ASCII Aquarium Flasher

Flash the ASCII fish tank directly from the browser.

Standard CYD

For the common ESP32-2432S028R Cheap Yellow Display. Installs v2.20.

Use Chrome, Edge, or Firefox 151 or newer on a desktop computer. This page needs HTTPS to flash your board.

For the CYD2USB board variant. Use this only if your board matches that port. Installs v2.20.

Use Chrome, Edge, or Firefox 151 or newer on a desktop computer. This page needs HTTPS to flash your board.

For the jc3248w535 ESP32-S3 board. Installs v2.30_JC.

Use Chrome, Edge, or Firefox 151 or newer on a desktop computer. This page needs HTTPS to flash your board.

Plug in your board with a data USB cable, close Arduino IDE Serial Monitor if it is open, then choose the button that matches your exact board.