
Arduino Fixed-point Vehicle Proximity Detector
This is the high-tech version of hanging a tennis ball from the ceiling from a piece of string. Of course, if...

Touch Sticky Note using Arduino
This piano-liked thing is what I called touch sticky note. I Use a piece of sponge as the paper, and put 8 x 8...

The CoaTracker using Arduino
Has this ever happened to you? You wake up in the morning and realize that you’re terribly late for work...
A simple and elegant way to help keep your personal space bubble from being invaded by close talkers and overly huggie people. This is a stolen or borrowed idea from Phillip Torrone of Ada... Read more
This is the high-tech version of hanging a tennis ball from the ceiling from a piece of string. Of course, if you have two different types of vehicles, that tennis ball isn’t going to... Read more
This piano-liked thing is what I called touch sticky note. I Use a piece of sponge as the paper, and put 8 x 8 LEDs under the sponge. Whenever I touch the touch screen, the related LED will... Read more
Has this ever happened to you? You wake up in the morning and realize that you’re terribly late for work/class/your weekly pedicure/whatever. You throw on a t-shirt and flip flops, spr... Read more
A bracelet decorated with six conductive fabric petals and a thread of beads with a metal bead at the end, makes for a simple six point tilt detection. It is also designed so that the metal... Read more
As a Water Quality professional working in the drinking water field, I know how important it is to accurately monitor the disinfectant levels in the drinking water that gets served to the pu... Read more
Create a pressure sensor using: – Needle-felted wool – Thin muslin – Velostat – Conductive thread This sensor can be used an analog input for Arduino code. Step 1: Pr... Read more
The yoga breathalyzer is a breath visualization tool to help you understand and get in touch with your breathing. Breath is the basis of yoga and meditation, and this biofeedback tool is one... Read more
As a follow up to the Arduino Audio Input tutorial that I posted last week, I wrote a sketch which analyzes a signal coming into the Arduino’s analog input and determines the frequency... Read more
This project shows how to make an interactive picture of a dandelion. It starts as a yellow flower with LED’s for petals then changes into a white dandelion clock, which can be blown o... Read more
I recently had my kitchen updated and knew that lighting would ‘lift’ the look of the cupboards. I went for ‘True Handless’ so I have a gap under the work surface, as well as a kickboard, un... Read more
The problem we picked was – Growing plants in limited space by amateurs. Many people would like to grow plants (basic vegetables, herbs for the kitchen, etc) but do not have enough spa... Read more