Raspberry Pi PSU Test

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Raspberry Pi PSU Test
Type Method
Device(s) Raspberry Pi
Difficulty ◉◌◌◌ Easy

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To test if a Raspberry Pi is receiving enough power, the stress package can be installed:

sudo apt update && sudo apt install stress

Let the following command run for a minute, then quit it with ctrl+C:

watch timeout 1s stress -m 4 --vm-bytes 50

Finally, check if the Pi has received enough power:

vcgencmd get_throttled

If the above command returns anything other than throttled=0x0, the Pi is not receiving enough power. This can be caused by a weak power supply, a bad cable (too long, to thin...), or a faulty Pi.