September 6, 2021 A Simple Two-Digit LED Thermometer A friend of Hacker David Johnson-Davies’ now two year-old son recently had a birthday. While he can’t yet read words, he can… Read now
September 6, 2021 Digital Quartz Clock Built Using Logic ICs and 7-Segment Displays Erik van Zijst's clock was made from 7-segment LED displays, a host of CMOS ICs, a 555 timer chip, and a photoresistor. Read now
September 3, 2021 Rgco's Ultra-Cheap Arbitrary Waveform Generator Packs a Raspberry Pi Pico to Outperform Lab Gear Based on an older Arduino project, this waveform generator shows just how powerful the $4 Raspberry Pi Pico can be. Read now
September 3, 2021 Free Up Storage Space on Some of Your Arduino Boards with Almost No Extra Work Learn how to change a couple of settings and burn a new bootloader to free up an additional 1.5KB of space on your AVR boards. Read now
September 3, 2021 A “Ginormous” Digital LED Clock Clocks are great devices for hackers and Makers, because they give us an excuse to make something for our entertainment that can actually… Read now
September 2, 2021 Monitor Your House with an Automated Raspberry Pi 3 Surveillance Camera UPS, Fedex, and good ol’ USPS are great — they deliver all of those awesome electronic goodies we order from places like PMD Way and… Read now
September 2, 2021 Build a Desk Water Squirter This desk squirts trespassers via WiFi or its integrated button. Read now
September 2, 2021 Matias N.'s Goji Keeb Is a Smart Raspberry Pi Pico-Powered Split Keyboard with Reversible PCB Clever PCB design means the board can be flipped for right- or left-hand use, and support for add-on devices is promised. Read now
September 1, 2021 ESP8266-Controlled Water Dispenser Is Mounted Tidily Under Cabinets StorageB107 designed this automatic water dispenser that you can make if you aren’t lucky enough to have a dispenser built into your fridge. Read now