- Sun Nov 27, 2016 3:18 am
#58735
While doing some testing I removed the already programmed ESP-12 module from WeMos D1 board and decided to try it under UNO board. The 8266 has been previously programmed with WiFiScan sketch and it was working without any problems. So I connected the ESP-12 to UNO via 5V-to-3.3V level shifters including a separate 3.3V power supply.
So far so good and the Serial Monitor was happy to report the surrounding WiFi environment as expected.
Now, I wanted to upload the very same sketch again but this time from inside UNO board.... but it did NOT work. I tried GPIO0 to GND - no difference.
What am I missing and why it does not allow me program the ESP-12 straight from arduino UNO?
So far so good and the Serial Monitor was happy to report the surrounding WiFi environment as expected.
Now, I wanted to upload the very same sketch again but this time from inside UNO board.... but it did NOT work. I tried GPIO0 to GND - no difference.
What am I missing and why it does not allow me program the ESP-12 straight from arduino UNO?
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