12Vdc的荧光灯驱动电路-12VDC Fluorescent Lamp DriverA number of people have been unable to find the transformer needed for the Black Light project, so I looked around to see if I could find a fluoresce
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
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