This is the circuit of a robot published in the June 1992 issue of Radio Electronics magazine. The sensors are used to drive 2 motors with reduction gears. The power is provided by batteries.
From an old manual of unijunction transistors, this oscillator generates different tones when the...
A negative floating regulator capable of supplying an output voltage of -100 V with regulation of 20 mV for...
Found in a Hands On Electronics of the 80s, this circuit makes use of a gas sensor of the time....