My garage door comes with a motor and a 433MHz remote that I don’t always carry with me because it is quite bulky and in the way. Because of that, sometimes when I am in front of it and I want to open it, I had to go inside and press the trigger switch that […]
Projects
3D Printed EMG Prosthetic Hand
If you’ve ever looked at prices for prosthetic hand, you may have noticed that they can cost upwards of $5000, with more advanced myoelectric controlled arms priced at over $20,000. Such prices are not ideal considering that over 80 percent of amputees are from developing countries where access to prosthetic limbs is limited by lack […]
How to Use the TM1637 Digit Display With Arduino
In this tutorial, I am going to show you guys how to control the TM1637 4-Digit 7-Segment displays using an Arduino. If you want to displays sensor data, temperature and humidity, or want to design a clock, timer or counter, you will need this 4-Digit Seven-Segment Display. Step 1: Topics Covered In this tutorial […]
LIQUID FLOW SENSORS OFFER HIGH-ACCURACY, LOW-MAINTENANCE REPLACEMENT FOR MECHANICAL TURBINE DEVICES
Cost-Effective MEMS Sensors Deliver Increased Performance and Reliability, Even in Unstable Pulsatile Flow and Low-Flow Conditions Posifa Technologies introduced its new PLF2000 series of liquid flow sensors. Designed to replace mechanical turbine flow sensors, the cost-effective devices deliver increased accuracy and reliability, even in unstable pulsatile flow and low-flow conditions. Factory calibrated for water to […]
How to Make an Interactive Sound Wave Print
In this tutorial we are going to show you how to make an interactive sound wave print within a picture frame, so you can see and hear your favourite song at the same time! When you touch the print through the glass of the frame, it will play the song shown in the sound wave […]
Arduino – Solar MPPT Battery & Phone Charger
I always wanted to make a PCB and this is my first professional circuit board attempt. So before you decide to start this project you should know there could be some mistakes or it could be more reliable and compact. This design is not the most efficient and cheapest way to make a DIY MPPT […]
How to Make a Infrared (IR) Remote Controlled Car With a TV Remote for University Project, Science Fair and Robotics Competition
Follow the instructions below to build the remote control car. This project is ideal for science fair, robotics competition and university projects. The design is highly adaptable, you can modify it easily and add your own components. Table of contents Step 1: video demo Step 2: circuit diagram Step 3: Arduino code (software) Step 4: […]
Origami Interactive Kinetic Art
Kinetic Interactive Arts? These concept of moving arts and interacting arts are not new to you, but most of the interesting and massive size pieces are almost always located in private companies or corporations. I was inspired by the piece “Diffusion Choir” located in a tech atrium of a company in Boston, and I wanted to […]
DIY Fingerprint Lock Box
Ever wanted a box that opens in a super cool way? We thought it would be fun to create a box that can be unlocked using the correct fingerprint! If we had more time, we would make the box more secure. In the mean time, we have learned a lot and had a lot of […]
Audio and Visual Timer
Do you need a way to quickly and easily set a timer for short intervals? This audio and visual timer has you covered! All you need to do to set your timer is turn the potentiometer knob and push the button. One LED = 5 seconds Two LEDs = 10 seconds Three LEDs = 20 […]
