iM

iM

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BIKE FLASHER - Amazing! This bike flasher uses a single transistor to flash two white LEDs from a single cell. And it has no core for the transformer - just AIR! By Collin Mitchell - 30 LED Project.

This bike flasher uses a single transistor to flash two white LEDs from a single cell. And it has no core for the transformer - just AIR! By Collin Mitchell - 30 LED Project.

230Volt LED Circuit

230Volt LED Circuit

230Volt LED Circuit

230Volt LED Circuit

Fuente de 12 VDC sin transformador. Este circuito permite obtener 12 VDC, con una entrada de voltaje en AC, sin necesidad de un transformador reductor

Fuente de 12 VDC sin transformador. Este circuito permite obtener 12 VDC, con una entrada de voltaje en AC, sin necesidad de un transformador reductor

The Largest Gold Nugget Ever Found in Alaska | Geology IN

The largest gold nugget ever found in Alaska. It weighs a whopping troy Kilograms), and was found near the town of Ruby, Alaska. via Amazing Geologist FB

Picture of The Circuit

Picture of The Circuit

the electronic dog repeller circuit produces a discomforting but not harmful

The electronic dog repeller circuit produces a discomforting but not harmful, high frequency sound, audible to dogs but not to humans. Help stop the approa

Cómo construir un divisor de frecuencias (crossover) - Taringa!

Cómo construir un divisor de frecuencias (crossover) - Taringa!