Converting PWM to a Voltage
AnalogWrite() does not output a voltage on the Arduino. Instead, it outputs a PWM (pulse-width modulated) signal. It does do analog to digital, but not the other way around. This guide will show you...
View ArticleTop 5 Arduino Tutorials You Should Know About
Do you want to make more of your Arduino fiddling? Read on. One of the best ways to learn something is by walking through a tutorial. This post rounds up the best places online to find high quality...
View ArticleHow to make an Arduino shield with Eagle CAD
There are many CAD developed to assist the electronic designers during drawing of PCBs and schematics; often they are integrated in complete suite to project, simulate and realize a whole electronic...
View ArticleATtiny Programming Shield for Arduino
This was made to program ATtiny85 and ATtiny2313 micro controllers using one ZIFF socket. I suspect it would be compatible with more versions of the ATtiny, but these are the 2 i am familiar with. A...
View ArticleParsing JSON in Arduino
I guess most of you would by now, know what is JSON. It is a data format to represent structured data like XML, but is very small and has native support in JavaScript. Libraries are available in...
View ArticleHow to use your Raspberry Pi like an Arduino
Tedbot experimented with the Raspberry Pi’s GPIO (General Purpose Input/Output) pins. In his article he describes three methods to do this: Python, Bash and C. Using those three programming languages...
View ArticleArduino Bluetooth Tutorial
Damian has created a little tutorial on how to use the seeeduino bluetooth shield. He sends a message over Bluetooth from his Arduino to the PC. Using your local terminal monitor (the USB connection...
View ArticleHandy Arduino & ATMega Microcontrollers Pinout Diagrams
Pighixx has created several pinout diagrams, and posted them in the Arduino forum. They’re for the Arduino UNO and for several ATMega microcontrollers, such as the ATMega 328 and the ATMega 1284p....
View ArticleConnect Several Digital Inputs to One Analog Input
If you often run out of digital pins on your Arduino, this guide can be a solution. Anything as complicated as, say, a video game controller, was near impossible with the amount of pins available....
View ArticleArduino Uno vs BeagleBone vs Raspberry Pi
Makezine reposted an extensive article from digital diner that compares the Arduino Uno vs BeagleBone vs Raspberry Pi. It’s a good comparision for beginners. It will show you the basic differences...
View Article5 Different methods of driving 7 Segment LED displays with Arduino
Pedro made this great instructable that shows a few different methods of connecting 7 segment LED displays to an Arduino or Atmega 328 IC. They are only simple counter codes either automatically...
View ArticleThe Top 10 Internet of Things APIs
APIs are enabling interconnectivity in places you wouldn’t imagine. From kitchen appliciances to cars, the “Internet of Things” has become a reality. Discover the top 10 APIs that are making it easy to...
View ArticleSkill Builder: Arduino 101
Ever heard of Arduino? It’s an awesome programmable microprocessor (mini computer) that you can make do almost anything! Its main purpose is to make sensors react to actuators (lights, motors, and...
View ArticleHow to Use Numeric Keypads with Arduino
Tronixstuff has made a great tutorial on how to connect numeric keypads to your Arduino. Numeric keypads are available from many retailers, and no matter where you get them from, make sure you can get...
View ArticleReverse Engineer IR Remote Codes
How to capture and reverse engineer an infrared IR code and use an Arduino or other microcontroller to replay the command. Oscilloscope and logic analyser capture, coding, troubleshooting, tounge...
View ArticleSimple 3-8 decoder / demultiplexer tutorial
This guide is intended for people new to electronics who wants to understand how 238 decoders (demultiplexers) work. These are often used in LED-cube projects and this simple exercise will illustrate...
View ArticleHow to run an Arduino (clone) on a 9V battery for weeks or even months
Hans found out that a battery would only last for a few days, before it would be gone. Browsing around the internet, he learned about the fantastic work of Jean Claude Wippler of Jeelabs fame. JC has...
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