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I had the same problem. Found out I had connected the wrong power supply (only good for 600mA) but it was reading 5.0009V. Connected the 2.5A Pi PS and it worked fine.


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I've been in the same situation, wanting to run Arch on my Pi with only the MacBook without Linux. Requirements: USB Stick + SD Card + Live Linux If you haven't got a USB SD card reader, you can write a Debian live image (or any favorite LIVE distro) to the USB stick, on macOS, using, for example, balenaEtcher or the dd utility from Terminal, then you can ...


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Everything looks OK. Perhaps try: (1) Set lower speed - spi.max_speed_hz = 100000. And if problem does not go away, (2) Send/recv less bytes, 1, 2, or 3 bytes or (3) Setup more SPI channels to compare and contrast (See Appendix A below.) The reason for setting SPI speed to as low as 100kHz is to reduce noise, ringing, spikes/glitches etc. ...


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