Close

Power Harvesting Challenge

Learn more Start your entry
106 projects
18.8k
283
223
An efficient and compact generator that can be coupled with wind turbines or water wheels to produce upwards of 100W
Project Owner Contributor

Portal Point Generator

VijayVijay

9.2k
91
101
Mini vertical wind generator, with nylon blades and supports printed with 3D printer and based on electric motor with a power of 55 watts.
Project Owner Contributor

Mini Vertical Wind Generator 3D printed

Vittorio LoschiavoVittorio Loschiavo

11.8k
178
127
Biomedical Imaging project using AC currents.
Project Owner Contributor

Spectra: Open Biomedical Imaging

jeanjean

96
96
3
This outfit has a solar panel on the shoulder which can charge a 5V device, like a phone, a speaker, a portable charger, etc. through USB.
Project Owner Contributor

Solar-Powered Tech Fashion - SolarCycle&Microsoft

artbyphysicistkittyartbyphysicistkitty

56
0
0
An exertoy to assist development of two finger gripping action in children affected by cerebral palsy
Project Owner Contributor

PinchPhone

Rohit GuptaRohit Gupta

2k
32
30
Open build , Solar Charged , robotic or RC lawn mower with interchangeable attachments for leaves , trash , edging , weed eating and more.
Project Owner Contributor

Lawn Dog Robotic Lawn mower

Josh StarnesJosh Starnes

666
11
10
Did you know you could generate 2.7 vdc at 3 w/hr with just a pencil, paper, Teflon tape, a 3000 ufd capacitor, and a little elbow grease?
Project Owner Contributor

Power Harvesting with Triboelectric Generator

chris joneschris jones

1.5k
150
16
A geometric object that lights up and plays music
Project Owner Contributor

Bucky Glow

Jonathan BumsteadJonathan Bumstead

478
0
0
Harvest the wasted energy of a BBQ or smoker to power a temperature monitor
Project Owner Contributor

BBQ Thermogen

greggreg

73
0
0
Just like coffee powers you, it can also power your projects!
Project Owner Contributor

Java Juice

WaWTWaWT

6.6k
45
33
Texting Without Cell Towers, Power Grid, or the Internet: IoT meets AX.25 Aboard an Arboreal Space Elevator
Project Owner Contributor

TrillSat

Lee DjavaherianLee Djavaherian

1.6k
471
14
Open-Source companion robot for teaching and playing
Project Owner Contributor

Rhoby.The Social Robot.

Ilyas AkhmetzyanovIlyas Akhmetzyanov

1.4k
8
6
SOL is a project to develop a solar powered, connected solar intensity sensor (also known as a pyranometer)
Project Owner Contributor

SOL: Long-term solar intensity sensing

Jake WachlinJake Wachlin

519
6
4
This Buoy, with peltier modules attached, will use the Seebeck Effect to generate electricity using the ocean and the sun.
Project Owner Contributor

SEBS (Seebeck Effect Buoy System)

KedricKedric

9.3k
46
33
Energy harvesting alternative for bikes including data logging, smart lighting system and power distribution board for power banks
Project Owner Contributor

imPulse

Javier BetancorJavier Betancor

160
5
4
A Battery that does not need for charging. Activated with water or any liquid.
Project Owner Contributor

Water Activated Battery

Wasim SahuWasim Sahu

194
1
1
Universal Nixie Tester it's a simple handy device for testing nixie tubes and nixie tube drivers.
Project Owner Contributor

Universal Nixie Tube Tester

Marcin SajMarcin Saj

608
9
9
a stepper motor driven delta robot with its custom user interface, using machine vision to pick and place items
Project Owner Contributor

Delta Robot Automatic Pick & Place Machine

TunMakerTunMaker

5.6k
41
37
Experimental PCB single layer transformer - proof of concept
Project Owner Contributor

PCB coil joule thief

bobriciusbobricius

6.2k
27
28
Building a smarter, smaller and more user friendly soldering station
Project Owner Contributor

Hakko revenge

Marius TaciucMarius Taciuc

3.5k
30
23
A water cooled TEG with rated theoretical output of 200 watts
Project Owner Contributor

High Powered Thermoelectric Generator (TEG)

Tegwyn☠TwmffatTegwyn☠Twmffat

3.3k
34
28
A modular system for multimodal hands-free music control, wind instrument development and general human computer interaction.
Project Owner Contributor

Multiwind

Chris GrahamChris Graham

1.2k
13
7
Arduino based PWM Solar Charge Controller
Project Owner Contributor

ARDUINO PWM SOLAR CHARGE CONTROLLER

Debasish DuttaDebasish Dutta

1.6k
15
19
Powering LEDs or clocks with potatoes is too simple for you ? Let's build a modular robot powered by a single potato !
Project Owner Contributor

Modular Potato Powered Robot

Alexandre LE GALLAlexandre LE GALL

failed to load.

Going up?

About Us Contact Hackaday.io Give Feedback Terms of Use Privacy Policy Hackaday API

© 2019 Hackaday