Found in an old Popular Electronics this circuit can also be adapted to be used as a shield. In this version the control can trigger loads from the light that falls on an LDR.
The 8038 integrated circuit consists of a function generator with outputs of three waveforms. It...
New Series is Supported by START to Optimize Software Support and Includes Rich Features in 4 KB...
This two-transistor circuit was found in American documentation from the 1990s. The circuit can use...