I have seen 3D printer plans for a drop in programming fixture that uses pogo pins to make contact with the circuit board pads. Here is one of those holders (link under the movie): https://www.youtube.com/watch?v=xEmYDLdiCnQ Maybe you could start a side business programming easy mega into Minis? :D...

Directly to the tiny four PCB pads (TX, RX, 3.3V and GND):
https://github.com/arendst/Tasmota/wiki/Sonoff-Mini
I was able to do this using my gas soldering iron and magnifier glass.

I finally gave up with the OTA update. I soldered the cables and uploaded the firmware using an external programmer (ESP_Easy_mega-20191208_normal_ESP8285_1M).

kimot wrote: ↑04 Jan 2020, 00:09 Instead of Tasmota bin file use appropriate ESPeasy bin file.

ok, but which one?
ESP_Easy_mega-20191208_minimal_core_242_ESP8285_1M_OTA.bin is too big:

Thanks for the reply.
My fault: it was cold joint on SDA connector . I noticed only when I used the magnifying glass. I corrected the soldering and now everything works perfectly.

No I2C devices found.

Hi, I'm on D1 mini with ESPeasy Build 20104 - Mega GIt Build: mega-20191208 Filename: ESP_Easy_mega-20191208_test_ESP8266_4M1M_VCC There is a SHT30 connected to my D1 mini: SHT30_2.PNG SHT30_1.PNG Unfortunately, I have never been able to get readings from it. I'm newbie to ESP and not sure if I conn...