Pin detective
Find out which pad is which. Flash the helper firmware, then touch a jumper wire from GND to any header pad and watch it light up here. Useful for clone boards with a wrong or missing silkscreen.
1. Flash the helper
This browser cannot flash. Use Chrome or Edge on a desktop.
Flashing needs a secure page. Open this site over https or from http://localhost.
One image per chip family: ESP32, ESP32-S3 and ESP32-C3. The installer detects which one is connected.
This replaces whatever firmware is on the board. Flash your own project again when you are done.
2. Connect and touch pads
Last touch
Nothing touched yet.