Close

Power Harvesting Challenge

Learn more Start your entry
104 projects
213
0
0
Just like coffee powers you, it can also power your projects!
Project Owner Contributor

Java Juice

wawtWaWT

35.4k
333
286
A 1 square inch PCB module with 2 tiny solar cells, a highly efficient Li-Ion charger and with 3.3V and 1.8V output
Project Owner Contributor

Tiny Solar Energy Module (TSEM)

jasper-sikkenJasper Sikken

5.8k
38
40
A pocket sized smart device for charging your phone everywhere
Project Owner Contributor

Brian Box

marius-taciucMarius Taciuc

8.9k
45
34
An open source inexpensive function generator
Project Owner Contributor

Inexpensive function generator

dl101DL101

83
1
1
An exertoy to assist development of two finger gripping action in children affected by cerebral palsy
Project Owner Contributor

PinchPhone

rohit-guptaRohit Gupta

3.2k
11
7
Novel power harvesting module integrates the energy harvesting abilities of a thermoelectric generator with a solar cell to maximize output
Project Owner Contributor

Hybrid Thermoelectric Solar Cell

neelNeel

8.9k
38
26
2-Axis solar tracker interfaces to a power monitor and charger/inverter
Project Owner Contributor

Solar Tracker, self powered and auto aligning

aidan-ruffaidan ruff

153k
498
401
A low cost ESP32 core board with Ethernet and PoE for convenient "single cable" deployments
Project Owner Contributor

wESP32: Wired ESP32 with Ethernet and PoE

patrick-van-oosterwijckPatrick Van Oosterwijck

3.3k
2.8k
19
PROTECT YOUR 3D PRINTER WITH THIS 3D TEMPERATURE GUARD
Project Owner Contributor

3D PRINTER WATCH DOG GUARDIAN

jmcservvjmcservv

2.4k
6
6
Single line(wire) Hardware Independent Half duplex Asynchronous Communication protocol
Project Owner Contributor

Single Line Communication Protocol (SLIC)

nikhil-m-jebyNikhil M Jeby

3.5k
18
20
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

10.3k
28
34
The mutant offspring of a shake flashlight and a universal remote.
Project Owner Contributor

The Undead Remote

oneohmoneohm

621
2
1
Basically a radiator driving a turbine while the turbine that drives a generator and the generator that drives...
Project Owner Contributor

Another man's treasure

ryan-garibayRyan Garibay

302
6
3
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

2.9k
19
17
Open source, easy-to-build Power supply charged by ambient indoor light to power low power micro-controller projects and an external device.
Project Owner Contributor

Indoor Light Charged Power Supply

dennisDennis

50
1
1
It uses human energy to power life saving implantable devices and also provide a complete human diagnosis system with the help of AI.
Project Owner Contributor

HUMAN ENERGY RE-UTILISATION TECHNOLOGY

sreehariSreehari

9.7k
61
45
Turn home wastes like food scraps into sustainable electricity production. Using Anaerobic Nitrifying bacteria, Photoplankton and the sun!
Project Owner Contributor

Phytoplankton Power ! - Hybrid Microbial Fuel Cell

josh-starnesJosh Starnes

5.4k
54
29
A small wind energy harvesting system for charging batteries to power your projects when solar is not an option
Project Owner Contributor

DIY Savonious Wind Turbine

gregGreg

14.5k
116
118
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

14.7k
83
64
Super-small BQ25504-based device charges a LiPo battery at ~7 mA using an inexpensive solar cell in direct sunlight
Project Owner Contributor

Ultra-Low Power LiPo Charger via Energy Harvesting

kris-winerKris Winer

1.4k
6
7
Mobile robotic solar panel to follow the sun and harvest solar energy in less than ideal locations due to trees and other obstructions.
Project Owner Contributor

Sun Chaser

dennisDennis

3.6k
27
17
Kite Power for your adventures
Project Owner Contributor

Portable Kite Turbines

roddy-rags-readRoddy "Rags" Read

19k
93
96
super small and durable power supply for wireless nodes
Project Owner Contributor

Ultra low power energy harvester from BPW34

bobriciusbobricius

3.7k
3.2k
14
Features of smart shoes: generates electricity, auto lacing, step counting, etc.
Project Owner Contributor

Smart Shoes

shahid-jariwalaShahid Jariwala

failed to load.

Going up?

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

© 2026 Hackaday