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.
Found on a Radio Electronics, but also on other sources and placed elsewhere in this section, this low...
This shield can be used both to interface TTL circuits and microcontrollers. The resistor in...
We found this circuit in a 1978 documentation. The SCR conducts when the regulator's output...