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严以律己·宽以待人·自强不息·知行合一

Arduino 与 ENC28J60 端口连接

| Arduino 与 ENC28J60 端口连接已关闭评论

Arduino UNO

VCC -   3.3V
GND -    GND
SCK - Pin 13
SO  - Pin 12
SI  - Pin 11
CS  - Pin 10

Arduino MEGA

VCC -   3.3V
GND -    GND
SCK - Pin 52
SO  - Pin 50
SI  - Pin 51
CS  - Pin 53

OS X EI Capitan 安装 CH341 串口驱动

| OS X EI Capitan 安装 CH341 串口驱动已关闭评论

之前使用 Yosemite 的时候,使用 CH341 的串口驱动是需要打开 kext 的调试模式的,有点麻烦但更令人感到些许不安:

sudo nvram boot-args="kext-dev-mode=1"

这次升级 EI Capitan 后,把 kext-dev-mode 给关闭掉了,没想到 CH341 的串口驱动也可以直接使用,看来已经认证过了。

$ nvram -p
......
boot-args	kext-dev-mode=0
......

驱动下载地址:http://www.wch.cn/download/CH341SER_MAC_ZIP.html

homebrew 安装最新版 composer

| homebrew 安装最新版 composer已关闭评论

使用 brew 安装稳定版的 composer 版本是 1.2.0 的,可是一运行 composer 就提示:

PHP Fatal error:  Uncaught PharException: phar "/Users/wwx/Developer/Cellar/composer/1.2.0/libexec/composer.phar" SHA1 signature could not be verified: broken signature in /Users/wwx/Developer/Cellar/composer/1.2.0/libexec/composer.phar:23
Stack trace:
#0 /Users/wwx/Developer/Cellar/composer/1.2.0/libexec/composer.phar(23): Phar::mapPhar('composer.phar')
#1 {main}
  thrown in /Users/wwx/Developer/Cellar/composer/1.2.0/libexec/composer.phar on line 23

Fatal error: Uncaught PharException: phar "/Users/wwx/Developer/Cellar/composer/1.2.0/libexec/composer.phar" SHA1 signature could not be verified: broken signature in /Users/wwx/Developer/Cellar/composer/1.2.0/libexec/composer.phar on line 23

PharException: phar "/Users/wwx/Developer/Cellar/composer/1.2.0/libexec/composer.phar" SHA1 signature could not be verified: broken signature in /Users/wwx/Developer/Cellar/composer/1.2.0/libexec/composer.phar on line 23

Call Stack:
    0.0063     359032   1. {main}() /Users/wwx/Developer/Cellar/composer/1.2.0/libexec/composer.phar:0
    0.0064     359032   2. Phar::mapPhar() /Users/wwx/Developer/Cellar/composer/1.2.0/libexec/composer.phar:23

就想直接安装 master 版看看,搜了一下 homebrew 还真有真有这个参数,安装后 composer 就又可以正常运行了。

brew install composer --HEAD