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An action game played with the magnetic card.

Card Slash Adventure

This device has some modes built-in, based on Transcranial Electric Stimulation. Including one based on MIT Dormio for influencing dreams.

M97 (tACS, tDCS interface, dreams influencing)

Reactive eyewear that moves and responds to light. Not very functional but somewhat cool!

Kinetic Eyewear

a pedal for fresh water, no electronics, no wifi, no IoT!

drinkyPET - fresh water for fluffy ginger cats

Socketed ARMv9 CPUs, open LGA-Z1 socket, modular boards, and secure AI hardware for devs, builders, and infrastructure.

AEGIS: An Open Socketed ARMv9 Platform

It is iconic for Swiss mountain dogs (e.g. Bernese, St. Bernards etc.) to carry a barrel below their necks. Mine also deserves one.

Bernese mountain dog gets a barrel, for reasons...

A Modular Pocket Console for Makers

¥enPocket Mini

TYPE-C Power Extraction and Adapter Tool Tutorial Based on FPC Flexible Circuit Board

FPC-Based TYPE-C Power Extraction & Adapter

A low-power e-paper clock with Roman and Arabic numeral toggling, real-time progress bars, and minute-by-minute updates

Building an E-Paper Analog Clock with ESP32

Pixel 3 XL NetHunter Clamshell Palmtop

NetHunter C-deck

My attempt at making a fun humanoid-like robot.

Almost humanoid robot

Pi-based platform to photograph and record birds, and classify them at both species and individual level

whosthatbird

By reading the analog values from the IO interface and performing voltage conversion, the detected voltage values can be obtained.

Monitoring Water Levels with the Ai-M61-32S

A ready-to-use weather station. Quick setup: flash the prebuilt firmware and start testing in under a minute.

Simple Weather Station on CrowPanel Advance

DIY off-grid terminal using Arduino Mega, TCM3105 modem, GPS, and error correction for resilient text communication.

Fallout-Style Communication Terminal: AFSK Modem

Discussion about idea for diego's hand

LOG 1 (February 11)

A serial interface for the FACIT 4070 tape punch with only a DTL-level parallel interface.

Serial Interface for a paper tape punch

Laser Cut Acrylic + TPU hinges make for a brilliant storage box

Print-in-place Box with Transparent Lid

Unlocking hidden features, fixing bugs, and injecting custom logic

MIB2 STD PQ Reverse Engineering

Here I like to show you how to simply make a pcba test jig with a laser cutter.

Laser Cut Test Jig

Trending projects See more

MeshWalkie: A handheld Compact Wireless Multi-Tool for Lora and Hackers.

MeshWalkie

This project presents a compact system capable of determining the direction and elevation of a sound source in real-time with Pi PICO

Acoustic Targeting Module for Tactical Drone

Open Printer is an open-source, repairable inkjet printer designed to outlive your laptop, dodge planned obsolescence.

Open Printer

A keypad for scientists and engineers

Mathpad

An open hardware reading device that's easy to build, easy to manufacture, and easy to make your own.

The Open Book

This is a miniature desktop antenna that indicates how far the International Space Station is from your location!

ISS Antenna - Indicates When the ISS Is Overhead

A USB-C Gamepad for Portrait-Mode

DIY Portrait Mode Gamepad

LED Countdown timer for short talks with hour glass trigger. Built for Hackaday Europe 2025.

Lightning Talk Timer

Follow for the 'Hacklet' and latest news about hackaday.io

Hackaday.io Project

ESP32DIV is a dual-purpose wireless testing toolkit powered by an ESP32

Your Swiss Army Knife for Wireless Networks

PDA with an eink display, a USB keyboard and a hinged case, based on the M5paperS3

FAI² eink PDA

A tiny BLE media control bar based on ESPHome.

mini-media-control-bar

Smart Planter that helps you to give emotions to your plant

Fytó - Turn Your Plant Into Pet

MLX90640 Thermal Camera, so beautiful, so cheap, you can DIY or BUY IT!

Open Source Thermal Camera

An Open Source Software Defined Oscilloscope

ThunderScope

In this project, we’ll build a compact altimeter using the MS5611 precision pressure sensor and a Seeed Studio XIAO ESP32-C3 microcontroller

Altisense : Compact Altimeter Using ESP32

I added wireless motor control to a humble furniture dolly to facilitate transportation of furniture and people.

Motorized Furniture Dolly

Simple Single Chip Computer running MCS BASIC-52 with wireless connectivity between PC or Phone. No external crystal, latch or RAM required!

Single Chip Computer

Leveraging the Programmable Power Supply (PPS) of USB PD 3.0 and 3.1 to make an ultra-compact bench power supply

PocketPD - USB-C Portable Bench Power Supply

A DIY Automatic Fish Feeder With Companion App

Aquassist : DIY Automatic Fish Feeder

A Low level interface library and a simple command line UI to control an HP3456A Digital Voltmeter

HP3456A Digital Voltmeter Command Line Tool

Loko is the 12 gram GPS tracker with extreme battery life.

Loko-Offline GPS tracker with 270 days battery

Wearable prototype breadboard used as LED wristwatch

Breadboard Wristwatch

Hands-free access. Just say the code out loud, and the lock opens. Without Internet.

Autonomous Voice-Activated Electromagnetic Lock

6502 Computer runs RPN fixed-point calculator in machine language

6502 Computer runs calculator

Interesting On Hackaday.io

Discover Wearables

It is universal stacking case for watch with cr2032 battery. ONE PCB ORDER = your project & enclosure

Compact Watch case template

Open-hardware bicycle compass

Aurora Bike Compass

mashing fashion and technology for over 10 years

heavyhearts

We are a prototyping company from eastern Europe passionate about electronics and especially IoT. We are open for projects.

Zalmotek

Progress log entry #2

Tactical glove for military stealth communications using hand signals

GLOVER

I'm a software developer with a love of microcontrollers and sewing. Wearables, here I come!

britrash

cognitive engineer. I run @crashspacela and do AI R&D. Building a educational space sim called SatStatSim, and am a team member at @VOXearch

Justin Corwin

Creating a break-out board for the ATtiny1616 where sketches can be uploaded from Arduino with the Arduino UNO or a modified AVR JTAG ICE

ATtiny 1-series with Arduino support

Animator, Designer & Thinker. Adobe UGM / ACP / Beta Tester - @MyTZOA Ambassador #wearables #technologies #sensors #enviroment #awareness http://t.co/g26fwneGfX

Sotirios

Community of friends that love to play with technology. 3D Printing, Arduinos, CNC's, Raspberry Pi, Wearables, etc, etc.

Makerspace Puerto Rico

Interacting with objects just looking at them has always been a dream for humans. [UPDATED 2019]

Eye of Horus - Open Source EyeTracking Assistance

Qubie is a small wireless device that measures waiting time at a polling place for the benefit of both election jurisdictions and citizens.

Qubie

Augmenting materials with electrical properties ⚡⚗️

PolySense

Discover Virtual Reality

super mario as a hologram? Princess Leia? No problem for voLumen! ................virtual media brought to reality................

voLumen - volumetric 3D display device

ExaGear Desktop brief feature description guide

ExaGear Desktop virtual machine for Raspberry Pi

8 Axis Balancing Robot to put the Real in Mixed Reality.

Balancing Trike Robot

Open Sourcing a Head Mount Wearable Headphone design as an all purpose platform for AR/VR/Audiology

An Open Source Head Wearable Platform

In this Augmented Reality Multitarget Tracking tutorial distance between two targets are calculated. More lightning effects appear, when tar

Fusion Effects using MultiTarget Tracking AR

This guy that dislikes regular reality.

Chaz

Publishing Augmented Reality app on Google Play in less than 15 minutes

Publishing Augmented Reality app on Google Play

track the seasons through tele-presence

Virtual Forest

An open source haptic force feedback glove

Remote Feelings

A networked room that changes its appearance to simulate any environment.

The Holodeck: Whole-Room Environment Augmentation

I'm making a shoe that allow you to walk around as much as you want in VR while staying in the same spot in real life

Passive Virtual Reality Shoes

I turned a broken virtual boy motherboard into a fully functional virtual boy handheld

Real Boy: The Handheld Virtual Boy

The micro pinball works as a PC peripheral. Design and printed. Three displays, LEDs, solenoid, lights, motor, vibrator...

VIRTUAL PINBALL MICRO

This Augmented reality Tutorial using Unity3D, Vuforia, Zigfu and Kinect Allows to Control Character with Your Body

Augmented Reality and Kinect - Control with Body

This is going to be a long and hard project - and a really expensive one too. I'm happy to take you along for the ride!

(Exosuit?)/VR Controlled Bot

Discover Robotics

This Gopro hack allows wired control for robotics applications, using any microcontroller, without break or damage the buttons

Gopro Hero 4 wired control

A hexapod robot companion, that gets tools for you and reminds you to put them back. Also cute.

Kevin - Robot Companion For Makers

An open-source panoply of UAVCAN connected boards to enable smart sensors and actuators for modular robotics development

CVRA's Robotics CAN Ecosystem

Triple Cycloidal Brushless Actuator 25:1 Ratio

Simple Cycloidal Robot Leg for Quadruped

A low-cost, high-performance bipedal walking robot

Blackbird Bipedal Robot

Bowie at Supercon '18! Join us to use the robot to clean up the park, then perform environmental sensor data analysis

Supercon: Environmental Robotics BioBlitz!

A tiny scara robot sand plotter used to make teeny tiny sand art

Tiny SandScara

Scalable swarm robot platform using ESP32 MESH capabilities and custom IR location

Swarmesh NYU Shanghai

Large Humanoid Robot 150cm With lightweight plastic design and originally planned for walking

Large Humanoid Robot

A project to create an autonomous rover and beer delivery assistance robot.

PyRover

The New Dexterity Low-Cost Robotic Airship for Education and Research

A Helium-Based, Affordable Robotic Airship

BattleBots controlled by a PS2 controller made in a robotics club by 5th to 8th graders.

BattleBots Made By 5th to 8th Graders

An open source Arduino based robot controller for servo based multi joint robots like quadruped, hexapods, robotic-arms, bipeds, humanoids.

Robot Controller MJS-A with 32 Servo Output

Demonstration robot for learning principles of real-time control using Raspberry Pi, RT Linux, and ROS.

Bobble-Bot

This is a line following robot that is competing in the Robocup Rescue Competition.

Ev3 Robotics Robot

Read On Hackaday.io

New Pages

LT3097 Low Noise Linear Regulator: The Unsung Hero of Clean Power

4 min read

lorryluo

FET-MA35-S2 Embedded SoM: Real-Time Industrial Dust Monitoring Solution with Multi-Sensor Integration

2 min read

forlinx embedded

Quick Integration Solution for Local Applications in Buildroot on the Allwinner A40i Platform

5 min read

forlinx embedded

How to Change Blade in Cricut: A Complete Guide for Beginners

5 min read

cricut design space

Forlinx MA35 Embedded SoM: Industrial IoT Gateway for Real-Time Elevator Monitoring & Predictive Maintenance

2 min read

forlinx embedded

Demystifying Load Resistors: Why That “Dumb” Component Might Just Save Your Project

2 min read

erinee

Tutorial on Linux OTA Upgrade Process for Forlinx OK3568-C Development Board

6 min read

forlinx embedded

Guide on Changing the Cross-Toolchain for T113S3/T113-i Buildroot

5 min read

forlinx embedded

How to Connect Cricut to iPhone? (Complete Tutorial)

5 min read

cricut design space

FET-MA35-S2 SoM: A Multi-core Secure Industrial-grade Solution for EV Charging Pile TCU

4 min read

forlinx embedded

Using an optocoupler as a current reflector

3 min read

Ken Yap

Understanding the ADR361AUJZ-REEL7 Voltage Reference IC: Your Stable Power Anchor

4 min read

lorryluo

RK3568 Platform Network Service Setup and Network Boot: TFTP, NFS and U-Boot Configuration Details

4 min read

forlinx embedded

E.D.I.T.H

1 min read

Royce

Will AR Glasses Replace Smartphones? The Future Powered by FPC and Breakthrough Technology!

4 min read

Daisyfire

Curated Lists

From the Raspberry Pi Projects list See More

Combines a Pi Zero 2 W (now a Pi 4), a 7 ins Waveshare 1024 x 600 display and a Gherkin 30% ortholinear keyboard in a portable tablet.

Pickle Pi

A disembodied arm that spells out messages from the ether (as long as they come through Twitter)

Ouija Robot

Raspberry pi based open source device with SDR and easy to use controls for exploring RF signals and data.

SDR dock 1.0

Automatic poetry with Pi decimals, Chudnovsky algorithm and a Raspberry Pi Zero

PiemPi Machine

Highly miniaturized RP2040 12x12mm PCB module

Femto Module v1

Building a Rpi powered cyberdeck in a Toshiba T3100/20

Modernizing a T3100/20

iRobot Roomba 690 enhanced with a Raspberry Pi Zero 2W and IMU.

Roomba RPi

A simple replica of the tesla gun from one of my favorite shows. My first project, hoping to get it light up in different brightness levels.

Warehouse 13 Tesla Gun

Low-cost device for control mosquitoes, weeds, pest etc.

Laser device for neutralizing - mosquitoes

Converting a "Teeny-Tiny Turntable" kit into a working music player using a Raspberry Pi Zero and the power of NFC

Working "Teeny-Tiny Turntable"

Reading up to 9 XIaomi Mi Temperature and humidity sensors using nodeRed+Bash+gatttool

Reading a bunch of BLE sensors with raspberryZero

Active cooling and power breakout board for RPi Zero 2 W

Raspberry Pi Zero 2 W Active Cooling

I am making a full sized Sol-20 reproduction, the first fully assembled microcomputer with a built-in keyboard and television output.

Sol-20 Reproduction

Computer Head Costume with 16x16 LED Matrix, Raspberry Pi, and Espeak

Computer Head Costume

A 3 axis skull mimics the movements of a person wearing a baseball-cap mounted Inertial Measurement Unit and wireless communications

Yorick the Mimic

From the Awesome Projects on Tindie list See More

Modular open hardware robot for uROS2 & Microblocks

Rosmo robot

Instead of a $10 box from Amazon, go above and beyond

TOSLINK DAC

Create a series of boards designed for the RC2014 bus to achieve MSX/MSX2 compatiblity

MSX COMPATIBLE BOARDS FOR RC2014

Very simple remote switch, controllable by any infrared remote control

IR2IO

Mokki is portable retro game console. Games are compiled in the cloud, stored on your phone, sent to device via bluetooth.

Mokki: Much Retro Game Console

For IT geeks, retro game fans, makers. Open source, portable, modular to explore, create, learn, code & play

ESPboy - RetroGaming&Software development MuliTool

Portable Power Platform for Pi Zero

PiSugar Battery for Raspberry Pi zero

Expansion Module BACnet MSTP, 8DI 8DO

BACnet MSTP, 8DI 8DO

A USB-C PD Sink up to 20V 5A based on the Cypress CYPD3177 USB PD Controller

USB-C Power Delivery Sink - CYPD3177

The controller LED strips of from 30 to 240 diodes.

Musical LEDs

A Feather-wing in the shape of snowflake shines in colourful animations with 19 independently-controlled RGB LEDs.

ColourSnow

A 6.4A-2uA current/voltage/power monitor based on the TI INA209 with dedicated GND usable as Shield, Wing, Breakout or Breadboard.

Watt-A-Live INA209 Power Monitor Shield Wing

A 65c816-based MiniITX motherboard.

Neon816

A quiet El Wire inverter with USB plug for easy use.

Quiet EL Wire Inverter

A breakout board for Analog Devices' 8x12 analog cross-point switch

ADG2128 Breakout

From the Featured Projects list See More

Mini Infinity Mirror SAO

SAO Infinity Mirror

The Skull of Fate SAO is an interactive tarot RFID card featuring i2c host and i2c client capabilities and GPIO interface with the badge.

Skull of Fate SAO

SAO that adds Lora Communication

SAO Lora Walkie Talkie

Canned messages, blinking lights, I2C capable....

SAOGNR - An SAO for Morse Code

No code, no PCB, just a Shitty Add-On for Supercon living in the moment

NixieSAO

A nixie clock that is designed in old fashioned way

Nixie Clock On Binary Counters

An 8-bit solar powered gadget.

Tiny Bit Machine

Salsa ONE is a single-button game console, inspired by the Arduboy and and the ergonomic design of the SanDisk Sansa music player

Salsa ONE: Minimalist Game Console

Underwater sample collection prototype developed as part of a University of Washington study abroad program to QUT in Brisbane, Australia.

Subzero UROV Flora Fauna Collection Attatchment

A way for the RSV Nuyina Hull to be inspected through the collection of biosecurity risk via the BlueROV2.

Ice Breaker Hull Inspection Collection

This is how to make a large display using ARGB computer fans as the method of having pixels for the screen.

SignalRGB Fan Wall

A pair of Pomelo gamma spectroscopy modules are run in coincidence mode to detect and measure cosmic muons

Cosmic muons: angular dependence of flux

How many features can you squeeze into a cheap bizcard? Quite a lot.

Self-Replicating USBHID-WS2812-RF24 Bizcard

Versatile and customizable business card and badge holder. Starting from a 0.8 mm RFID business card up to full featured badge holder.

'Swiss Army Knife' RFID LED Business Card

A logic chip noise synth workshop featuring the Klangorium

The Sound of Logic: Klangorium