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 well-crafted speed game setup for two competitors was found in a 1998 Poptronics. The circuit...
September 2017 - Microchip is making available through Mouser Electronics the ARM Cortex® M +...
This power source with silicon diodes at a time when valves were still used was found in Radio...