AtomVM Firmware
AtomVM firmware images for the ESP32 family of devices.
Main Branch Builds a7f09d5 · 13 Feb 2026
These builds may be unstableESP32
Use Google Chrome or Microsoft Edge instead
ESP32-P4 Variants
Experimental ESP32-P4 builds for specific hardware variants. Pre is for the pre-production boards.
Release-0.6 Branch Builds 6c08407 · 27 Jan 2026
These builds may be unstableESP32
Use Google Chrome or Microsoft Edge instead
ESP32-P4 Variants
Experimental ESP32-P4 builds for specific hardware variants. Pre is for the pre-production boards.
All Releases
v0.6.6 23 Jun 2025
ESP32
Web Flasher is not available because your browser does not support Web Serial.
Use Google Chrome or Microsoft Edge instead.
Alternatively Download and Flash the firmware manually:
Download v0.6.6 release
Docs: Flashing a binary
Rpi Pico
v0.6.5 15 Oct 2024
ESP32
Web Flasher is not available because your browser does not support Web Serial.
Use Google Chrome or Microsoft Edge instead.
Alternatively Download and Flash the firmware manually:
Download v0.6.5 release
Docs: Flashing a binary
Rpi Pico
Flash Raspberry Pi Pico
1. Enter (UF2) DFU Mode
Press and hold the BOOTSEL button on your Pico while plugging in the USB cable.
2. Ensure DFU Drive Is Mounted
Your computer should detect a new drive (e.g. RPI-RP2). The name may vary depending on your board hardware and bootloader.
3. Download & Copy UF2 to the Drive
Click the button below to download the UF2 file, then copy it to the DFU drive. The device will reboot automatically once the transfer completes and start running AtomVM.