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Java's versatility fuels growth across diverse fields.

Java

A small robotic tray that can remember its position

T1 - a Table with Memory

It is based on the Z80 processor, built with the cheapest parts available.

Clone of CA80.

Low Noise 45V-4A Dual Rail Power Supply Using Enhanced Capacitance Multiplier

Low Noise 45V-4A Dual Rail Power Supply

A simpler version of my previous project "DIY Advanced Plasma Rife Machine" with embedded Carrier signal frequency oscillator.

Plasma Rife Machine with internal Carrier Oscill.

The TEC-1 was released in 1983 by Talking Electronics but it had some limitations. I set about to fix them and update the project.

TEC-1G: 40 year Anniversary Z80 SBC

Mobile 3D printer for infinite-size 3D printing

Turtly - mobile robot-based 3D printer

Raspberry Pi-powered LED RGB Matrix display

Smart Display

An overactuated 6 DoF UAV

Omni Drone - 6 DoF UAV

Inspired by the structure of tensegrity and implement it to the lamp.

Tensegrity Cloud Lamp

LED-flashing, haptic metronome with presets and tap tempo

VRRVRR

A Raspberry Pi Pico synth engine for a toy keyboard, with instrument presets and Midi out

Picophonica

A byte-sized wearable menorah pin with eight settable flickering lights

Shift Register Menorah

Create awesome e-paper dashboards within minutes! Modularity? Check! Python3? Check? Works on Raspberry Pi Zero W? Check!

Inkycal - Your own E-Paper Dashboard

we are going to make a fully 3D-printed simple version of a screw-propelled vehicle

3D Printed Screw-propelled Robot With Video Feed

A silly desktop animatronic using an rPi, OpenCV and a messaging library (ROS or 0MQ)

Zero/ROS FOX

A much simplified USB-C PD and PPS trigger board. Allow users to select arbitrary voltage from PPS-capable power brick via potentiometer

PPSTrigger Board

Laser device shooting at targets.

Lazer tag

An intelligent busbar and power management PCB for the 2024 Perseus Rover Project in development at the QUT Robotics Club.

Smart BusBar for a Mock Lunar Rover

Speakers for the shower!

Shower Speakers

Trending projects See more

A simulator homage to old-school mini/mainframe systems with real lights and switches

PlasMa Mini-Mainframe Simulator

A fully functional replica of Charles Babbage's Difference Engine No.2 with 3D printed parts

3D Print Babbage's Difference Engine No.2

Renders your text as if it were serial data viewed on an oscilloscope

Scopin' Sans - A typeface for hardware people

"Awesome" Mouse - the open source 3D mouse... mouse

OS3M Mouse

Your very own Braille language trainer!

BrailleBot

Useful tool for testing, and determining characteristics of LEDs, as well as a calculator for calculating the series resistor

How to make Arduino LED Tester + Resistor Calc.

Using an FPGA to further reduce input latency, coupled with an overkill MCU, and a dash of USB 2.0 HS. Nothing beats the cats nyan.

Nyan Keys - FPGA Based Mechanical Keyboard

The sand painting table is a truly magical piece of jewelry for every living room.

IKEA Sand art painting table

A byte-sized wearable menorah pin with eight settable flickering lights

Shift Register Menorah

This is a remote playground to learn more about different types of software components that can be used in industrial setups.

Industrial Network Playground

This is an interesting open-source project that uses bubbles to create patterns and text.

Fully Transparent Air Bubble Display: bbAir

An 8x10 grid of solid steel balls suspended on cables that move to create patterns and shapes

Kinetic Sculpture

Create awesome e-paper dashboards within minutes! Modularity? Check! Python3? Check? Works on Raspberry Pi Zero W? Check!

Inkycal - Your own E-Paper Dashboard

Full-on Spotify scrolling and streaming via a Raspberry Pi Zero W and the original iPod clickwheel. Bluetooth, WiFi, and haptic feedback!!

sPot: Spotify in a 4th-gen iPod (2004)

Design, development and build of an open-sourced SLS 3D Printer suitable for hobby users.

SLS4All - Affordable SLS 3D Printer

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

Laser device for neutralizing - mosquitoes

Smartwatch wearable, ultra-long life measured in years, no need to recharge.

Smartwatch 10 Years Ultra-Long Battery Life

Bringing wireless convenience to serial connectivity

WiSer

An interactive space-themed neighborhood library

NASA Vehicle Assembly Building (VAB) Library

OpenSource 3D printable Robotic Arm

Thor

Homemade 8MHz Z80 SBC, 128kB banked RAM, RTC, SD (HD emulation), Basic and Forth interpreter, CP/M 2.2 and 3, UCSD Pascal, Fuzix and more...

Z80-MBC2: a 4 ICs homebrew Z80 computer

LVDS, eDP, connectors and controllers - let's learn it all

All About Laptop Display Reuse

Recycle Bin that sorts rubbish based on the sound of collision using Edge AI audio classification.

AI Audio Classifier Recycle Bin

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

The Open Book

An animatronic robot head with an artificial tongue and nose

TAST-E, the robot with a sense of taste and smell

Interesting On Hackaday.io

Discover Robotics

An affordable modular platform for open robotics development for hackers. Provides a jump start to build your own robot.

MORPH : Modular Open Robotics Platform for Hackers

A compact modular design of the strain wave gear for general robotic applications.

Compact Strain Wave Gear Actuator(s)

A PID Controller that is used to control the speed of a brushed DC Motor

PID Motor Control with dsPIC33EP

Mirobot is an Arduino-based WiFi robotics kit that's designed to help teach kids about technology

Mirobot - WiFi robotics kits for kids

Jokingly we gave him a name Death Star(it's from movie Star Wars). This robot is automatic, he goes and turns himself.

Death Star (Robot)

UP1 robotics platform, bringing robotics to everyone

UpDroid's UP1

A robot fish with pcb fins

Robot Fish (PCB Fins)

A low-cost STM32 board with motor controllers created along with visual programming and control software for use in education.

Visual Robotics Platform

An AI that lets any robot learn through positive and negative feedback.

Fido

A smaller and cheaper open source brushless motor

PCB Motor

Cheap, Small, Open Source Servo Controlled Robot Arm

MeArm - Your Robot

Small full-autonomous robotic forklift, based on PIC18F

Romulo - the robotic forklift

Towards Spatial-guided Vision based Assistive Robotics using EdgeImpulse and LEGO Mindstorms.

Gelāre: Depth-sensing powered Assistive-Robotics

Develop an open source robotic navigation curriculum free for anyone to use and contribute to.

Open Source NaviBots Curriculum

Do you want to build a Robot that can walk dance and sing for you! Then this is the ultimate guide that can help you through.

How to Make a Walking Robot

Discover Virtual Reality

Leap Motion communicating with mobile phone for AR and VR for a Hololens type of Effect.

Augmented Reality With Leap Motion and Vuforia

TrackIMU features unlimited field of view and natural viewing experience. It places your head in the games for immersive experience.

TrackIMU: Camera-free, Wearable Head Tracker

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

A person with a remote access wi-fi r/c az-el (azimuth elevation) web-cam attached to a cart. Allows disabled to tour any locale.

PROJECT MAN-CAM : Mobile AzEL Networked Camera

Air resevoir release mechanism to enhance realism in VR and AR applications.

Z balloonValve bitsfit

My first project，just for fun

Simulate the Gundam cockpit through VR

Augmented Reality Sharky Glass Break

Augmented Reality Sharky Glass Break

I explain a concept for an active (motorized) omni-directional treadmill that is cheaper and easier to build than most others

A Cheap Active Omni-Directional Treadmill

Developing an Augmented Reality tool for the creation of personal time zones.

Unstandardised Time

Biofeedback based Virtual Reality system for mental wellness

NeuroCuddl

track the seasons through tele-presence

Virtual Forest

Experiments with Decentralized VR/AR Infrastructure, Neural Networks, and 3D Internet.

Metaverse Lab

In NYC on March 29th? Join us for Hackaday NYC March: Virtual Reality + Reality

This project will give you full gesture control of any virtual Hero you like with a simple set of inexpensive devices using sensors on RPi

Immersive VR on Rpi to control a Hero with sensors

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

The Holodeck: Whole-Room Environment Augmentation

Discover Wearables

A collection of wirelessly connected color changing costume pieces, controlled by a 'magic' color sensing wand.

Color Stealing Fairy

M.Eng. in Biomedical Engineering, working as a Java programmer. Hobbyst of robotics, 3D printing, IoT and DIY wearables.

nulen

Amandar

Utilizes a haptic wearable device to alert pedestrian of where to turn when connected via Bluetooth to a personal device using maps

Haptic guidance

constantly curious, breaking things better

BlinkyBot

A Sci-Fi 3D Printed Winter Soldier Mask With Transparent Displays.

Sci-Fi 3D Printed Mask With Transparent Display

Image Visualization Specialist at University of Chicago. Passionate in electronic wearables, and domotics.

Teodora Szasz

JVS

Anxiety awareness wearable, using galvanic skin response, muscle tension, heart rate and blood pressure.

Kalmit - An Anxiety Wearable

Wearable system to ensure max comfort and no distractions during the pandemic.

Ultima Pandemic Workstation

mashing fashion and technology for over 10 years

heavyhearts

VP, Technology Strategy at Delos Living

Shaun Stewart

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

Qubie

Thor

Florian Lutz

Read On Hackaday.io

New Pages

DIY Crafts With the Cricut Design Space App

6 min read

cricut design space

PlantWhiz 3000 Smart Green Sidekick

2 min read

Blockhai

EPROM2764 - Hacked

9 min read

Rob Ward

Reflectometer's characteristics: sensitivity, accuracy, resolution, working distance

5 min read

teardownit

Happy Birthday CapCut Template

1 min read

cj784316

Cricut Christmas Gift Ideas for a Crafty Holiday Season

6 min read

cricut design space

11 Unique Silhouette Christmas Designs for Home 2023

8 min read

cricut design space

Teardown time again: Woods 32555WD remote control outlet. Finding out how the channel is set (it's a little brutal)

3 min read

mcu_nerd

How to Adjust the Speed of Brushless Motor?

2 min read

Mark Liu

How to Solve an Encoder Error in a Servo Motor?

3 min read

Mark Liu

Cricut Christmas Gifts: Spark Joy With DIY Delight

6 min read

cricut design

How to Make Decals With Cricut? [A Complete Guide]

6 min read

cricut setup maker

Vintage sewing machine foot pedal teardown

3 min read

mcu_nerd

ABOUT H4N5vs

1 min read

#H4N5VS

How to Make Christmas Shirts With Cricut? [Full Guide]

5 min read

cricut design space

Curated Lists

From the Raspberry Pi Projects list See More

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

Skeleton head turns to face people w/ Raspberry Pi & OpenCV

Skellington Watches You

From the Awesome Projects on Tindie list See More

Creating modular open hardware robot components

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

This is a small project to build a titanium sublimation pump for my vacuum chamber.

Titanium sublimation pump

A clock that pays homage to a 25-year-old story of a drummer, a Swiss watchmaker, and a global time system for the Internet.

The Curious Case of (Swatch?) Internet Time

Being on a variable rate tariff means I keep a close eye on when to turn on appliances - these devices help me out at a glance.

OctoClock and old-school energy meter

"Etch A Sketch" style frame and function for the badge from Hackaday Supercon 2023

Hack A Sketch

Not quite done with my tile based MacroPads. I'm making one more version to tighten up the design and make reproduction easier.

MacroPad With Tile Holder Buttons PCB Edition

My 2012 Fiat 500 has no head unit at all, so instead of just buying a cheap head unit, I just built my own

Fiat 500 head unit

Breaking the 5V barrier and getting the right voltage for your project made easy and inexpensive.

Bringing USB-PD to ESP32

A set of wall mount, magnetic SMD storage container / cartridge for product development

SMD Organizer Cartridge (Magnetic Wall Mounted)

Turn a QR code restaurant menu into a physical copy, right at your table.

A LA QRTE: QR Code Menu Printer

3D-printable parts and accessories for a 6800 series respirator (gas mask)

6800 Gas Mask Accessories

An attempt at advanced juggling with BLDC servos

BLDC Juggler

Development board for the PY32F002A low-cost 32-bit ARM Cortex M0+ microcontroller

PY32F002A F15P Development Board

Open-source legged robot with built-in sensors, peripherals and coding interface for beginner to advanced robotic adventures

CYOCrawler: Open-source quadrupedal robot

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

Ouija Robot

Learn how to build a "jump scare" skeleton that is remotely triggered using the Blues Cellular Notecard.

Remotely Terrorize the Neighborhood on Halloween