https://hackaday.io/contest/205085-green-powered-challenge
Green Powered Challenge | Hackaday.io
The Green Powered challenge asks you to show us your creations that can run on the power they can get out of the world around the them.
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https://hackaday.io/contests
All contests | Hackaday.io
Submit projects to Hackaday.io contests and win fabulous prizes!
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https://hackaday.io/project/205461-harvesting-nfc-energy-to-transmit-commands
Harvesting NFC Energy to Transmit Commands | Hackaday.io
Using NFC RF energy harvested from a phone tap to submit commands and start a microcontroller. No standby power.
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https://hackaday.com/about/
About Hackaday | Hackaday
Hackaday serves up Fresh Hacks Every Day from around the Internet. Our playful posts are the gold-standard in entertainment for engineers and engineering...
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https://hackaday.com/2026/04/27/why-solid-state-batteries-short/
Why Solid State Batteries Short | Hackaday
Solid state batteries, we are told, are the new hot battery technology that will replace lithium-ion batteries. Soon. Not that we haven’t heard that before....
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https://hackaday.io/project/205562-esp32-smart-thermostat-for-120v-fan-coil-system
ESP32 Smart Thermostat for 120V Fan Coil System | Hackaday.io
A fully custom ESP32-based thermostat designed for 120V fan coil systems with dimmable OLED, HA integration, and a clean wall-mount design
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https://hackaday.io/project/198348-pollutagnode2-air-quality-monitor-lorawan
pollutagNode2 - Air Quality Monitor - LoRaWAN | Hackaday.io
Solar powered LoraWAN node for continuous air quality monitoring based on Wio-E5 and SEN54 Sensirion sensor
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https://www.youtube.com/user/hackaday
HACKADAY - YouTube
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Dan Maloney's Profile | Hackaday.io
There's more than one way to hack
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https://hackaday.com/tag/2026-hackaday-europe/
2026 Hackaday Europe | Hackaday
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https://hackaday.com/
Hackaday | Fresh Hacks Every Day
Fresh hacks every day
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https://hackaday.io/project/205524-blow-out-an-electronic-candle-the-analog-way
Blow Out an Electronic Candle - The Analog Way | Hackaday.io
An electronic candle that switches off when you blow on it. No moving parts, no microcontroller; just old-style analog circuitry.
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https://hackaday.com/2025/10/07/qualcomm-introduces-the-arduino-uno-q-linux-capable-sbc/
Qualcomm Introduces The Arduino Uno Q Linux-Capable SBC | Hackaday
Generally people equate the Arduino hardware platforms with MCU-centric options that are great for things like low-powered embedded computing, but less for...
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https://hackaday.com/2017/12/16/if-3d-printer-then-custom-aluminum-extrusion-brackets/
If 3D Printer, Then Custom Aluminum Extrusion Brackets | Hackaday
Aluminum extrusions are a boon for mechanical assemblies, but they require a stock of brackets and other hardware to be kept on hand. [mightynozzle] has...
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https://hackaday.libsyn.com/
Hackaday Podcast
Hackaday Editors take a look at all of the interesting uses of technology that pop up on the internet each week. Topics cover a wide range like bending...
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https://hackaday.io/LanguageSpy
Jenny List's Profile | Hackaday.io
Oxhack member, creator of the @LanguageSpy range of electronic kits for #RaspberryPi and #HamRadio.
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https://hackaday.com/2026/04/24/
24 | April | 2026 | Hackaday
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https://hackaday.com/2022/04/04/confessions-of-a-crimpoholic/
Confessions Of A Crimpoholic | Hackaday
Hi, my name is Dan and I’m a crimpoholic. Honestly, I didn’t know I was a serial abuser of crimping tools until this weekend. I’ve been working on a small...
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https://hackaday.io/sgreg
Sven Gregori's Profile | Hackaday.io
Software by Profession, Electronics by Obsession
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https://hackaday.io/project/205474-bk7258-240mhz2x480mhz-low-power-iot-platform
BK7258 240MHz+2x480MHz low-power IoT platform | Hackaday.io
BK7258 is connected to 2x2.16
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https://hackaday.com/2026/04/15/python-comes-to-the-arduino-uno-q/
Python Comes To The Arduino Uno Q | Hackaday
MicroPython is a well-known and easy-to-use way to program microcontrollers in Python. If you’re using an Arduino Uno Q, though, you’re stuck without it....
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https://hackaday.com/category/space/
Space | Hackaday
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https://hackaday.io/project/205564/instructions
Instructions | LightInk | Hackaday.io
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https://hackaday.com/tag/diy-oscilloscope/
Diy Oscilloscope | Hackaday
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https://hackaday.com/tag/comparator/
Comparator | Hackaday
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https://hackaday.com/2026/04/28/a-guide-to-cubesat-mission-and-bus-design/
A Guide To CubeSat Mission And Bus Design | Hackaday
If you mention the word bus, you might think of public transportation or, more likely for us, a way to connect things together. But in the satellite world, the...
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https://hackaday.com/author/chriswilkinson/
Chris Wilkinson | Hackaday
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https://hackaday.io/projects?tag=flying
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https://hackaday.com/2025/07/23/game-dev-on-ibook-g4-with-netbsd/
Game Dev On IBook G4 With NetBSD | Hackaday
What can you do with a laptop enough to drink even in the Puritan ex-colonies? 21 years is a long time for computer hardware– but [Chris] is using his...
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https://hackaday.com/2023/11/29/ejector-seats-the-rocket-chairs-that-save-lives/
Ejector Seats: The Rocket Chairs That Save Lives | Hackaday
Once upon a time, escaping an aircraft was a tricky business. You had to unstrap yourself, fling open a heavy glass canopy, and try to wrench yourself out of a...
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https://hackaday.io/project/205473/components
Components | A Contemporary Radiometer | Hackaday.io
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https://hackaday.com/author/bobbaddeley/
Bob Baddeley | Hackaday
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https://hackaday.com/2026/04/21/flipper-zero-transmits-aprs-with-no-extra-parts/
Flipper Zero Transmits APRS With No Extra Parts | Hackaday
APRs is an amateur radio protocol allowing the exchange of short packets of data. It’s commonly used to transmit a GPS position, though it can find other...
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https://hackaday.com/tag/battery-management-system/
Battery Management System | Hackaday
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https://hackaday.com/2026/04/23/vcf-east-and-maker-faire-make-for-a-busy-weekend/faire26_lego/
Faire26_lego | Hackaday
Visit the post for more.
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https://hackaday.com/tag/openssl/
Openssl | Hackaday
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https://hackaday.io/project/201890-nfctemp-passive-nfc-thermometer
NFC_temp - passive NFC thermometer | Hackaday.io
Reading temperature accurately while siphoning power from the NFC field in a keychain compatible form factor
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https://hackaday.com/tag/ls120-superdisk/
LS120 Superdisk | Hackaday
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https://hackaday.io/project/191731-practical-power-cycling/log/220736-bicycle-mounting
Bicycle mounting | Details | Hackaday.io
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https://hackaday.io/project/191731/logs
Project | Practical Power Cycling | Hackaday.io
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https://hackaday.io/project/193691-e-ink-dashboard-with-react-serverless-backend
E-Ink dashboard with React serverless backend | Hackaday.io
E-Ink dashboard that displays weather, RSS, crypto/stock feeds.
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https://hackaday.com/tag/z80/
Z80 | Hackaday
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https://hackaday.io/RobotRoom
David Cook's Profile | Hackaday.io
Host of RobotRoom.com, book author, and not that guy from the singing contest show
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https://hackaday.io/projects?tag=Commodore%20PET
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https://hackaday.io/project/191731-practical-power-cycling/log/221070-arduino-watt-meter
Arduino Watt meter | Details | Hackaday.io
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https://hackaday.com/tag/fluidics/
Fluidics | Hackaday
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https://hackaday.io/project/205410-accel-lights
Accel-Lights | Hackaday.io
Reactive RGB LED lights for Inline Skates
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https://hackaday.io/project/15430-rc201699-ti-994a-clone-using-tms99105-cpu
RC2016/99: TI-99/4A clone using TMS99105 CPU | Hackaday.io
Retrochallenge 2016/10 entry and winner: try to build a TI-99/4A clone using a TMS99105 CPU and an FPGA. In a month...
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https://hackaday.com/2025/10/27/a-3d-printed-16mm-movie-camera/
A 3D Printed 16mm Movie Camera | Hackaday
The basic principles of a motion picture film camera should be well understood by most readers — after all, it’s been well over a hundred years since the...
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https://hackaday.com/tag/removable-storage/
Removable Storage | Hackaday
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Project | BK7258 240MHz+2x480MHz low-power IoT platform | Hackaday.io
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https://hackaday.com/tag/terminal-velocity/
Terminal Velocity | Hackaday
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https://hackaday.com/2026/04/27/trying-pair-programming-with-an-llm-chatbot/
Trying Pair Programming With An LLM Chatbot | Hackaday
When it comes to software developers, there are a few distinct types. For example, the extroverted, chatty type, who is always going out there to share the...
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https://hackaday.com/author/bryancockfield/
Bryan Cockfield | Hackaday
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https://hackaday.io/contest/179533-supplyframe-designlab-2021-hackaday-prize
Supplyframe DesignLab: 2021 Hackaday Prize | Hackaday.io
A global hardware design challenge focused on widespread and impactful innovation.
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https://hackaday.io/project/161290-jaspers-electronic-load-r3
Jasper's Electronic Load R3 | Hackaday.io
Arduino compatible Electronic Load 19V 5A 16W/21W
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https://hackaday.com/tag/floptical-storage/
Floptical Storage | Hackaday
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https://hackaday.io/project/205474-triple-m33-low-power-portable-display/log/247195-bk7258-rgb-pcb-is-back
BK7258 RGB PCB is back | Details | Hackaday.io
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https://hackaday.com/tag/micropython/
Micropython | Hackaday
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https://hackaday.io/signin?returnUrl=%2Fproject%2F205564-lightink
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https://hackaday.io/funnypolynomial
Mark Wilson's Profile | Hackaday.io
Physicist by Training, Software Engineer by Trade, Maker by Choice.
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https://hackaday.io/project/188687-mcl86-drop-in-intel-8088-emulator-and-accelerator
MCL86+ Drop-in Intel 8088 Emulator and Accelerator | Hackaday.io
The MCL86+ is an open-source drop-in emulator for the Intel 8088 which uses a Teensy 4.1 and a small PCB
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https://hackaday.io/project/190989-gametoy
GameToy | Hackaday.io
Just for fun... PicoW - 2
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https://hackaday.com/tag/windows-95/
Windows 95 | Hackaday
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https://hackaday.com/tag/code-security/
Code Security | Hackaday
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https://hackaday.com/category/3d-printer-hacks/
3d Printer Hacks | Hackaday
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https://hackaday.io/submissions/component-abuse-challenge/list
Component Abuse Challenge | Hackaday.io
Browse prize submissions for Component Abuse Challenge on Hackaday.io!
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https://hackaday.io/projects?tag=extruder
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https://hackaday.com/2026/04/03/
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Toy Hacks | Hackaday
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https://hackaday.io/contest/182830-555-timer-contest
555 Timer Contest | Hackaday.io
The legendary contest returns: Build something using a 555 timer. How creative can you get with the world's most commonly used IC?
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Zoe Skyforest | Hackaday | Page 2
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https://hackaday.io/project/205580-master-industrial-programming-with-arduino-esp
Master Industrial Programming with Arduino & ESP | Hackaday.io
Democratizing industrial automation using OpenPLC and microcontrollers such as Arduino to implement IEC 61131-3 standards at a low cost.
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https://hackaday.com/2025/06/07/lets-buy-commodore-well-somebody-is/
Let’s Buy Commodore! Well, Somebody Is. | Hackaday
When a man wearing an Atari T-shirt tells you he’s buying Commodore it sounds like the plot for an improbable 1980s movie in which Nolan Bushnell and Jack...
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https://hackaday.io/project/163477-hanging-toy-helicopter
Hanging Toy Helicopter | Hackaday.io
Thin wires (through the center of a helicopter's blades) support and provide power for the toy.
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https://hackaday.io/project/144350/gallery
Gallery | Hacking Wearables for Mental Health and More | Hackaday.io
I hack generic fitness trackers and use them as a platform for prototyping wearables such as the
for mental healthand moregalleryhackingwearables
https://hackaday.com/tag/rocket/
Rocket | Hackaday
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https://hackaday.com/tag/chyron/
Chyron | Hackaday
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https://hackaday.com/2026/04/23/gamecube-bot-records-your-play-in-a-weird-way/
GameCube Bot Records Your Play In A Weird Way | Hackaday
If you wanted to record yourself playing on a GameCube, you could use a VCR to capture the video output on tape. But there is a more interesting way to do...
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ElecLab's Profile | Hackaday.io
Embedded Product Design
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https://hackaday.com/2026/04/23/vcf-east-and-maker-faire-make-for-a-busy-weekend/faire26_8track/
Faire26_8track | Hackaday
Visit the post for more.
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https://hackaday.com/2026/04/23/encrypting-encrypted-traffic-to-get-around-vpn-bans/
Encrypting Encrypted Traffic To Get Around VPN Bans | Hackaday
VPNs, Virtual Private Networks, aren’t just a good idea to keep your data secure: for millions of people living under restrictive regimes they’re the only way...
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https://hackaday.com/author/davidrowntree/
Dave Rowntree | Hackaday
Hackaday contributor, electronics designer and foster carer.
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https://hackaday.com/2026/04/18/how-one-line-of-tf2-code-ruined-this-simple-feature/
How One Line Of TF2 Code Ruined This Simple Feature | Hackaday
Ever encountered a minor annoying bug in a video game? How about one dating back to 2018? Usually, you have no hope of fixing it, but this time is different....
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BINGOBRICKS's Profile | Hackaday.io
Has a special passion for everything that rolls, turns, picks, pushes or flies. The ball is a loyal companion in his life.
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IoT | Hackaday
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Moon | Hackaday
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https://hackaday.com/category/home-hacks/
Home Hacks | Hackaday
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https://hackaday.com/tag/windows-subsystem-for-linux/
Windows Subsystem For Linux | Hackaday
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https://hackaday.io/contest/191511-cyberdeck-2023
Cyberdeck 2023 | Hackaday.io
Calling All Console Cowboys!
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