Found in a 1960s RCA documentation, this circuit applies to most common triacs. The trigger device is a neon lamp and the sensor is an LDR. R is typically 100k and C is 220 nF.
This double-T sine wave oscillator was found in the December 1995 issue of Electronics Now...
This circuit can function as an output shield for microcontrollers, being compatible with TTL...
This circuit uses the well-known 8038 to generate 3 waveform signals. Frequency bands are selected by...