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How to connect the circuit see another blog post:"using Raspberry Pi to control stepper motor--pythony language"/******************************************************* File name:stepmotor.c* Author:jason Dai* date:20 15/01/26******************************************************/#include Compile:GCC Stepmotor.c-o STEPMOTOR-LWIRINGPIRun:./stepmotorUsing
Annotated Source: http://www.cnblogs.com/einstein-2014731/p/5551846.htmlThe use of the C language Control Raspberry Pi 3B serial port, to achieve the purpose of using the serial port to send and receive data. Previously thought this serial port is the default to be formulated into a serial control
tube. The pin is also attached to any of the Raspberry Pi's gpio ports.
OE is the output enable PIN, which is also common in other chips. The function is to control whether the data in the latch is ultimately output to the Q0-Q7 output pin. Low-power output, high-power normally not output (neither high-level, nor low-level but high-impedance state, no power). In order to facilitate direct connection to
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The first route is very simple, that is, reading the index template (the template is html) and sending it to the client (browser), because the path is "/", that is, for example, the IP address of Raspberry Pi is 192.168.0.10.
Use http: // 192.168.0.10: 8080 to access our "/" route (the default port of the bottle is 8080)
Similarly, the second route path is "/cmd", that is, access ht
1. Effect display2. Hardware devicesIn a treasure bought a 4-bit common yin digital tube. 4 Number of common one cathode, altogether 12 pins. One of the 6,8,9,12 is a common-yin pin. Each number consists of A-g 7 diodes and a point DP. Because it is bought online without detailed device manuals, you can only test the pin and the digital diode on the corresponding relationship. You can see that the number 12th pin corresponds to the first digit of the common yin pin, the number 1th pin correspo
Youku Video Address: http://v.youku.com/v_show/id_XMTMxMDY0NzY2NA==.html?from=s1.8-1-1.2Recently in the play Raspberry Pi remote control car, very early on the WiFi remote control to give Nginx+lua, why not python? Because I don't like python.The back can be played outdoors, plus a digital tube and infrared. Digital Tu
, so I used the TV speaker to output the sound. If the parameter is local, I would need to plug the headset into Raspberry Pi's multimedia outlet.
In addition, the command to kill a process is:
ps -A | grep proccess_name
List all processes and find the pid of the proccess_name process.
kill ####
##### Enter the pid Number
Remote Desktop]
Finally, I want to configure a remote desktop to
After buying the Raspberry Pi, what can I do with it? There are a few ideas to share with the beginner's teaching film, which is well worth a visit. Http://www.youtube.com/user/RaspberryPiBeginners 1.Plug in the expansion card, DIY or teaching.The main usage, of course, is to plug in a GPIO card, put on a noodle board, pull some electrical circuit, control what t
Https://www.raspberrypi.org/documentation/usage/gpio/README.md2016/6/25GPIO: Raspberry Pi A and B# #介绍GPIO和在树莓派上进行物理编程The powerful feature of the Raspberry Pi is the GPIO (general purpose input and output) pins that surround the board, right next to the yellow video output jack.GPIO PinsThese pins are the physical inte
The answer is yes.
There are 26 pins on the Raspberry Pi Board, these gpio (general purpose I/O) including SPI, I²c, serial UART, 3V3 and 5V power supply.
Domestic forum There is an article "RASPBMC Setting Infrared receiver" describes how to install the RASPBMC operating system for Raspberry Pi, install the infrared
Split Memory allocation, select how much memory to GPU
A4 ssh to run SSH login, it is recommended to open an account this option, after the operation of Pi convenient, network on the line, do not open the screen.
A5 SPI whether the SPI core driver is enabled by default, the novice will have no control.
A6 Audio Select whether the sound is output to the analog or HDMI ports by default
0 Auto Selecti
First components to be prepared:1. Raspberry Pi 3 Model B2, SD card one sheet3. Network cable and router4. ComputerRaspberry Pi PackagingRaspberry Pi FrontComponentsOne, SD card system writeFirst of all, download the Raspberry Pi
0 PrefaceThis article reads Raspberry Pi CPU temperature through file operations. In Linux, any device operations are abstracted as file read/write, read the content in the/sys/class/thermal/thermal_zone0/Temp File to get the Raspberry Pi CPU temperature. This article describes how to read and apply the temperature par
Use the command line to set the Raspberry Pi wifi network and the command line Raspberry Pi wifi
If you have not logged on to the Common graphic user interface, This method is suitable for setting Raspberry Pi's wifi. Especially when you do not have a screen or wired network
City will play: Linux+python+raspberry Pi Brewing Beer" style= " vertical-align:middle;height:auto;margin:10px auto; "/> to run the brewing system, your Raspberry Pi must do two key things: measure the temperature from several different locations and use a relay switch to control
Vamei Source: Http://www.cnblogs.com/vamei prohibited any form of reprint.The Raspberry Pi is an ultra-small computer with a credit card size, developed by the Raspberry Pi Foundation of the Rotten Country (UK). Thanks to its ultra-small size, Raspberry
Raspberry Pi speaker, using a shairport
A private cloud service owncloud, can be anywhere, including the use of mobile phones, upload download files, synchronization calendar and so on. This service is relatively slow, is the only one let me buy a new version of Pi reasons.
An alarm clock, the hour will Chime (the first time in the morning is the daughter sh
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