Content for Project

Ultrasonic parking sensor

“It should come as no surprise that I really really want a Tesla. Or really any Electric Vehicle for that matter. The only problem at the moment is that my daily commute takes me 20 minutes on foot each way …

Upgrading TI-86 batteries to Li-ion

“Dalius decided to upgrade his graphing calculator, a TI-86. He has been complaining that the calculator has been draining the batteries too fast.”

Wireless Arduino with low power consumption

“Warduino is project to replace IQRF modules. It is designed to be compatible with arduino. The base of HW is microcontroller Atmega328 and wireless chip SI4432.”

World’s Smallest MIDI Synthesizer

“A number of people have claimed to make the world’s smallest synthesizer. It’s a pretty silly ambition because at this level the size makes it extremely impractical, and fiddly to pull out of the socket. Nevertheless, I have …

Writing AVR assembler code with the Arduino IDE

“Although I have written a lot of code in high-level languages like C++, I enjoy writing assember the most. For inserting assembler code into Arduino sketches, you can read a gcc inline assembly guide. If you have some assembly code …

Auto Power Off: save batteries

“This little circuit allows your microcontroller to cut the power off. To turn the circuit on press the button. To turn it off drive the “to microcontroller” signal high using whichever condition you like. For battery applications you might want …

AVRelay - pocket AVR game console

“I want to show you my project “AVRelay”. It is a pocket mini AVR computer. It loads system on startup so you are able to load from SD card game or app. On video you can see older version of …

Better 3D graphics on the Arduino – ILI9341 LCD

“A while ago I purchased a cheap $4 Chinese LCD Arduino shield from Ebay (e.g 1 2 3). The board arrived with no documentation. Disassembling the shield revealed no ICs, indicating that the driver is integrated with the LCD …

Betty Hacker embeds open hardware electronics into cakes

“Food and electronics don’t usually mix well—unless you’re cake hacking. I’ve been embedding electronics into edible cakes since 2008. And, in 2009, my group won the New York City Yahoo! Hackathon with a cake that showed …

Chimera: $60 DLP High-Res 3D Printer

“I have been on a hunt for the past several years to find a cheap and simple, yet moderately high resolution 3D printer. I had 3 different 3D printers partially constructed when I heard about the amazing technology of DLP …