OLED 0.96"

Install the 0.96" firmware – ESP32-C3 Super Mini

Connect the device via USB. Use Chrome or Edge. Page served https:// or http://localhost.

If the button is greyed out: make sure you are using a supported browser, the page is served over HTTPS or localhost, the USB cable is not charge-only, and the ESP32-C3 appears as a serial device.

Official project page: MakerWorld – Compagnon 309

Aliexpress links

Affiliate links — support the project at no extra cost.

OLED 1.3"

Install the 1.3" firmware – ESP32-C3 Super Mini

Connect the device via USB. Use Chrome or Edge. Page served https:// or http://localhost.

If the button is greyed out: make sure you are using a supported browser, the page is served over HTTPS or localhost, the USB cable is not charge-only, and the ESP32-C3 appears as a serial device.

Official project page: MakerWorld – Compagnon 309

Aliexpress links

Affiliate links — support the project at no extra cost.

Connexion

Updates

12/01/25 - Version 1.3" coming soon