raspberry pi

General Purpose Input Output (Universal input/output) abbreviated as GPIO, or bus extender, simplifies the expansion of I/O ports with industry standard I²C, SMBus, or SPI interfaces. GPIO products provide additional control and monitoring capabilities when the microcontroller or chipset does not have enough I/O ports or when the system requires remote serial communication or control.This article has nothing to say, mainly stickers! But this article is very important first is for the next articl

An intranet map using peanut shells on Raspberry Pi (raspberrypi).One, Raspberry Pi environment Operating system:The download link for the system image. Hardware environment:Raspberry Pi Model B + Second, the required software Peanut Shell

ObjectiveIn the previous article, "Raspberry pi set automatic dialing, build no-line by environment" , the author uses HOSTAPD and UDHCPD programs to create wireless hotspots to achieve address assignment and DNS server settings. This article will make improvements to the Raspberry Pi AP based on the previous environme

We have explained in detail the Raspberry Pi control ultrasonic module ranging (http://www.cnblogs.com/yuemo/p/8888342.html) and ultrasonic control buzzer module audible (http://www.cnblogs.com/ yuemo/p/8906111.html).Today we'll see how to apply all two modules and make an anti-theft device.First look at the connection of each pin (requires seven mother-to-female DuPont line):Ultrasonic module:1.VCC: Connec

Raspberry Pi--a card-type machine that is based on the size of a Linux system and has only a credit card size. Raspberry According to the inventor's idea, he was designed to reduce the cost of learning program development. You can understand it as a rudimentary version of the computer. Raspberry

Tags: serve using more than open installation method to run the LAN via spanThe person who can see this blog note that the attempt failed, will find that the memory card after the flash into Ubuntu, unable to operate the Raspberry Pi via ssh. It is because the official Ubuntu system needs to set something for the first time, similar to the initial startup of Windows, if not set up, even the operation accoun

Recently the classmate sent a Raspberry Pi, including an already packed Raspberry Pi Board (the Raspberry Pi box needs to be purchased separately), a power supply, and an SD card with a pre-installed operating system. After a simp

One, I use the various parts:(1) Raspberry Pi(2) SD card(3) Cable(4) Router(5) a notebookSecond, download http://www.raspberrypi.org/downloads from the official website, I download is Raspbian JessieThird, the Raspbian burned to the SD card, I was in Windows under the operation:Download the Win32diskimager and burn the Raspbian image to SD card;Iv.. Insert the SD card into the

Tags: where prompt ima start update als/etc allow accessDemandInstall the MySQL service on the Raspberry Pi and turn on remote accessSteps to install MySQL server$ sudo apt-get install Mysql-serverI thought the middle will let me prompt input database root password, did not think smooth sailing, direct completion, I am going crazy, the password is what. Search found, you can use the following command, blank

Main references:0.https://www.raspberrypi.org/forums/viewtopic.php?p=462982#p4629821.https://www.maketecheasier.com/set-up-raspberry-pi-as-wireless-access-point/2.http://www.jenssegers.be/43/realtek-rtl8188-based-access-point-on-raspberry-pi3.https://www.embbnux.com/2015/02/08/setup_raspberry_to_wifi_access_point_with_rtl8188/4.http://www.christianix.de/linux-tut