http://www.wch-ic.com/downloads/CH341SER_EXE.html
Install driver as mentioned above. Install Arduino IDE and install espressif resources by adding line "https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_dev_index.json" to Additional Boards Manager URLs in Arduino IDE Files / Preferences. Via Arduino IDE Tools/Board / Board Manager search for ESP32 and choose Espressif Systems version 2.0.3 to install it. Install ESP32 Digital RGB LED Drivers and Adafruit NeoPixel via option tools / Manage Libraries in Arduino IDE.
Hold down B button on board, press R button and release again but keep on pressing B, trigger Arduino IDE to upload sketch, keep B pressed until Arduino IDE says that it's connected. Then you can release B button.
Andy piper (for fivebyfive),
biglesp (Micro Weather Station),
Ciro Cattuto (for wordle-device),
Geek Mom Projects(Sites Using React ),
And many many others who haven't been mentioned....
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