The QT Py ESP32-S2 tester lives! A coming soon preview :)
OK so to get the QT Py manufactured we need a tester. In this case we're not going with a teensy or arduino because the fastest way to program an esp32-s2 (we've found) is with the compressing stub loader that esptool.py uses. also, we're going to be doing a wifi signal test where we scan on the Raspi for the ESP's access point - this is a simple but effective way to make sure the antenna is on right. the tester python code runs on the pi, with a pitft for colorful text output and buttons to start test. another great example of using your own tools to make tools that are used to make other…
The skinny
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