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Disconnect UART during programming ESP

PostPosted: Thu Jun 14, 2018 2:00 am
by Emel
Hi all,

I’m working on an energy monitoring circuit. To do so I use a MCP39F511N with an ESP8266 (ESP12F to be specific). Communications between the two is done over UART (RX, TX). From what if read, I need to disconnect these lines during programming of the ESP. Is this correct? If so, can I use a circuit similar to the auto-reset/program circuit of the NODEMCU to disconnect the RX/TX to the MCP automatically?

Maarten