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| Raspberry Pi PSU Test | |
|---|---|
| Type | |
| Device(s) | Raspberry Pi |
| Difficulty | ◉◌◌◌ Easy |
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.