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Gpio

Reference

• Links

  https://pinout.xyz/
  https://workboot.fr/ciela/libgpiod/
  https://libgpiod.readthedocs.io/en/stable/core_api.html
  https://forums.raspberrypi.com/viewtopic.php?t=360259

Driver

• Display_Lib_RPI

  https://github.com/gavinlyonsrepo/Display_Lib_RPI

• SH1106

  https://github.com/bitbank2/ss_oled

• Digilent/linux-userspace-examples

  https://github.com/Digilent/linux-userspace-examples/tree/ma

Other

• 8x8 font

  https://github.com/micropython/micropython/blob/master/extmo

• Examples

  https://www.blaess.fr/christophe/2018/10/15/pilotage-de-gpio
  https://marcjuneau.ca/?p=463

• Pwm

  https://forums.raspberrypi.com/viewtopic.php?t=291003
  https://raspberrypi.stackexchange.com/questions/143643
  https://www.pi4j.com/documentation/io-types/pwm/
  https://raspberrypi.stackexchange.com/questions/132780/
  https://github.com/raspberrypi/linux/issues/6818

• i2c

  https://hackerbikepacker.com/i2c-on-linux
  https://www.linkedin.com/pulse/interfacing-i2c-devices-from-
  https://www.kernel.org/doc/Documentation/i2c/dev-interface

• Voltage Dividers

  https://learn.sparkfun.com/tutorials/voltage-dividers/all

• Audio output

  https://www.instructables.com/One-Transistor-Audio-for-Pi-Ze
  https://learn.adafruit.com/adding-basic-audio-ouput-to-raspb

• A Quick Guide on Logic Level Shifting : 5 Steps (with Pictures) - Instructables

  https://www.instructables.com/A-Quick-Guide-on-Logic-Level-S

• Struggling with 2N3906 - Page 1

  https://www.eevblog.com/forum/beginners/struggling-with-2n39

• High Side Switching - Other Hardware / General Electronics - Arduino Forum

  https://forum.arduino.cc/t/high-side-switching/539347/10

• Magic Smoke: Stripboard I2C Logic Level Converter

  https://smokedprojects.blogspot.com/2013/08/stripboard-i2c-l

• Breadboard-friendly i2c logic level converter – Charrette & Beget

  https://www.maxpierson.me/2014/06/01/breadboard-friendly-log

• Lcd 1602 issue - Raspberry Pi Forums

  https://forums.raspberrypi.com/viewtopic.php?p=2322058&hilit