The original application of this 1967 Ferranti circuit can be changed so that it functions as a pass sensor shield for gears and other moving objects.
We found this oscillator in an old documentation. The crystal frequency can be different to get...
We found this circuit in a 1979 Poptronics. The coil is formed by 5 turns of wire 28 in an...
Atmel's ATmega 324PB microcontrollers available from Mouser Electronics are RISC-based...