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gpio [2018/03/21 10:02]
rzr [MORE]
gpio [2018/07/09 00:52] (current)
rzr [input]
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 +===== RPI =====
 +
 +  * https://www.raspberrypi.org/documentation/hardware/raspberrypi/gpio/README.md
 +  * https://raspberrypi.stackexchange.com/questions/9298/what-is-the-maximum-current-the-gpio-pins-can-output# 50 mA.
 +  * https://elinux.org/RPi_Low-level_peripherals#Internal_Pull-Ups_.26_Pull-Downs
 +  * http://www.raspberrypi.org/documentation/usage/gpio/
   * http://makezine.com/projects/tutorial-raspberry-pi-gpio-pins-and-python/# RpI   * http://makezine.com/projects/tutorial-raspberry-pi-gpio-pins-and-python/# RpI
 +  * https://electronics.stackexchange.com/questions/7423/what-is-a-pull-up-and-pull-down#
 +  * http://razzpisampler.oreilly.com/ch07.html# PullUp are connected to Ground
 +
 +{{https://i1.wp.com/cdn.makezine.com/uploads/2014/02/rpi-circuit.png?resize=620%2C397}}
 +
 +
 +==== input ====
 +
 +  * https://www.raspberrypi.org/forums/viewtopic.php?t=46525#
 +  * 50kΩ pull up/down resistors 
 +
 +
 +  * The pins can only source or sink 16mA so limiting the current to that level (with at least 220 ohms) makes sense.
 +===== MISC ====
 +
   * http://www.sonelec-musique.com/electronique_theorie_led.html   * http://www.sonelec-musique.com/electronique_theorie_led.html
   * http://visualgdb.com/tutorials/raspberry/LED/   * http://visualgdb.com/tutorials/raspberry/LED/
-  * http://www.raspberrypi.org/documentation/usage/gpio/ 
   * https://vimeo.com/153263103#connected-tizen-20160131rzr#   * https://vimeo.com/153263103#connected-tizen-20160131rzr#
   * https://github.com/mozilla-iot/wiki/wiki/Configuring-GPIO-for-use-with-the-gpio-adapter# IoT   * https://github.com/mozilla-iot/wiki/wiki/Configuring-GPIO-for-use-with-the-gpio-adapter# IoT
- 
  
 ===== MORE ===== ===== MORE =====
  
-@TaG: RemoteControl InfraRed+@TaG: RemoteControl InfraRed [[Io]]
  
gpio.1521622949.txt.gz · Last modified: 2018/03/21 10:02 by rzr
 
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