About 28,900 results
Open links in new tab
  1. Raspberry PI 3B Corrupted HDMI output

    Jan 26, 2025 · I am having lots of issues in getting my Raspberry PI 3B to output a proper HDMI signal. What I have tried so far: a recent working 4k TV with a working HDMI cable (no output, …

  2. How to sync system clock? - Raspberry Pi Stack Exchange

    Apr 14, 2022 · If your RPi (any version) is running RaspiOS and is connected to the public internet then there's a process built-in to periodically sync the clock to an internet time server. There's …

  3. It is possible to set I2C bus speed programmatically without the ...

    Feb 18, 2024 · Setting the I2C baudrate in /boot/config.txt (e.g. dtparam=i2c_arm=on,i2c_arm_baudrate=400000) isn't an alternative as any program that …

  4. gpio - adafruit_platformdetect board.py pin mapping - Raspberry …

    Apr 15, 2024 · Simply: I'm trying to find what physical pin on the Raspberry PI 4B that attributes like board.D5 map to. QUESTIONS: Can I simply get or create a mapping of the board.py pin …

  5. SPI Clock Phase on CM4 spidev1.0 - Raspberry Pi Stack Exchange

    Mar 16, 2023 · The program errors when adding the flag to set the clock phase: ./spidev_test -D /dev/spidev1.0 --cpha can't set spi mode: Invalid argument Aborted ./spidev_test -D …

  6. SOLVED Incorrect baud rate on RPI 3 serial port

    Aug 21, 2024 · Look in /boot/overlays/README for an option to fix the core clock frequency. The serial clock ,ay be derived from this clock and will vary as the core clock varies.

  7. IOError: [Errno 5] Input/output error - Raspberry Pi Stack Exchange

    Jul 12, 2016 · This is a common problem with the Raspberry Pi I2C interface. It is caused by the I2C driver in Raspbian not implementing Clock Stretching, even though the hardware is …

  8. Errors compiling C program with time.h library

    Mar 17, 2019 · main.c: error: ‘CLOCK_REALTIME’ undeclared (first use in this function) clock_gettime (CLOCK_REALTIME, &now); I verified that the struct timespec, the method …

  9. Input on GPIO at very Fast Speed - Raspberry Pi Stack Exchange

    Apr 22, 2019 · Every 1 uS clock one bit data input to a D type flip flop and feed its output to a serial to 8 bit parallel register. Every 8 uS clock the parallel register contents into a flash memory.

  10. TCA9548A I2C mux locking up after multiple reads

    Dec 13, 2020 · I have tried reducing the I2C bus clock speed, but the behaviour is exactly the same. I did try limiting the range of addresses scanned by doing i2cdetect -y 3 0x29 0x2A …