双线灯闪光灯电路--Two-wire Lamp FlasherIdeal to operate 3 to 24V DC existing on-circuit lampsLED operation is also possible Parts: R1______________6K8 1/4W Resistor R2____________270K 1/4W Resist
自行车回安全光栅电路-Bicycle back Safety LightFlashing 13 LED unit, 3V supplyAlso suitable for jogger/walkersParts: R1_____________10K 1/4W Resistor R2,R9,R10_____100K 1/4W Resistors R3-R8,R11-R
220V发光灯电路--220 Volts Flashing LampsEspecially designed for Christmas tree lampsReplaces old thermally-activated switchesParts: R1___________100K 1/4W Resistor R2,R5__________1K 1/4W Resistor
圆顶灯调光器电路--Dome Lamp DimmerThere are times when a little light inside the car would greatly assist one of the passengers but the dome light is too bright for safe driving. The dimmer circuit in
可调频闪灯电路--Adjustable Strobe LightThis one uses a much more powerful horse shoe Xenon tube which produces more light. You can also control the flash rate up to about 20Hz. Do not look
黑光发生器电路 Black Light This circuit is a simple ultraviolate light that can be powered by a 6 volt battery or power supply that is capable of supplying 1 or more amps. Theoritical DiagrammPARTSP
直流电动机可逆电路--DC Motor Reversing CircuitDescription: A DC motor reversing circuit using non latching push button switches. Relays control forward, stop and reverse action, and the motor cannot
直流电动机控制电路-DC Motor Control CircuitNotes: Here, S1 and S2 are normally open , push to close, press button switches. The diodes can be red or green and are there only to indicate direction
简单伺服测试仪电路--Simple Servo Testerclick here to download schematic in pdfThis is a simple servo tester which will comprehensively test the capabilities of almost any modern servo. It has two push
风扇控制器电路-Fan controlThis is a simple circuit that will do what you want I believe. R1 15k ohm resistor NTC Thermistor- 10k ohm, sold at Radio Shack in the states. P1 10k ohm potentiometer -
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