Flash Neo Genesis to your ESP32

THONG PRADIT BREWING × CAT LAB BREWING BREWED WITH AI

NEO GENESIS

West Coast IPA

ON TAP

6.66%ABV 66IBU

Citra · Simcoe · Mosaic

23 kegs · 530 L · Chiang Mai

TENDING THE FLAME [7]

This is what lands on the screen — a faithful preview of the firmware.

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Voice (poster + Wi-Fi + speaker) · 📶 Wi-Fi Everything below, plus an I2S speaker: the board plays TTS pushed over MQTT — Neo Genesis speaks. Plug a 4–8Ω speaker into P6. Poster + Wi-Fi + clock · 📶 Wi-Fi The ON-TAP poster, a Wi-Fi icon and a live clock. Configure Wi-Fi from the browser after flashing. ON-TAP poster (offline) Static display, no networking. Just the poster, flashed offline.

This browser can't talk to USB serial. Open in Chrome or Edge on desktop. WebSerial needs a secure (https) page and permission — allow the serial prompt to continue.

After flashing, the installer will ask for your Wi-Fi network.

1Plug the JC3248W535 into your computer with a USB-C data cable.
2Use Chrome or Edge on desktop — WebSerial isn't in Safari or Firefox.
3Hit Flash, pick the serial port, and let it write. It auto-resets when done.

Prefer the command line? It's uvx esphome run jc3248w535-offline.yaml --device /dev/cu.usbmodem1101. The board is an ESP32-S3 with native USB, so it enters the bootloader on its own — no DFU, no proxy.

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