The ports used in this ultrasonic remote-control transmitter are TTL, requiring a 5 V supply. The transducer is a piezoelectric type, not very common today.
This effect circuit for guitar and guitar was found in a 1974 documentation. The circuit has...
January 2017 - Mouser Electronics already has in stock the Epson TCXO TG2016 crystal oscillators for use...
This 3-transistor timer was found in the January 1994 issue of Electronics Now magazine. The...