Fix pyserial not found errors in ESP32 Arduino core 2.0.4 – 2.0.5 Posted on 15/10/2022 by cellie python3 -m pip install pyserial Ook op wasietsmet.nl: Debug SNTP on ESP32. Set Arduino IDE indent to 4 spaces. Setup Eclipse for ESP-IDF. Fix ‘A fatal error occurred: MD5 of file …’ error on M5 Stack Fire. Drop in replacement for ESPASyncWebServer