This board is used to use a pulse coin acceptor to control the on-time of a device—in my case, an air conditioner. It controls a display with the countdown timer and stores the total amount collected.
Merry Christmas from Elektor! As the year comes to a close, the Elektor Team extends its warmest wishes to everyone in the electronics community. Whether you're a seasoned electronics pro, a dedicated ...
Schaub-Lorenz Stereo 6000 revisits a 1969 Elektuur DIY tape-recorder build, showing how serious homebrew audio engineering once was.
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