Abstract: A system for controlling multiple light sources is provided. The system includes a controller, a digital to analog converter (DAC), and at least one power amplifier. The controller is configured for receiving light control data for at least one light circuit, and for determining a digital luminance signal and an encoded address for each light circuit according to the light control data. The DAC is connected to the controller and configured for receiving the digital luminance signal and the encoded address for each light circuit, converting the digital luminance signal into an analog luminance signal, and for outputting the analog luminance signal according to the encoded address. Each power amplifier is connected to the DAC, and is configured for amplifying the analog luminance signal for the light circuit so as to drive the light circuit to control a corresponding light source.

Abstract: A method for calculating coordinate values of a measuring machine is provided. The method includes receiving signals in three dimensions from a raster ruler signal generator, identifying a direction of each signal and multiply a frequency of each signal. The method further includes counting each of multiplied signals in each dimension, sending the counted data to the MCU. The method further includes adding the counted data of each of the multiplied signals in each dimension to obtain an accumulated number in each dimension and calculating coordinate values of the measuring machine according to the accumulated number in each dimension and a proportionality factor of the raster ruler signal generator.

Abstract: An exemplary system for light control is disclosed. The system includes a computer (1), a chip (3) which is connected with the computer via a level converting circuit (2), and a plurality of light luminance control circuits. Each light luminance control circuit controls a corresponding light circuit. A related method is also disclosed. The method includes the steps of: initializing parameters for a communication serial port of a computer and a chip; receiving light luminance information, and outputting the light luminance information to the chip; processing the received light luminance information, and sending a light luminance control signal to each light luminance control circuit; converting the received light luminance control signal; and controlling light of each light circuit.

Abstract: A system for driving a step motor is provided. The system receives a data packet from a computer, wherein the data packet comprises a header data and a main data. An identification of the main data is determined according to the header data. A selected magnification level of a lens module connected with the step motor is converted into drive signals for driving rotation of the step motor upon the condition that the identification of the main data is a numerical zoom value corresponding to the selected magnification level.

Abstract: A method for calculating coordinate values of a measuring machine is provided. The method includes receiving signals in three dimensions from a raster ruler signal generator, identifying a direction of each signal and multiply a frequency of each signal. The method further includes counting each of multiplied signals in each dimension, sending the counted data to the MCU. The method further includes adding the counted data of each of the multiplied signals in each dimension to obtain an accumulated number in each dimension and calculating coordinate values of the measuring machine according to the accumulated number in each dimension and a proportionality factor of the raster ruler signal generator.

Abstract: A system for controlling multiple light sources is provided. The system includes a controller, a digital to analog converter (DAC), and at least one power amplifier. The controller is configured for receiving light control data for at least one light circuit, and for determining a digital luminance signal and an encoded address for each light circuit according to the light control data. The DAC is connected to the controller and configured for receiving the digital luminance signal and the encoded address for each light circuit, converting the digital luminance signal into an analog luminance signal, and for outputting the analog luminance signal according to the encoded address. Each power amplifier is connected to the DAC, and is configured for amplifying the analog luminance signal for the light circuit so as to drive the light circuit to control a corresponding light source.

Abstract: A system for controlling device operations with a joystick includes: a computer (10) connects to the device (2), a joystick (4) and a control panel (5) connect to the computer through a control circuit (3); the computer is configured for configuring a predetermined data format of data transmissions between the computer and the control circuit; the control circuit is configured for receiving switch status signals from the control panel and the joystick input signals, digitalizing and encoding the switch status signals and the joystick input signals to a data packet according to the predetermined data format, and sending the data packet to the computer, the joystick input signals including/containing/reflecting directional inputs of the joystick, the directional inputs including a backward directional input, a forward directional input, a left directional input, a right directional input, and a rotational input; the joystick is configured for receiving the directional inputs and for generating the joystick inpu

Abstract: An exemplary system for light control is disclosed. The system includes a computer (1), a chip (3) which is connected with the computer via a level converting circuit (2), and a plurality of light luminance control circuits. Each light luminance control circuit controls a corresponding light circuit. A related method is also disclosed. The method includes the steps of: initializing parameters for a communication serial port of a computer and a chip; receiving light luminance information, and outputting the light luminance information to the chip; processing the received light luminance information, and sending a light luminance control signal to each light luminance control circuit; converting the received light luminance control signal; and controlling light of each light circuit.