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pilight nano usb over Wifi for routers without USB port
Actually yes, because the nano does have an integrated UART (ch340 or ftdi etc...).
The esp8266 will be connected directly to the Tx/Rx lines. Moreover, ESP8266 has 3.3V and the 433MHz Module uses 5 Volts. This is the reason I used a 5V Arduino and "blocked" the 5 Volts using a !N4148 diode on Rx/Tx.

Now if you connect Rx/Tx to the nano I have seen weird effects due to the connected UART - in fact the ESP8266 might not be able to drive enough current "against" the UART - I am sure that electronically there might be a way around this but using a mini (which is the same thing, just no UART) is the easy way round...

Alternatively, just using an Atmel 328 Chip with minimal wiring might be an option as well...

Messages In This Thread
RE: pilight nano usb over Wifi for routers without USB port - by frenchie71 - 01-05-2017, 12:42 PM
- - by MyCreditDom - 01-04-2022, 01:02 PM

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