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Relay control by PC, using RS232 converter CP2102

By dejko1 Posted on June 27, 2014 Posted in Electronics, Programming 5 Comments Tagged with automation, cnc, cp2102, relay, rs232

It is pretty easy to control a single relay using a PC by USB. I used a USB to RS232 (TTL) converter using CP2102 chip which has a DTR line output available and a board with relay. The relay board …

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