The circuit shown, with the printed circuit board, was found in an article in the June 1990 issue of Radio Electronics magazine. Integrated circuits must be equipped with heat sinks.
Several types of OSEPP sensor modules can be obtained from Mouser Electronics for Arduino...
With several integrated circuit options, this amplifier can provide different powers depending on the...
Found in na 1980’s English magazine, this circuit produces a strong modulated tone reproduced on a...