亮度控制小灯电路--Brightness Control for small LampsSwitching operated 1.5V bulbs Portable unit, 3V battery supply Parts: P1________________470K Linear PotentiometerR1_________________10K 1/4W R
衰落发光二极管电路--Fading LEDsTwo strips of LEDs fading in a complementary manner9V Battery-operated portable unit Parts: R1,R2_______________4K7 1/4W Resistors R3_________________22K 1/4W Resi
温控风扇电路--Temperature-controlled FanGradually increases speed as temperature increases Widely adjustable temperature range Parts: P1_____________22K Linear Potentiometer (See Notes)R1_________
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
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