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_________