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V4.0 Schematic Drawing. ... In order to use the ESP-01 Wi-Fi relay module, ... Also it is pretty easy to make your own programmer, or you can program the ESP-01 module with the help of the Arduino IDE ...
Zero - Arduino Try Out. From the circuit diagram of the module, it is clear that, apart from the module only a few external components are needed to build a relay-driver circuit. Yes, there is a ...
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