Clik here to view.
RGB audio visualizer using FPGA
Sam Miller, Sahil Gupta, and Mashrur Mohiuddin built a 64×64 RGB LED matrix audio visualizer as their final project for the ECE5760 Microcontroller Design course at Cornell. The visualizer responds to...
View ArticleClik here to view.
Solar powered FM radio and mp3 player
Khaleel123 has posted an Instructable on how he built a solar-powered FM radio/mp3 player using some leftover wood flooring, salvaged pc speakers, four ni-cad rechargeable AA batteries, and inexpensive...
View ArticleClik here to view.
Rubidium standard real time clock for tracking local time dilation
According to General Relativity, we all experience finite amount of time dilation in our daily lives, depending upon our location, elevation, and velocity. At the speeds we travel at and the elevation...
View ArticleClik here to view.
Audio transmission using Laser
Armand & Victor did an interesting experiment about sending audio over a laser beam. They used a 250mW diode laser, modulated its output with an audio signal, and aimed the modulated beam to a...
View ArticleClik here to view.
Solar powered USB power bank
Solo-lab’s new project article is about building a rechargeable USB power bank which harvests energy by using a solar panel. It uses a 3.7V, 4000mAh LiPo battery to store the electric energy generated...
View ArticleClik here to view.
Arduino ultrasonic radar
Dejan Nedelkovski from How To Mechatronics has a very nice tutorial about making an ultrasonic radar using Arduino and Processing platforms. The project requires an HC-SR04 ranging sensor module...
View ArticleClik here to view.
Vibrating Mesh Nebulizer using PIC MCU
A nebulizer is a medical device that is used to transform a liquid medicine into aerosol droplets so that patients with pulmonary diseases can easily inhale the medication into lungs. Medical...
View ArticleClik here to view.
Chronio: Another Arduino based wrist watch
Chronio is an Arduino-based 3D-printed wrist watch designed by Max.K. The watch fits in a 22mm watch strap and runs on a 160mAh button cell for several months. A 96×96 pixel Sharp Memory LCD is used...
View ArticleClik here to view.
Another weather station using modular design approach
Nevyn’s entry to the 2016 Hackaday Prize contest is a modular weather station built using a number of sensors mounted on a general purpose circuit board. The sensor readings are captured by ESP8266 and...
View ArticleClik here to view.
16×32 RGB Matrix Panel Driver Shield Revision 1
Our RGB matrix panel driver shield for Arduino Uno has been slightly revised. The shield now also carries the DS1307 RTC chip on board along with a CR1220 coin cell battery holder on the back. It is...
View ArticleClik here to view.
Rubik’s cube solver
Alex Whiteway, Sungjoon Park, and Rameez Qurashi (students at Cornell) designed FPGA-driven mechanical arms to solve Rubik’s cube. They used three mechanical arms to hold and rotate the cube. Each arm...
View ArticleClik here to view.
Megachordotron is a DIY MIDI controller using Teensy
For 2016 Maker’s Faire at New York, Will Ware made Megachordotron, a Teensy powered MIDI controller with a touch sensitive keysboard. In his own words: “It’s intended for people (like myself) who are...
View ArticleClik here to view.
Data Display glasses for a multimeter
Electrical engineers do not have the luxury of a spacious working desk during field work, and sometimes they could not even find a good spot or stand for a multimeter. Alain Mauer‘s data glasses could...
View ArticleClik here to view.
SunLeaf: Solar-powered wireless sensor module
SunLeaf is a wireless sensor module designed by Adam Vadala-Roth for remote sensing applications. The module is solar/battery powered, low power, connected via WiFi, low cost, and highly scalable....
View ArticleClik here to view.
MyComm: a portable satellite messenger
MyComm is a portable satellite messenger currently being designed by John Grant. It provides true global messaging to keep you connected to your family all the time and from anywhere on Earth beyond...
View ArticleClik here to view.
Getting started with ESP32
Hackaday has posted a quick tutorial on how to get started with the ESP32, the successor of ESP8266 WiFi MCU, with both WiFi and Bluetooth Low Energy radios built in. Getting started with ESP32 The...
View ArticleClik here to view.
Automatic solar charge controller
Based on Michael Davis’s circuit, vina1991 built an automatic solar charge controller for a 12V battery using the 555 timer IC. It is a switching circuit controls the connections between the solar...
View ArticleClik here to view.
Arduino music player
Dejan Nedelkovski from How to Mechatronics recently posted a new project tutorial on making an Arduino-powered MP3 Music Player plus Alarm Clock. It features a professional looking touchscreen user...
View ArticleClik here to view.
SolarSurfer: A robotic surfboard
The SolarSurfer is a neat concept of building a solar-powered robotic surfboard submitted to the 2014 Hackaday Prize by Rusty Jehangir and his team at BlueRobotics. It’w built using an 8 feet surfboard...
View ArticleClik here to view.
Raspberry Pi All Sky Camera
Thomas Jacquin built this Raspberry Pi based all sky camera to capture the Northern Lights. Capable of taking pictures of the entire sky over a certain amount of time, the camera is best suitable for...
View Article