuit board, and a second surface located on an opposite side of the first surface and exposed to an inside of the housing; a component contained in the housing, the component comprising a first supported area located at a distance from a surface of the circuit board; and a support member configured to support the component, the support member comprising a first end portion fixed to the first supported area of the component, and a second end portion fixed to the second surface of the reinforcing member.

Abstract: A lightweight radio/CD player for vehicular application is virtually “fastenerless” and includes a case and frontal interface formed of polymer based material that is molded to provide details to accept audio devices such as playback mechanisms (if desired) and radio receivers, as well as the circuit boards required for electrical control and display. The case and frontal interface are of composite structure, including an insert molded electrically conductive wire mesh screen that has been pre-formed to contour with the molding operation. The wire mesh provides EMC, RFI, BCI and ESD shielding and grounding of the circuit boards via exposed wire mesh pads and adjacent ground clips. The major components and subassemblies self-interconnect by integral guide and connection features effecting “slide lock” and “snap lock” self-interconnection. The major components and subassemblies self-ground by establishing an interference fit with exposed, resilient, embossed portions of wire mesh.

Abstract: Electrical connectors, electrical modules, and systems are provided. In one aspect, an electrical connector includes a housing defining a side surface, an electrical conductor supported by the housing and including an engagement portion proximate the side surface of the housing. The engagement portion is adapted to engage another electrical conductor of another electrical connector. The connector also includes a magnet supported by the housing proximate the side surface of the housing, a projection extending from the side surface of the housing, and a receptacle defined in the side surface of the housing. In other aspects, an electrical module includes at least one of these electrical connectors. In further aspects, a system includes a plurality of these modules and the modules are selectively couplable together.