单极性步进电机控制器电路--Unipolar Stepper Motor ControllerThis is a very good integrated circuit. There is no need for any external glue logic to drive the circuit, there is only 2 pins to drive the
PWM马达/灯控制器电路-PWM Motor/Light ControllerA pulse width modulator (PWM) is a device that may be used as an efficient light dimmer or DC motor speed controller. The circuit described here is a gen
红外遥控电路--Infrared Remote ControlThis circuit will allow you to turn on any piece of equipment that operates on 115 volts ac. The reciever circuit is based on the Radio Shack infrared receiver mod
红外线开关电路-Infra Red SwitchThis is a single channel (on / off) universal switch that may be used with any Infra Red remote control that uses wavelengths between 850-950nm.Notes: Any button&