Robotic Circuits

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Telephone Line Controller
Mono audio panoramic interference (pan pot)
Tone-control audio amplifier
stk415 090e 2x50 watt stereo
Single 10 Shunt Fed Hartley Oscillator for 80 meter CW
Comments on the Circuits of the first Transistor Radios
Motorola Micor S-meter Driver
Programming PIC 16F84A