This circuit was found in 1960s Radio Electronics. The circuit uses components from that time. The triac is according to the controlled load. The sensor is a common LDR.
This interesting op-amp signal generator circuit was found in a 1977 documentation. The circuit has...
May 2017 - In stock at Mouser Electronics DGD Dgate drivers from Diodes Incorptrated ara...
This circuit can be used as a shield for touch control. The circuit can use any common FET like...