Found in Electronics Now from the 1980s, this amplifier can also be seen in commercial amplifiers of the time. The integrated used is uncommon nowadays. The power is 33 W.
Written in an article in Radio Electronics magazine in April 1987, this circuit triggers an alarm...
This is the receiver circuit for the previous transmitter. The circuit has a programming key to...
This is an example of a temperature sensor shield using the Texas Instruments TMP390 obtained from...