- ORANGE: Busy
programming
- ORANGE/RED blinking: Upgrade
mode
- RED: No board detected
- GREEN: READY
- ORANGE blinking: Wrong
combination of routing and socket card
- RED blinking: VTarget or
AREF short-circuited
- RED blinking high frequency:
Too much current drawn from the power supply. If powered from USB, try to connect an
external supply to the DC jack.
During programming, the LED has an orange color. When the target
AVR device is successfully programmed, the LED will turn green.