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For the term "diy led driver oscillator 2n222 inductor".

Cement battery running a Hartley Oscillator Transmitter.ASF

This shows one of my cement batteries running a Hartley Oscillator AM transmitter. This oscillator circuit operates on extremely low power and can transmit a few feet. The circuit diagram shown here was posted…

Don Smith Device Project Part 26: Extra Inductor Added, Built-In Radiant Antenna?

made an observation while looking at Destine2012’s Dynatron design, a Russian-Smith variant which has been demonstrated as successful. and i noticed something very interesting….. and the same effect ocurs when the inductor is inside…

Pulse Motors: MileHigh OpAmp Comparator Driver Development #3

Success! The rotor and frame/axle assemby is pressed into improvised service to test the Pulse Motor Driver by MileHigh. It seems to like to go about 1300 RPM, which is decent, considering the sticks,…