raspberry

Raspberry Pi 2 Model B Basic Configuration Part 1

断了今生、忘了曾经 提交于 2019-11-26 16:27:20
The Raspberry Pi is a credit-card sized general purpose Linux computer designed and manufactured by the Raspberry Pi Foundation, a non-profit organization dedicated to making computers and programming instruction as accessible as possible to the widest number of people. Just recently I installed at home to play with it. There are already lots of resources available from Internet. This post and others are used to record all steps I did for making it useful to my daily work. Raspberry Pi 2 Model B Basic Configuration 1 Raspberry Pi 2 Model B Basic Configuration 2 1. Install Raspberry Pi Software

基于树莓派(Raspberry Pi)平台的MQ-2烟雾报警系统实现(一)

此生再无相见时 提交于 2019-11-26 02:11:10
一、前期准备 达成目标:   利用Rapberry Pi 驱动MQ-2烟雾报警模块,对信息进行采集和提取。 1. 准备树莓派(Raspberry Pi)一个 2. MQ-2有害气体检测模块 3. 杜邦线若干 4. SD卡一张以及一个读卡器 二、各个器件介绍 1.树莓派(Raspberry Pi)   Raspberry Pi是一个英国小型组织慈善组织The Raspberry Pi Foundation发行的一款针对电脑业余爱好者,学生,以及小型企业等用户的迷你电脑,预装的是Linux操作系统,体积非常小巧,在最新款的Raspberry Pi 3 Model B,搭载了高通的ARMv8的高性能CUP,并且包含1GB RAM,引脚数上升到40个。 较上一代的优点: 1.首先处理器是新一代四核心Broadcom BCM2837 64位ARMv8 处理器,并且处理器速度最高可达1.2GHz,必要时还可以超频。</font> 2.第二是新添加了板载BCM43143 WiFi芯片,无需WiFi网络适配器。 Raspberry Pi官网:https://www.raspberrypi.org/ 2.MQ-2有害气体检测模块   这是一款广泛应用于家庭和工厂的气体泄漏检测装置,适用于液化气、甲烷、丙烷、丁烷、酒精、氢气、烟雾等有害气体的检测。 有四个引脚: VCC:输入5V正极电流 GND