Telugu Experiments Flasher
Write firmware to ESP32, ESP8266 and Arduino boards straight from this page — no drivers, no IDE, nothing to install.
- Connects over USB with Web Serial
- Firmware never leaves your machine
- Built on esptool-js
Connect
No board connected
Choose
Pick firmware
Flash
Write to the board
Web Serial isn't available here
Use Chrome, Edge or Opera on desktop. Firefox, Safari and all mobile browsers do not implement the Web Serial API. The site must also be served over HTTPS (or localhost).
Connect a board to begin. Everything the flasher does is logged here.
Flash target
Nothing selected
CH340 and CP2102 adapters are shared by ESP32 and ESP8266 boards, so the chip cannot be read from USB — pick the one you have.
No board connected
Plug in over USB and press Connect
Device information
Firmware file
Flash your own build
Drag & drop firmware file here
or click to browse
Supports: .bin, .hex — nothing is uploaded anywhere