Raspberry

来自Jack's Lab
2017年10月1日 (日) 13:05Comcat (讨论 | 贡献)的版本

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目录

1 Pinout

1.1 Model A and B

Rasp-gpio-pins-1.jpg

Raspberry-1-gpio-led.png

Rasp-gpio-pins-2.png

Rasp-gpio-pins-3.png



1.2 Models A+, B+, PI 2 B, PI 3 B

Gpio-pins-pi2.jpg

Gpio-numbers-pi2.png

Physical-pin-numbers.png


Raspberry-pi-pinout.png



2 Serial

2.1 Enable

/boot/cmdline.txt
 "console=serial0,115200" 

/boot/config.txt
enable_uart=1


2.2 Disable

 Remove  "console=serial0,115200"  from /boot/cmdline.txt


If you want to use the uart as IO device, add "enable_uart=1" into /boot/config.txt


Or you can do it by run "sudo raspi-config" , enter "Advanced Options" and then enter "Serial" ....


2.3 Connections

  • RASP_TXD --- HEX_TX
  • RASP_RXD --- HEX_RX


3 GPIO Control



4 Timezone

$ cat /etc/timezone
Etc/UTC
$ sudo echo "Asia/Shanghai" > /etc/timezone

add following into /etc/profile:

TZ=Asia/Shanghai
export TZ
 $ sudo reboot




5 Static IP

add following into /etc/dhcpcd.conf:

interface eth0
static ip_address=192.168.1.45/24
static routers=192.168.1.1
static domain_name_servers=192.168.1.1




6 ESP8266/ESP8089





































































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