Abstract: The present disclosure provides a method for monitoring a network status of a Zigbee node. The method includes: acquiring a value of a status tag configured on the Zigbee node, the value of the status tag indicating a current network status of the Zigbee node; and determining that the value of the status tag equals a first preset value and a preset condition associated with the status tag is met. The first preset value indicates that the Zigbee node has joined a Zigbee coordinator but has not joined a gateway. The method also includes: in response to determining that the value of the status tag equals the first preset value and the preset condition is met, restarting the Zigbee node and resetting the value of the status tag to an initial value. The initial value indicates that the Zigbee node has not joined the Zigbee coordinator.

Abstract: A controlling method for coexistence of dual modes, including: when a Wi-Fi chip in a station (STA) mode needs to switch from a first signal channel to a second signal channel, sending, by the Wi-Fi chip in an access point (AP) mode, a control message to an external device, where the control message indicates that the Wi-Fi chip is in an absent status within a preset period of time, thus enabling the external device to stop transmitting data to the Wi-Fi chip based on the control message within the preset period of time; within the preset period of time, switching the Wi-Fi chip to work in the second signal channel; and when the preset period of time ends, switching the Wi-Fi chip back to work in the first signal channel.

Abstract: A noise cancellation pillow and pillow combination are provided. The pillow includes: a noise collector, a loudspeaker, and a noise cancellation device disposed inside the pillow. The noise collector and the loudspeaker communicate with and are connected to the noise cancellation device, respectively. The noise collector is configured to collect a noise signal generated by a noise source and send the noise signal to the noise cancellation device. The noise cancellation device is configured to receive the noise signal, generate a noise cancellation signal based on the noise signal, and send the noise cancellation signal to the loudspeaker. The loudspeaker is configured to receive the noise cancellation signal sent by the noise cancellation device and radiate the noise cancellation signal, such that the noise signal is counteracted. The disclosed noise cancellation pillow and pillow combination may cancel an ambient noise and improve sleep quality of a user.

Abstract: A controlling method for coexistence of dual modes, including: when a Wi-Fi chip in a station (STA) mode needs to switch from a first signal channel to a second signal channel, sending, by the Wi-Fi chip in an access point (AP) mode, a control message to an external device, where the control message indicates that the Wi-Fi chip is in an absent status within a preset period of time, thus enabling the external device to stop transmitting data to the Wi-Fi chip based on the control message within the preset period of time; within the preset period of time, switching the Wi-Fi chip to work in the second signal channel; and when the preset period of time ends, switching the Wi-Fi chip back to work in the first signal channel.

Abstract: The present disclosure provides a sensor light and a system for preventing false triggering of a sensor. The sensor light includes a sensor module, a light emitting module, a power drive circuit, and a shielding component. The sensor module is configured to measure incoming infrared light radiated to the sensor module, and generate a trigger signal when the measured infrared light meets a preset condition. The light emitting module is configured to emit light. The power drive circuit is connected to the sensor module and the light emitting module, and configured to receive the trigger signal from the sensor module, and control the light emitting module to emit light in response to the trigger signal. The shielding component is disposed between the sensor module and the light emitting module, and configured to shield the sensor module from radiation of infrared light generated by the light emitting module.

Abstract: The present disclosure provides a method for monitoring a network status of a Zigbee node. The method includes: acquiring a value of a status tag configured on the Zigbee node, the value of the status tag indicating a current network status of the Zigbee node; and determining that the value of the status tag equals a first preset value and a preset condition associated with the status tag is met. The first preset value indicates that the Zigbee node has joined a Zigbee coordinator but has not joined a gateway. The method also includes: in response to determining that the value of the status tag equals the first preset value and the preset condition is met, restarting the Zigbee node and resetting the value of the status tag to an initial value. The initial value indicates that the Zigbee node has not joined the Zigbee coordinator.

Abstract: A terminal, and a system and method for controlling and displaying an LED light bulb are provided. The terminal includes a first controller and a display module. The first controller is connected to the display module, a camera, and an LED light bulb, respectively. The first controller sends a control command to the LED light bulb to enable the LED light bulb to perform a light-bulb-adjusting operation corresponding to the control command, receive image data of the light-bulb-adjusting operation sent by the camera, and transmit the image data of the light-bulb-adjusting operation to the display module. The display module displays the image data of the light-bulb-adjusting operation and the light-adjusting information carried by the control command to a user. Thus, the terminal acquires the image data of the light-bulb-adjusting operation of the LED light bulb in real-time.

Abstract: A terminal, and a system and method for controlling and displaying an LED light bulb are provided. The terminal includes a first controller and a display module. The first controller is connected to the display module, a camera, and an LED light bulb, respectively. The first controller sends a control command to the LED light bulb to enable the LED light bulb to perform a light-bulb-adjusting operation corresponding to the control command, receive image data of the light-bulb-adjusting operation sent by the camera, and transmit the image data of the light-bulb-adjusting operation to the display module. The display module displays the image data of the light-bulb-adjusting operation and the light-adjusting information carried by the control command to a user. Thus, the terminal acquires the image data of the light-bulb-adjusting operation of the LED light bulb in real-time.

Abstract: The present disclosure provides a sensor light and a system for preventing false triggering of a sensor. The sensor light includes a sensor module, a light emitting module, a power drive circuit, and a shielding component. The sensor module is configured to measure incoming infrared light radiated to the sensor module, and generate a trigger signal when the measured infrared light meets a preset condition. The light emitting module is configured to emit light. The power drive circuit is connected to the sensor module and the light emitting module, and configured to receive the trigger signal from the sensor module, and control the light emitting module to emit light in response to the trigger signal. The shielding component is disposed between the sensor module and the light emitting module, and configured to shield the sensor module from radiation of infrared light generated by the light emitting module.

Abstract: A rectifier circuit and a dimmer circuit are provided, comprising: an isolating driver circuit, a switching control circuit, a before-bridge damper circuit, and a rectifier bridge. The isolating driver circuit is connected to the before-bridge damper circuit via the switching control circuit, two ends of the switching control circuit are connected to two input ends of the rectifier bridge, respectively, and two ends of the before-bridge damper circuit are connected to the two input ends of the rectifier bridge, respectively. In the disclosed rectifier circuit and damper circuit, the isolating driver circuit receives the after-bridge control signal after the rectifier bridge, the switching control circuit controls connection or disconnection of the before-bridge damper circuit to the rectifier circuit based on the after-bridge control signal.

Abstract: A rectifier circuit and a dimmer circuit are provided, comprising: an isolating driver circuit, a switching control circuit, a before-bridge damper circuit, and a rectifier bridge. The isolating driver circuit is connected to the before-bridge damper circuit via the switching control circuit, two ends of the switching control circuit are connected to two input ends of the rectifier bridge, respectively, and two ends of the before-bridge damper circuit are connected to the two input ends of the rectifier bridge, respectively. In the disclosed rectifier circuit and damper circuit, the isolating driver circuit receives the after-bridge control signal after the rectifier bridge, the switching control circuit controls connection or disconnection of the before-bridge damper circuit to the rectifier circuit based on the after-bridge control signal.

Abstract: The present disclosure provides a method for measuring an ambient brightness value, including: obtaining an exposure value of a photographing device during an automatic exposure process and an image brightness value corresponding to the exposure value; and determining an ambient brightness value based on the exposure value, the image brightness value, and an automatic exposure enhancement coefficient of the photographing device.

Abstract: The present disclosure provides a method for target detection, including: obtaining an image captured by a camera, and zoning the image based on a mounting angle of the camera to obtain at least one image block; determining target-detection algorithms for the at least one image block based on positions of the at least one image block in the image; and performing target detection on the at least one image block based on the target-detection algorithms.

Abstract: The present disclosure provides an LED lamp including one or more LED loads, a transformer, a wireless module, a control switch, and a resistor. The transformer includes a primary coil, a first secondary coil configured to power the one or more LED loads of the LED lamp, and a second secondary coil configured to power the wireless module. The resistor is connected in series with the control switch and then connected in parallel with at least one of the one or more LED loads. The wireless module is configured to send a connection signal to turn on the control switch during a turn-off process of the LED lamp.

Abstract: The present disclosure provides a method for reporting brightness-adjusting data from a smart lighting device, a smart lighting device, and a gateway. The method includes: receiving a brightness-adjusting command from a smart terminal, the brightness-adjusting command containing brightness-adjusting data having a desired brightness value; adjusting a brightness value to the desired brightness value according to the brightness-adjusting command; and reporting the brightness-adjusting data and a serial number corresponding to the brightness-adjusting data to a gateway.

Abstract: A switch-tube driver circuit is provided, comprising: a first field effect tube, a control element, a first time delay circuit, and a second time delay circuit. The first time delay circuit comprises: a first resistor and a first capacitor. The second time delay circuit comprises: a second resistor and a second capacitor. A gate electrode of the first field effect tube is connected to the signal input interface, a source electrode of the first field effect tube is connected to ground, and a drain electrode of the first field tube is connected to an end of the first transistor, an end of the first capacitor, and a first end of the control element, respectively. The other end of the first resistor accesses a bias voltage and is connected to an end of the second resistor, and the other end of the first capacitor is connected to ground.

Abstract: A distributed task system based on internet of things and a related service processing method are provided. The system can include a trigger for receiving data sent by a smart device or a user in the internet of things, a task scheduling module and a plurality of processing units. The task scheduling module can instantiate a service processing flow according to the data received by the trigger, and can sequentially schedule and start multiple processing units according to the service processing flow. Each processing units can execute a certain stage task of the service processing flow, and send an execution result of the certain stage of the service processing flow back to the task scheduling module. And the task scheduling module can notify the smart device or the user of a final execution result of one processing unit that executes a final stage task of the service processing flow.

Abstract: The present disclosure provides an indoor navigation and information push system and method using LED lighting devices. The indoor navigation and information push system includes three LED lighting devices, each with a built-in Wi-Fi module and an information storage and navigation server configured to wirelessly communicate with LED lighting devices, store and transmit promotion data and product information. The information storage and navigation server and the LED lighting devices form an indoor wireless network. The indoor navigation and information push system further includes a user terminal configured to wirelessly communicate with the LED lighting devices and sends service requests to or receives data from the LED lighting devices.

Abstract: The present disclosure provides a smart LED lighting device, including an LED light-emitting unit, an LED power supply unit, a wireless unit configured to send and receive video data, a video processing and controller unit configured to transmit analyzed and processed video data to a projection unit, a projection unit configured to receive and transmit the video data to a lens unit, and a lens unit configured to project produced video data onto a screen. The present disclosure also provides a smart LED lighting system using the smart LED lighting device. The present disclosure provides lighting as well as projection functions, allowing full integration of lighting control and video projection. A wireless communication unit is used to facilitate networking so that online videos can be projected remotely. The disclosed lighting device can also act as a router to provide internet access to connected devices, enhancing user experience.

Abstract: A method for controlling an infrared illuminator and a related image-recording device are provided. The method for controlling an infrared illuminator includes: turning on the infrared illuminator in a filming environment to provide light; filtering out light-reflection interference caused by the light to obtain an actual visible illuminance value; and controlling on and off states of the infrared illuminator based on the actual visible illuminance value.