Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [board-leds]

For questions pertaining to the onboard LEDs of the Raspberry Pi (PWR, ACT and ETH)

6
votes
4answers
6k views

How can I control the red LED again

I just acquired the latest Pi-3. In the Pi B+ and Pi 2 it was possible to access both the red and green LED through /sys/class/leds/led0 and /sys/class/leds/led1. After setting up the Pi 3, I have ...
4
votes
1answer
2k views

How to read the status of the Power-LED on Raspberry Pi 3 with Python

How to read the status of the Power-LED (or the rainbow square - if you like that better) on Raspberry Pi 3 to detect an low-voltage-condition in a python script? Since the wiring of the Power-LED has ...
1
vote
1answer
485 views

Green Led (ACT) is blinking for mmc0 without SD card activity

The green led (ACT) on my Raspberry Pi 3 is set to mmc0 to flash on SD card activity via echo mmc0 |sudo tee /sys/class/leds/led0/trigger However, it flashes much more often (randomly every few ...
0
votes
1answer
350 views

Blinking PWR when not enough current available?

I'm not sure whether I've seen mention of this here before or not. Anyway, I have a B+ with max_usb_current=1 enabled so I can run an external USB drive off it. There's never been a problem with ...
4
votes
3answers
122 views

Raspberry pi leds does not blink and the ic gets hot

I bought my raspberry pi 3 model B 4 months back. It was working perfectly but one day, when I was working on pi, all of a sudden, it stopped working. After that day, when I am trying to power it up ...