Andon Device
A light-up device that keeps the floor's pulse
An ESP32-based andon device; the operator taps one button and the status hits the software instantly.
STATION 4 00:00
Tap the buttons — the status changes.
Three buttons, three states
Running
Green button: station in production.
Pause
Yellow button: short stop (soft pause).
Stopped
Red button: fault/stop (hard stop).
Hardware features
OLED Screen
Status and a time counter show right on the device.
Offline Operation
Even if the internet drops, state is kept in NVS memory.
MAC-based Pairing
The device is securely assigned to a station from the panel.
Easy Setup
Enter WiFi credentials and the device connects automatically.