Use Raspberry Pi to send push notifications to smartphones
This project explains how to send push notifications from Raspberry Pi to iOS and Android devices. You only need to use a free push app. The main idea here is to use an electromagnetic sensor door to trigger information push events. When the electromagnetic doo
Enable Raspberry Pi camera without Raspi-config
ask:
HiI have installed the latest Ubuntu Mate on my Raspberry Pi2. I wanted to use the Raspberry Pi camera in this operating system. Although I installed the ' Picamera ' driver in it, the system can not be create the camera
to indicate success. Posted in Raspberry Pi | Post Recovery Raspberry Pi 2/b+ Portable Suite Upgrade Tutorial: Using keystrokes to simulate keyboard/mouse/joystick use posted on December 9, 2015
Many players do not know how to use the button after the portable package, or do not know
Raspberry Pi builds and installs mysql, raspberry builds mysql
Recently, I started a Raspberry Pi with a whimsical attempt to build a small household server, which has been around for 7x24 hours at home.
It is really very small, only a big slap, bought some accessories for
"Original link": http://www.cnblogs.com/atsats/p/6666848.htmlGeneral Robotframework are installed on the PC of Windows/linux, here will be a brief introduction on the Raspberry Pi hardware platform configuration robotframework development and operating environment.With the automated test software configured on the Raspberry P
the selection of external USB devices. One major improvement of Raspberry Pi 2 is that it supports up to 1.2A USB power output when using 2A power input. However, even so, multiple USB mobile hard disks cannot work simultaneously.
Therefore, a more reasonable solution for simple NAS is to select a USB hub with independent power supply and connect the mobile hard disk to the hub first. But if you plan to al
The Linux used by the Raspberry Pi is the Debian system, so the Raspberry Pi enable root and Debian are the same.The root account in Debian does not have a default password, but the account is locked.When root privileges are required, the default account is executed via sudo, and the Raspbian in the
Raspberry Pi Raspberry the GpioRaspberry PI versions hardware schematic diagram: https://www.raspberrypi.org/documentation/hardware/raspberrypi/README.md configuration
Two x 5v,3.3v output ports
IO input/output voltage 0-3.3v
Output PWM Support
Two-way SPI bus
Two-way IIC bus
Serial
1. Change the password of pi account[Plain]View PlainCopyprint?
Password pi
2. Open the root accountThe Linux used by the Raspberry Pi is the Debian system, so the Raspberry Pi enable root and Debian are the same.Th
Compared to the Raspberry Pi 1 it has:
A 900MHz quad-core ARM cortex-a7 CPU
1GB RAM
Like the (Pi 1) Model B +, it also has:
4 USB Ports
GPIO Pins
Full HDMI port
Ethernet Port
Combined 3.5mm audio jack and composite video
Camera Interface (CSI)
Display Interface (DSI)
Micro SD Card Slot
Videocore IV 3D Graphics core
Becau
sleep 0.5 play 62 sleep 0.5 play 64 sleep 0.5 play 60 sleep 0.5end
You can enter frere to call this method later. For example, call in a loop:
4.times do frereend
6. Synths (synthesizer)
The synthesizer enables the play method to make different sound effects. The default synthesizer is "pretty_bell", but you can change it by yourself:
"pretty_bell""dull_bell""beep""saw_beep""fm"
Try different synthesizer:
with_synth "fm"2.times do play 60 sleep 0.5 play 62 sleep 0.5end
7. threads
This article is based on the purchase of a East USB wireless network card (Rtl8188cus chip) to make wireless hotspot. Originally wanted to make a one-click script. Just record the implementation process first.
ReferencesTurn Your Raspberry Pi into a WiFi Hotspot with Edimax Nano USB Ew-7811un (Rtl8188cus chipset)Why won ' t DNSMASQ's DHCP server work when using HOSTAPD?
1, update the system, i
Raspberry Pi Command line:sudo apt-get install TightvncserverAfter installation, be sure to set up a VNC password with this command first:vncpasswd(Enter the operation password two times, then ask whether to set a view (view-only) password, as you like, generally not necessary. )set boot up:You need to create a file in/etc/init.d/. For example Tightvncserver (note: The name of the startup script, which has
What's this?"Roomblock" is a robot platform consists of a Roomba, a Raspberry Pi 2, a laser sensor (RPLIDAR) and a mobile battery.The mounting frame can be made by 3D printers. ROS navigation system enable to make a maps of rooms and use it to reach to the goal autonomously.Who need this?Anyone want to learn the cutting-edge technologies of robotic navigation, mapping, and autonomous driving. This robot can
This morning, I took an hour out of my busy schedule to experience a banana pie that was sent a few days ago. The overall experience is quite good. First brush the SD card, I use the system is Raspberry Pi raspbian into the bananapi system, making the SD card See http://www.lemaker.org/resources/9-81/raspbian_for_bananapi.html. It also officially supports lubuntu, archlinux, opensuse, Android, and other s
Raspi-config is a Raspberry Pi configuration tool designed and maintained by Alex Bradbury for Raspbian Systems.1. Usage (usage)When you start Raspbian for the first time, there will be rasp-config hints. To open this configuration tool, simply enter the following command on the terminal:sudo raspi-configsudo administrator permissions are required because the files you want to modify are not owned by the
Raspberry Pi (Raspberrypi) common image high-speed downloadRaspberry Pi Official website in the domestic open speed is relatively slow, want to download the image may need to wait for a long time, in order to save time to download the image, I here to organize the Raspberry Pi
The default raspberry is not self-samb and requires manual installation.If the default rasp source is not good enough, you can use the following from the online search:Deb http://Mirrors.cqu.edu.cn/raspbian/raspbian wheezy main contrib non-free RPIDEB-SRC http://mirrors.cqu.edu.cn/raspbian/raspbian/wheezy main contrib non-free RPIDeb http://mirrors.tuna.tsinghua.edu.cn/raspbian/raspbian/wheezy main contrib non-free RPIDEB-SRC http://mirrors.tuna.tsing
Raspberry Pi uses peanut shells for Internet access and raspberry peanut shells
Raspberrypi uses the Intranet ing of peanut shells.I. Raspberry Pi environment II. Required Software III. Operation Method IV. Additional instructions: these commands can be used only after the
If the device is not received, after using VNC login, the display resolution is very small, should be 480p, resulting in a very inconvenient use.By modifying the/boot/config.txt file, the desktop can also be displayed at a set resolution when the monitor is not connected. Here's how:1. Open Config.txt FileMethod One: Use the SD card reader to open the Config.txt file in the boot folder in the Windows environmentMethod Two: After entering the raspberry
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