Firmware installer

Flash your Setpoint

Put the latest firmware on an ESP32-C3 straight from your browser — no Arduino IDE, no toolchain, no account. firmware v2.4.0

You'll need: desktop Chrome, Edge, or Opera · an ESP32-C3 board on a USB-C data cable (not charge-only).

Plug the board into a USB port on this computer (power switch ON).
Click Flash Setpoint and pick the board's serial port. If none appears, try another cable (many are charge-only) or hold BOOT while connecting.
When it finishes, follow the setup guide: join the Setpoint-XXXXXX Wi-Fi and point it at your dashboard.

This browser can't flash over USB. Open the page in Chrome, Edge, or Opera on a desktop — Web Serial isn't available in Safari, Firefox, or on mobile. You can also flash by hand with arduino-cli.

Serial access was blocked — reload and allow the port.

Already flashed at the factory? This page is here for updates and recovery — re-flash any time to the latest version. Installs open firmware onto hardware you own; nothing is uploaded anywhere. Prefer arduino-cli?