This 80's Hands On Electronics circuit automatically switches from high light to low light when an oncoming car illuminates the sensor. The circuit is powered by the car's own battery.
This flip-flop using two bipolar transistor was found in a publication of the year 1968. The...
This simple AM transmitter for very small ranges uses in the original version of the 1970s, a...
The CMOS TLC555 can be gated from external CMOS circuits using the configuration shown here. The...