This robot vision circuit was published in the December 1986 issue of Radio Electronics magazine. The circuit uses 9 LDRs as sensors forming a sensor array. The circuit must be powered with 5 V.
This circuit is used to obtain the synchronized activation of a mechanical battery clock. The...
ON Semiconductor Phototransistor Output Optocouplers Available from Mouser Electronics is the...
Found in an Electronic Design from the 80's, this circuit monitors a three-phase line, activating a...