Questions tagged [activity-led]

The green activity LED blinks on both read and write activity on the SD card. On newer models it is connected to a GPIO expander , which is connected via I²C to the SoC.

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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 ...
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RPi 4B ACT solid green

I am new to raspberry pi and I recently decided to get RPi 4B. Anyways, I was doing a small project and when I finished, I pulled the jumper wires from the breadboard and the wire connected the GND ...
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Raspberry Pi 3 Model A+ Faint green pinprick light steady flashing

I just loaded an SD Card with Raspbian lite for the Pi3 Model A+. It does the normal rainbow screen splash, followed by the 4 raspberries and a blinking cursor underneath. The pi never completes its ...