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Results tagged with pi-4
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user 48486
For questions that apply specifically to the Raspberry Pi 4 and not other/all models.
1
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0
answers
66
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Rotary encoder working on Pi 3 but not on Pi 4
I'm trying to read an encoder switch using wiringPi (latest, 2.52). Whenever there is an edge on either of the encoding pins a or b, I store a snapshot of the state of both pins on two bits:
int val = …
- 179
1
vote
0
answers
3k
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Raspberry Pi 4B no video
I just bought two raspberry 4s (1Gb and 2Gb of RAM) and am unable to get the slightest video signal out of them. I tried every combination of the following components:
Raspbian buster lite/desktop
5 …
- 179
0
votes
0
answers
160
views
Poor std::atomic performance on Pi 4
I recently migrated a project of mine from Pi 3B+ to Pi 4B only to find that it now runs much slower than before. After investigation, it appears the culprit is the atomic library that I use heavily. …
- 179