⚠ Unsupported Browser —
Requires Google Chrome or Microsoft Edge 89+.
Firefox and Safari cannot access USB serial ports.
Web Installer — No Arduino IDE needed
Flash Ember OS in 60 seconds.
Pick your board, plug in your USB cable, and click install.
Every library, every feature — compiled into a single binary
and written directly to your chip. Nothing else required.
⚠️
If your board does not appear, hold BOOT while clicking Install.
Use a data USB cable — charge-only cables will not work.
03 —Connect and launch
STEP 01
Power on
Unplug and replug your board. Wait a few seconds for Ember OS to boot and broadcast its network.
STEP 02
Join WiFi
Connect to the Ember OS hotspot from your phone or laptop.
EmberOS12345678
STEP 03
Open browser
Navigate to the Ember OS address in any browser.
192.168.4.1
$1chip cost
60sto flash
3boards
freeforever
FAQ —Common questions
Which browsers work?
Google Chrome and Microsoft Edge version 89 or newer. Firefox and Safari cannot access USB serial ports. A desktop or laptop is required — mobile will not work.
My board is not showing in the port list.
Hold the BOOT button while clicking Install. If it still does not show, your cable may be charge-only — try a different cable. You may also need a USB driver: search CP210x or CH340 plus your OS name.