we see our QT Py ESP32 pcbs have shipped, so it’s time to wrap up this design with a tester. like the esp32-s2 qt py, we’re using a raspberry pi to test because its a convenient way to run esptool for uploading data and wpa cli scan, to verify the signal strength: we program the test board with access point code, then check the rssi on the pi side. if we get a good signal we can be confident the antenna and passives got selected right. this test seems to be running well, and we’ll be manufacturing SOON! – video.
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