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/i/40902/products/2018-01-07T20%3A40%3A06.601Z-EZsbc_ESP32_Pinout.jpg "Espruino original <> ESP32 serial communication | Espruino")
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![SOLVED] Can't program ESP32 over UART on own PCB - ESP32 Forum](https://c1.staticflickr.com/5/4721/40106876871_3c72b065f2_b.jpg "SOLVED] Can't program ESP32 over UART on own PCB - ESP32 Forum")
SOLVED] Can't program ESP32 over UART on own PCB - ESP32 Forum
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python - Micropython ESP32 S3 UART pins - Stack Overflow
