In this tutorial, eight LEDs are interfaced to the Arduino Uno board. This is not complicated – it is just like interfacing a single LED to the Arduino as done in tutorial 3, but eight times over. A program is then loaded to the Arduino that will turn the eight LEDs into a “Knight rider” […]
Arduino Knight Rider Continue Reading
In this tutorial you will connect a LCD (Liquid Crystal Display) to the Arduino Uno and then run the Arduino LCD example programs that are built into the Arduino IDE. Prerequisites It is recommended for beginners to complete all the Arduino tutorials up to and including Tutorial 10: Ten Arduino Projects for Absolute Beginners. Read
Pyroelectric (“Passive”) InfraRed sensors: ”’What is a PIR sensor?”’ PIR sensors allow you to sense motion, almost always used to detect whether a human has moved in or out of the sensors range. They are small, inexpensive, low-power, easy to use and don’t wear out. For that reason they are commonly found in appliances and
PIR Motion Sensor Tutorial using arduino Continue Reading
Want to tweet how satisfied you are cuddled up in your Snuggie? The Smuggie is a modified Snuggie, designed specifically for those who feel the need to express their smug satisfaction with a Snuggie to their friends on Twitter. Here’s a list of everything you’ll need: – Processing IDE (http://processing.org/)Arduino IDE (http://arduino.cc/) – A Twitter
The Smuggie: Tweet straight from your Snuggie using arduino Continue Reading
Scott W Harden has built an updated version of his ECG circuit for tracking his heartbeat. The main goal of the update is to provide a hack for collecting heartbeat with minimal h/w cost and circuit complexity. As you can see from the project photo above, the heartbeat detector is based on photoplethysmogram. Scott nicely describes the basics
Very simple ECG + Pulse Oximeter using arduino Continue Reading
The LED Umbrella with Arduino combines an umbrella, an 8×10 LED matrix and an Arduino microcontroller to create a controllable, programmable LED experience in the privacy of your own umbrella. This project was inspired by the Electric Umbrella by sockmaster and a number of LED matrix instructables on this site, particularly this very complete one by barney_1.
LED Umbrella with Arduino using arduino Continue Reading
I wanted to create an Arduino instrument that was easy to play, but would sound better with practice. This “wind” instrument combines the Sparkfun Electret Microphone breakout board with the Tone library and 5 buttons on one analog pin. The musician must make a sound or blow into the microphone in order to enable the
Arduino Wind Instrument using arduino Continue Reading
A temperature data logger, is a portable measurement device that is able to recording temperature over a defined period of time automatically. The data can be retrieved and viewed after it has been recorded. in this device the temperature will record every one minutes in CSV file. Step 1: You Will Need 1- Arduino Nano.
Temperature Data Logger Continue Reading
RCtime is a function for the Arduino that finds its roots in Basic-based micro controller programming languages (such as the Basic Stamp). This function basically counts the amount of time it takes to charge a capacitor through a resistor and returns a digital value. In some sense, it is a simple hack for analog to
Arduino Basics: RCtime using arduino Continue Reading
I recently needed to measure how different materials affect light transmission for a gardening project. I decided this was the perfect opportunity to try out the new logic level converter to run both a 5v LCD and a 3.3v light sensor on a single i2c bus. I used the following parts in this project: Arduino
Light Meter Using I2C Level Converter, LCD, and TSL2561using arduino Continue Reading
