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74.4k 764 111 327
Designing an open source, modular bench power supply to rule them all.
Project Owner Contributor

Bench Power Supply

The Big One

63k 574 75 230
A "dataless" Wi-Fi positioning system that can be used anywhere GPS can't.
Project Owner Contributor

SubPos Positioning System

Blecky

45.2k 1.5k 5 186
A full stack project dedicated to easily collecting, analyzing and sharing IoT sensor data.
33.6k 407 34 181
DIY System on Chip based on FPGA, priced below 5 USD
Project Owner Contributor

DIPSY

antti.lukats

62.8k 475 35 148
Make the invisible visible for about $500.
Project Owner Contributor

Open Ground Penetrating Radar

Glenn Powers

13.4k 1.1k 10 135
OSHW+OSS to enable the next generation of powered prosthetic limbs and exoskeletons. Let’s make humans faster/better/stronger!
11.4k 176 38 124
A snap-on regulated 3.3 V/5 V power supply for a 9V battery.
Project Owner Contributor

snapVCC

Mahesh Venkitachalam

26.9k 982 18 109
An open source hydroponic garden control, monitoring, and grow system with cloud database and dashboard.
Project Owner Contributor

HydroPWNics

Adam Vadala-Roth

35.8k 521 40 103
Arduino compatible indoor navigation system with small form factor.
Project Owner Contributor

LPS Mini

Göran Nordahl

10.6k 417 16 90
Turns your BeagleBone Black/Green into a 14-channel 100Msps Logic Analyzer
Project Owner Contributor

BeagleLogic

Kumar, Abhishek

7k 394 7 84
Acquire EEG, ECG, EMG (medical instrument) signals while rejecting AC coupled noise
Project Owner Contributor

Biopotential Signal Library

Paul Stoffregen

15.2k 182 0 75
A multi purpose lab tool accessible by simple Python functions, and capable of studying a wide range of physical phenomena.
16.8k 161 21 75
An open source low-resolution desktop CT scanner
Project Owner Contributor

OpenCT2

peter jansen

17.6k 154 28 74
My own design 6502 based computer with full graphics, sound and storage capabilities for a dose of 80s nostalgia!
Project Owner Contributor

6502 Homebrew Computer

Oric 6502 Hacker

8.6k 342 15 73
Gas sensor "grenade" that may save lives instead of taking them. The sensor can be thrown into dangerous areas to remotely report levels
15k 140 19 71
This is a collection of switch mode power supply modules designs that are efficient drop-in replacement for the old 78XX series.
Project Owner Contributor

SMPS replacement for 7805

K.C. Lee

9.6k 160 21 70
Chocometer is an open source near infrared sensor aiming glucose measurements without pain.
Project Owner Contributor

Chocometer

marcelclaro

36.3k 143 34 68
See if ultrasonic cavitation can be used to fixate atmospheric Nitrogen less expensively than the Haber process.
Project Owner Contributor

Improve the Haber process

Peter Walsh

15.8k 750 7 67
Professional quality, 24 bit, 192kHz audio breakout board for Teensy 3.x, Raspberry Pi, and more.
27.7k 554 17 66
A power-sipping all-purpose laptop
Project Owner Contributor

E-ink Raspberry Pi display

j0z0r pwn4tr0n

14.8k 708 17 60
Hidden sensors in every light switch
19k 116 26 57
PCB for fast development with ESP-07 / ESP-12 with on board USB to Serial converter and on board lipo charge / protection circuit
Project Owner Contributor

ESP8266 (ESP-07/12) Dev Board

al1

17.3k 127 3 57
I've managed to reverse-engineer and reuse several high-tech parts from electric cars - my latest addition is the Tesla Model S drivetrain
Project Owner Contributor

Hacking powerful EV drivetrains

Michal Elias

5.2k 289 4 56
A wireless analog/digital multitool & data recorder
Project Owner Contributor

MultiSpork

Pierce Nichols

17.3k 122 9 53
A circuit you can place inline with your existing low voltage lights to allow for wireless control
Project Owner Contributor

ESPLux - Smarts for your downlights

Matt

8.3k 406 19 53
Project EDEN is an open initiative to grow crops quickly, under near-optimal conditions with automated aeroponics habitats.
Project Owner Contributor

Project EDEN

sadhana

13.8k 592 3 52
A cost effective, multi-pronged data acquisition tool to turn your computer into a workbench for science and electronics experiments.
Project Owner Contributor

A Versatile Labtool

Jithin

14.1k 358 8 52
A computed tomography scanner for your desktop
Project Owner Contributor

100$ Xray desktop CT scanner

Paul Kocyla

6.2k 178 9 49
Wearable Navigation Assistance for the Blind
Project Owner Contributor

Pathfinder - Haptic Navigation

Neil Movva

9.7k 80 11 47
Measure tire or ball pressure with your smartphone
15.4k 99 7 43
This is a low cost portable Ultrasonic range finder and sonar device to help a visually impaired person navigate indoors.
Project Owner Contributor

Sonar for the visually impaired

K.C. Lee

4.6k 182 30 43
IoT enabled, servo drive with Ethernet. Platform independent, +/- 0.2° accuracy, 0.2 Nm @ 1000 RPM
2.6k 52 0 41
The USB Tester makes it easy to monitor the current and voltage of any USB device (and non USB).
Project Owner Contributor

USB Tester

MobileWill

20.5k 121 12 38
8 channels of 10A 250V relays controlled over Wifi with an ESP8266 module at the core. Built in RS232-TTL level shifter for external devices
7.5k 238 2 38
Fast Charging. Charge your portable devices. Use it as a UPS for your BeagleBone/Pi/Home WiFi Network. Or an emergency laptop power source.
12k 2.3k 4 37
This is an IoT based wireless Home Automation and Security System
4.4k 315 12 34
It’s Like Mobile Payments, But For Receipts
Project Owner Contributor

Aleph

LazyHD

8k 139 10 34
Wearable breakout boards. Flex Modules have 2.54mm castellations for breadboard and solder on to wearable flexible PCBs
Project Owner Contributor

Flex Modules

Chris Hamilton

10.7k 108 5 32
This is an efficient dual channel battery charger/analyzer for maintaining rechargeable batteries with programmable parameters and logging.
5.1k 205 5 29
Malti is a low cost open source handheld Linux platform that makes experimenting with and learning about electronics easier
Project Owner Contributor

Malti

Jeremy Van

5.1k 525 4 28
An escape from the tyranny of low-quality soundcards
Project Owner Contributor

DrDAC USB Audio DAC

drewrisinger

4.5k 183 14 27
Solar powered Bluetooth Low Energy Tracker with beeper and LED to assist in locating it.
Project Owner Contributor

Sol BLE Tracker

DrYerzinia

4k 644 1 24
Use your expensive high impedance studio quality headphones with a portable media player to get the best possible sound without extra wires!
7.9k 46 16 22
Cooling the core body temperature of people diagnosed with MS.
7.9k 69 8 22
Saving the planet from global warming requires monitoring the weather, so having a weather station is the least we all can do to help
Project Owner Contributor

FacilTempo - weather station

Clovis Fritzen

4.1k 66 6 21
Just in Time Logic
Project Owner Contributor

Fabric8

Nick Johnson

2.8k 175 1 21
A small-scale model of the electrical grid providing a fun testing environment as an educational tool for engineers in power and energy.
Project Owner Contributor

Smart Grid Test Facility

Tim Leung

5.2k 320 4 21
An Arduino IoT Farming Experiment
Project Owner Contributor

The Smart Garden

Frank Vigilante

3.3k 61 2 21
Circuit Bending an old Roland Drum Machine using an Arduino Mega some cross-point arrays some schmitt triggers and a touch-screen
Project Owner Contributor

The Rythm Composter

Alpha Charlie

3.5k 623 13 19
Delta-Sigma: solution for a virtually unlimited number of DACs, and with faster refresh rates then PWM. Applicable on any microcontroller.
Project Owner Contributor

Delta-Sigma versus PWM

RoGeorge

13.2k 80 6 18
DC motor rotational speed controller for Chinese CNC3040 spindle motor without any kind of encoder
Project Owner Contributor

DC Motor Controller for CNC Router

SUF

2.3k 855 0 18
The Redtree Hydra is the 1st computer for robotics designed to easily add components, communicate with groups of other robots and share data
8.6k 1.4k 13 18
Rasky is an expansion board for raspberry pi model 2, a collection of software and some 3d models to build an open source KVM over IP
1.6k 24 6 17
Open source persistence of vision (POV) light for bike wheels, pendulums, or hand waving. Multiple sensors to trigger the animations.
Project Owner Contributor

Multi-sensor POV light

CaptMcAllister

8.7k 57 35 16
Maxim MAX30100 based Pulse Oximeter and Heart Rate Monitor
2k 700 4 16
Project R(rrrr) is a low-budget research robot for the rest of us.
Project Owner Contributor

Project R

Rudolph

4k 342 12 16
This is a 32-bit audio effects processor which combines several menu-selectable effects into one unit.
Project Owner Contributor

32-bit Audio Effects Unit

randy.day

4.1k 54 10 16
DC Uninterruptible Power Supply I built for cluster of Modem, router, VoIP etc. It also consolidates the power adaptors.
2.3k 442 8 15
An Electronic Power System in the PocketQube 60 femtosatellite form factor
Project Owner Contributor

PQ60 - EPS

Pinski1

13k 263 1 15
DIY Hifi Phono Stage
Project Owner Contributor

Muffsy Phono Preamp PP-3

skrodahl

1.1k 644 6 15
The idea is to take the water used in a shower to use for flushing the toilet, there is no sense in using drinkable water for that
Project Owner Contributor

Shower water repurposer

leandro

4.2k 827 3 15
An Internet of Things Device to Let My Aging, Disabled Father Know that the Stove is Off, and Ease His Paranoia...
2.4k 214 2 13
A community pollution monitoring system aggregating pollution data from individual station users to get information on the environment.
1.6k 55 3 12
This is a non-invasive breath detector, lungs thermometer and other breath parameters logger
Project Owner Contributor

How are you? Errr... are you alive?

RoGeorge

3.1k 58 7 12
A compact and portable driver for laptop LED LCD screens using HDMI and USB
Project Owner Contributor

HDMI to LVDS interface

theEngineer

2.8k 29 8 12
A connected coffee jug.
Project Owner Contributor

CoffeeOfThings

opeRaptor

1.6k 10 0 11
An RPN based scientific calculator with four line display based on the MSP430 microcontroller.
Project Owner Contributor

RPN Scientific Calculator

Joey Shepard

1.1k 53 0 11
Digitally controlled UV lightbox for PCB manufacturing
Project Owner Contributor

UV Lightbox

SUF

2.2k 28 0 10
KWh counter that logs and uploads data to the could, based on the TI CC3200 development board.
Project Owner Contributor

Electricity usage monitor

Solenoid

1.9k 22 0 10
An asset tracker geared toward the elderly, demented, and folks who get lost.
Project Owner Contributor

Elderly Asset Tracker

cjskalka

656 33 0 10
Integrated Scope is an electronic measuring instrument which has features similar to that of a Digital Storage Oscilloscope.
Project Owner Contributor

Integrated Scope

prajwalee035

1.9k 21 5 10
Replace lots of stick notes and scraps of paper around the house with one Slim Quality Uncostly Intuitive Drawing Pad - [WIP]
Project Owner Contributor

Squidpad

Arthur Admiraal

3.5k 365 0 10
Making a Smart Home controller. Stations for each room will a master controller for the home
Project Owner Contributor

Smart Home controllers

john jensen

2k 376 4 10
Cheap low power open source heart rate and body temperature monitor
Project Owner Contributor

#T_H_S

facelessloser

1.5k 404 2 9
A Hydroponic/Greenhouse system that has been automated as much as possible to remove the maintenance burden of these systems from the user.
Project Owner Contributor

Smart Hydroponic GreenHouse

Tom Van den Bon

4.2k 732 5 9
nrf24le1 IoT Development Kit
Project Owner Contributor

i/o node

Justin

814 928 0 9
Sophisticated and Reliable Drone which can stream live Air Quality information and Video feed for Monitoring and Surveillance purposes.
416 16 0 9
An LED flashlight driver with innovative UI to control 5 LED channels with a single button
Project Owner Contributor

MELD Flashlight Driver

Everett Bradford

1.2k 37 0 9
Stuck on a island in the middle of the ocean without a wifi backup disk? The TEENSY SD USB back up tool is what you need!
Project Owner Contributor

SD card back up tool

Enrico

2.3k 354 5 9
Audi A4 onboard computer based on the Stellaris launchpad board.
Project Owner Contributor

Onboard Stellaris car computer

Rui Rex

766 24 0 8
An autonomous quadrotor for indoors hovering and linefollowing
Project Owner Contributor

Self-Contained Autonomous Quadrotor

skrogh

1.1k 7 2 8
What do you get with a solar cell, some sun light, a supercap, a haptic motor, bristle from old tooth brush and a few parts?
Project Owner Contributor

Solar B.E.A.M. Bristle Bot

K.C. Lee

882 349 5 8
Building a 200V 2Kw Battery charger.
Project Owner Contributor

2Kw AC-DC psu

Brad

2.3k 196 0 8
Replicating TI's overpriced Op Amp Evaluation Module
Project Owner Contributor

Precision Labs replica

SUF

1.7k 28 0 7
Arduino Controlled Robotic Gardening Appliance
Project Owner Contributor

The Smart Garden Mini

Frank Vigilante

1.3k 822 2 7
A plastic recycling system for 3D printers...junk goes in, filament comes out! Fully integrated, automated, novel tech & closed loop control
Project Owner Contributor

ProtoCycler

Dennon Oosterman

883 23 1 7
Drives high voltage Piezo Haptic feedback devices by i2c. For sale on Tindie.
Project Owner Contributor

Piezo Haptic Flex Module

Chris Hamilton

8.2k 25 6 7
...without handling mains power
Project Owner Contributor

Muffsy Hifi Dual Power Supply

skrodahl

2.1k 22 6 6
A device + app that allows you to access features of your phone while driving, without taking your eyes off the road.
Project Owner Contributor

Hands Free Phone Accessability

Noah Pena

1.3k 14 0 6
AluPi is a portable device designed for playing games and performing general computing which is straightforward to assemble.
721 838 0 6
Motee is a smart motor controller focused on you. Everything's onboard!
3k 19 0 6
A Web (OpenHAB) enabled RGB-LED Desktop Lamp
Project Owner Contributor

ESPLamp

Xiider

838 31 3 5
Low budget go-cart for fun build utilizing various discarded elements.
Project Owner Contributor

Eco-Friendly Electric Cart / Scooter

xobmo

840 18 0 5
DRV2605L based (linear resonant actuator)LRA driver with i2c control, haptic library, audio input, and motor sized. For sale on Tindie.
641 232 2 5
MPPT charger and load controller designed for getting the most out of cca 12W panels while powering QRP amateur radio station.
Project Owner Contributor

Low power portable MPPT

Martin Sivák

505 17 0 5
Experimental sonar, working towards an inexpensive sonar for hobby ROVs
297 576 0 5
An identification system that transmits a partial unique ID through light to augment radio based ID systems.
Project Owner Contributor

Social Light Flex Module

Chris Hamilton

897 21 0 4
Charger system for Li batteries with fuel gauge. Works with Qi wireless or USB power source. For sale on Tindie.
384 5 0 4
Beam sound into the clouds to make raindrops form. Also usable as an LRAD/HyperSpike substitute, maybe.
167 3 4 4
Imagine a walking stick that could help elderly enjoy their walks in a safe and informed manner
700 35 0 4
Bipolar power supply +/- 3.3V from USB. + rail is ~3A, - rail is ~300mA. For sale on Tindie.
Project Owner Contributor

USB BiPower OTG Flex Module

Chris Hamilton

530 257 6 4
Remote monitoring hardware for cheese maturation, with real time plotting and logging.
Project Owner Contributor

CheesyChips

Gus Logan

569 736 0 4
ESP8266 based Platform with many included analog and digital functions that can help you to learn and also develop your IOT projects.
552 22 0 4
Ultra low noise power supply that can be set via jumpers for any output voltage value from 1.4v to 20.5v using a tps7a4700
503 276 1 4
Universal LED Lighting Controller for LED panels and RGB LED Strips
Project Owner Contributor

ULLC'y

andrejs.design

263 4 0 3
A modular, hybrid digital/analog guitar effect design platform using various digital and analog units.
366 339 0 3
THIS PROJECT IS DESIGN FOR DOCTOR AND NURSES IN HOSPITAL TO UNDERSTAND THE IMPORTANT REQUIREMENT OF THE DEAF PERSON.
616 23 0 3
Provides 8 addressable i2c buses. Used to broadcast or resolve conflicts of multiple i2c modules with the same address. For sale on Tindie.
Project Owner Contributor

i2c Switch Flex Module

Chris Hamilton

565 8 0 3
A simple Non-Invasive Smart Electricity Meter using Spark Core
286 3 0 3
A high capacity, low power One Wire data logger.
Project Owner Contributor

Hydra

John

282 9 0 2
A low-cost platform for distributed control of both indoor and outdoor agriculture
Project Owner Contributor

Indoor/Outdoor Distributed Ag

Aleks Clark

461 522 0 2
Digital class D amplifier that accepts i2s input and provides speaker and headphone output. For sale on Tindie.
135 2 0 2
Make simple jewelry like LED boards for experimentation
Project Owner Contributor

TinyLEDs

Chris Hamilton

902 375 0 2
Not going to change the world exactly, but it's a small, fun project.
Project Owner Contributor

Simple 8x8 LED display

/dev/null

306 1 0 2
The Low Voltage Translator translates low voltage into your multimeter (or oscilloscope) voltage range
Project Owner Contributor

The Low Voltage Translator

Saaddin

2k 3 2 1
Minimize shower day dreaming, conserve a bit of water.
Project Owner Contributor

Shower Metronome

mulcmu

182 77 0 1
Wireless custom event notification device utilizing Intel Edison Development Board with built in Bluetooth and Texas Instruments Sensors.
132 3 1 1
i2c based keypad and GPIO module for input
Project Owner Contributor

Keypad Flex Module

Chris Hamilton

243 8 0 1
A low cost, digital, water pasteurization indicator using TI's TMP300B programmable temperature switch.
Project Owner Contributor

ultraWAPI

atomkemp