I started out by assuming the 5 Volts was the problem. Then I switched to 5V and I saw data again, but the firmware crashed very quickly. Unfortunately, the waveform shows a lot of noise. ![]() This is great news, the data is getting through the level shifter. I hooked up my Oscilloscope to pin 4 and immediately saw data on the line. I soldered a 2 pin header into pins 1 and 2 of the programming connector. I hope it gets enough interest that Espressif considers my request. At the time that I write this post, there have been 26 views of the request. I posted on Espressif’s forum under bugs for a feature request. ![]() I hope your holidays are filled with friends and of course blinky things.
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