Migrate from https://cmakerhk.wordpress.com/2018/10/08/raspberry-pi-skills/
accessing with Serial >,<
Setting up wifi connection with CMD
Accessing GPIO
On SHELL/BASH
https://luketopia.net/2013/07/28/raspberry-pi-gpio-via-the-shell/
On C++
Wiring Pi
http://atceiling.blogspot.com/2014/02/raspberry-pi-wiringpi-gpio.html
On python
- GPIO Zero library ::gpiozero ::https://gpiozero.readthedocs.io/en/stable/
- RPi.GPIO::https://pypi.org/project/RPi.GPIO/
- WiringPi-Python-----Unofficial Python-Wrap
- RPIO
- pigpio
pinout: https://pinout.xyz/pinout/pin8_gpio14
It seems have a little messy on the pin arrangement on the Pi
root@raspberrypi:/sys/class/gpio# pinout ,--------------------------------. | oooooooooooooooooooo J8 +==== | 1ooooooooooooooooooo | USB | +==== | Pi Model 3B V1.2 | | +----+ +==== | |D| |SoC | | USB | |S| | | +==== | |I| +----+ | | |C| +====== | |S| | Net | pwr |HDMI| |I||A| +====== `-| |--------| |----|V|-------' Revision : a02082 SoC : BCM2837 RAM : 1024Mb Storage : MicroSD USB ports : 4 (excluding power) Ethernet ports : 1 Wi-fi : True Bluetooth : True Camera ports (CSI) : 1 Display ports (DSI): 1 J8: 3V3 (1) (2) 5V GPIO2 (3) (4) 5V GPIO3 (5) (6) GND GPIO4 (7) (8) GPIO14 GND (9) (10) GPIO15 GPIO17 (11) (12) GPIO18 GPIO27 (13) (14) GND GPIO22 (15) (16) GPIO23 3V3 (17) (18) GPIO24 GPIO10 (19) (20) GND GPIO9 (21) (22) GPIO25 GPIO11 (23) (24) GPIO8 GND (25) (26) GPIO7 GPIO0 (27) (28) GPIO1 GPIO5 (29) (30) GND GPIO6 (31) (32) GPIO12 GPIO13 (33) (34) GND GPIO19 (35) (36) GPIO16 GPIO26 (37) (38) GPIO20 GND (39) (40) GPIO21 For further information, please refer to https://pinout.xyz/
Comparision on the speed of the GPIO on different lang
http://codeandlife.com/2012/07/03/benchmarking-raspberry-pi-gpio-speed/