Close

Power Harvesting Challenge

Learn more Start your entry
104 projects
23.6k
644
94
An Electronic Aerophone with focus on usability as an instrument.
Project Owner Contributor

The Open Woodwind Project

j-m-hopkinsJ. M. Hopkins

11.5k
64
64
super small and durable power supply for wireless nodes
Project Owner Contributor

Ultra low power energy harvester from BPW34

bobriciusbobricius

2.7k
20
15
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

774
10
6
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

1.9k
1.8k
6
use the natural, stable temperature of the ground to power garden lights and sensors via a thermoelectric device
Project Owner Contributor

Geothermal Energy Harvesting Garden Lights

trey-coreTrey Core

5.8k
4.9k
30
This is low cost 3d printed robot arm based on Ikea Tertial lamp.
Project Owner Contributor

Tertiarm - 3d printed robot arm

anastascaranastas.car

1k
277
5
This devices aims to optimize screen time experience by adapting music and video media elements in real time based on heart data
Project Owner Contributor

Optimote | Bio-Adaptive Media Controller

donovan-mDonovan M.

2k
23
17
Build computer controlled manufacturing tools from commonly available materials.
Project Owner Contributor

Basic DIY CAM 2018

norbert-heinzNorbert Heinz

12.5k
81
63
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

2.4k
18
16
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

11k
2.9k
58
Zn-Cu stomach acid based bio-galvanic cell powers a hacked activity tracker small enough to swallow and reconfigured as a 'smart pill'.
Project Owner Contributor

Stomach Acid Powered Smart Pill

curt-whiteCurt White

4.4k
14
14
A MPPT solar charger using a DC converter, MOSFET diode, Arduino Nano for control and an MPPT software library for simple integration.
Project Owner Contributor

SolarCharger SZBK07V2

keithhungerfordkeith.hungerford

7.8k
42
31
A water cooled TEG with rated theoretical output of 200 watts
Project Owner Contributor

High Powered Thermoelectric Generator (TEG)

capt-flatus-oflahertyCapt. Flatus O'Flaherty ☠

4.9k
53
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

5k
48
37
A modular system for multimodal hands-free music control, wind instrument development and general human computer interaction.
Project Owner Contributor

Multiwind

chris-grahamChris Graham

5.2k
38
40
A pocket sized smart device for charging your phone everywhere
Project Owner Contributor

Brian Box

marius-taciucMarius Taciuc

2.7k
195
24
A geometric object that lights up and plays music
Project Owner Contributor

Bucky Glow

jonathan-bumsteadJonathan Bumstead

8.3k
37
25
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

8.1k
43
31
An open source inexpensive function generator
Project Owner Contributor

Inexpensive function generator

dl101DL101

142
153
2
Monitoring the real-time clock on LCD from the smartphone using 1Sheeld and its companion Android/iOS App.
Project Owner Contributor

Arduino Digital Clock using 1Sheeld

amrmostaafaaamr.mostaafaa

2.9k
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

3k
16
16
Actuators that use a hydraulic medium to transfer material phase displacement as a thermally reactive mechanical force
Project Owner Contributor

Fluid Displacement Thermal Actuators

andrew-bensonAndrew Benson

23.1k
115
101
Infinity Flashlight Powered by Your Own Body Heat
Project Owner Contributor

Body Heat Powered Flashlight

wasim-sahuWasim Sahu

9k
67
49
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

failed to load.

Going up?

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

© 2024 Hackaday