Very good material but for documentation ....

Very good material but for documentation ....

5V RELAY MODULE 2 CHANNEL Arduino PIC ARM DSP April (Miscellaneous)
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Customer Review

This module manufactured with care gives an impression of seriousness in the design. By cons documentation 0! I contacted the site that provided me a link and I recovered files named in Chinese characters! I just managed to get by. Simple to use well thought out, and really cheap. Micro LED which light up when switching relays, I'm really happy with this purchase.

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