samd21 arduino

because to use the Arduino to do the alarm, learned a few commonly used sensors to use, share with you. 1, Human infrared sensor module hc-sr501Product parameters 1. Operating voltage: dc5v to 20V2. Static power consumption: 65 micro-Ann3. Level output: High 3.3V, Low 0V4. Delay Time: Adjustable (0.3 seconds ~18 seconds)5. Block time: 0.2 seconds6. Trigger mode: L non-repeatable, h repeatable, the default value is H (jumping cap selection)7. Sensing

Introduction to the Arduino Wearable development tutorial (University bully Internal information)Probation: Link: http://pan.baidu.com/s/1mg9To28 Password: z5v8Introduction: An introduction to the Arduino Wearable development tutorial (university bully Internal materials) is the first wearable technology implementation tutorial in China. This tutorial explains how to build a wearable product with the most p

Taobao Shop:http://robotstudio.taobao.com group number: 259189548 Arduino language Annotations The Arduino language is based on C + +, in fact, the basic C language, the Arduino language is only the AVR microcontroller (microcontroller) related to some parameter settings are functional, do not need us to understand his bottom, Let us not understand the AVR micro

The latest version of the Arduino UNO, Arduino MEGA, Arduino Leonardo and other controllers and manufacturers of compatible controllers, in Mac OS and Linux system, are not drivers, you just plug directly, you can use. However, in the Windows system, you need to install the driver profile for Arduino to drive the

Lda-4200d is a MEMS motion sensor released by Italian law (ST) semiconductor company: Three-axis digital output gyroscope. Optional;-250 ~ 250,-500 ~ 500,-2000-2000dps Development Environment:System: XPBoard: Arduino LeonardoPlatform: arduino-1.0.1 Objective: To read the raw data of the Three-Axis Gyroscope and display it through the serial port I. Hardware Introduction The schematic diagram of the Three-Ax

Arduino related poses Arduino is an open source hardware platform that includes development kits (development boards and related modules as well as wiring) and Ides, and the development language is based on C. The core is a 8-bit ATmega328 processor, this processor is the AVR MCU series of high-end products. The Arduino provides a digital interface and an analog

This article is produced by @ray, reprint please indicate the source. article link:http://blog.csdn.net/wz22881916/article/details/78161080 This year, our team selected the B problem, ball control system. Finally, we got the province special and the country one, also was to finish my big moment's wish. The following is a summary of the game, and later recalled when there is a thought. The ball-rolling control system is a multivariable and nonlinear control object, and is a two-dimensional extens

Similarities and differences between Arduino and C + + The cause is this: I want to play Arduino, play for a while, I would like to write some of their own library, easy to operate. So the cheap in C + + wrote a library, the results found below a few points, a little chaos, only for memory and reference: (the direction is changed from C + + to Arduino) string rf

Memsic2125 Acceleration Meter MEMSIC2125 is a two-axis accelerometer that can measure the acceleration of positive or negative 2g in two directions (g represents the gravitational acceleration). Its pin design is simple: Only two data output pins, one for the x axis and one for the Y axis. Its data output pins will output different pulse widths according to the size of the acceleration (do not know what the pulse width is please see this article). The subtle level of pulse width can be measured

Today took out the home Arduino again out to play a bit, also looked at some recent online information. Feel the current online article still stay in this how to use, that how to use the stage. There are few examples of the combination. So, I will write the code today, for everyone to refer to the brick. Arduino, after all, is the basis of C language. So the structure of the program is still very important.

Always heard that many do IoT, smart Home controller using the Arduino, studied brother there got an Arduino development board, a afternoon study, feel this suitable for children play:)Talk less, sum up, it is easy to use later. I mainly refer to the Baidu Library of a 60+ page of "Arduino from scratch" and some technical forums such as Geek Workshop bar. As a re

Arduino function APIProgram StructureIn Arduino, the standard program entry main function is internally defined, and the user only needs to be concerned with the following two functions:void Setup ()void Loop ()The setup () function is used for initialization, and the loop () function is used for execution. Initialization functions are generally placed at the beginning of the program, to set some pin output

Recently, I intend to customize an Arduino board, change the Arduino's burn-write mechanism. Fortunately, bootloader are active code, say dry, before rewriting of course to try this source can compile, but to the bootloader directory is dazed .... Actually use is makefile, but as a program ape of course can't retreat ...1. Find bootloader Source codeBootloader source code are in the \arduino-1.6.9\hardware\