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Projects ohmohm likes and follows

3.5k
4k
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Thermionic energy conversion isn't very efficient (it's also nothing new) but they *are* photovoltaic devices you can build with a torch
Project Owner Contributor

Glass Tube Solar Thermionic Converters

nick-pooleNick Poole

79.1k
458
368
A small Portable Wind Turbine, mostly 3D printed!
Project Owner Contributor

3D PRINTED PORTABLE WIND TURBINE

adriancubasadriancubas

31.2k
252
264
Make Beautiful Big Labels Practically for Free
Project Owner Contributor

Masking Tape Plotter

michimartinimichimartini

24.9k
117
104
portable flexible panel + MPPT controller + solar tracker system less than 55 USD ????
Project Owner Contributor

Low cost solar panel solution (MPPT + sun tracker)

jp-gleyzesJP Gleyzes

6.3k
80
68
Bring your own clean power. Pack a Kite Turbine in your EV
Project Owner Contributor

Energy Independence While Travelling

roddy-rags-readRoddy "Rags" Read

12.3k
72
70
PCB linear motors offer a different approach to powering tiny scale model trains, cars, boats, etc.
Project Owner Contributor

PCB Linear Motors for Model Trains

martinMartin

6.3k
72
75
Harvesting electricity with the help of moss dwelling microorganisms!
Project Owner Contributor

Moss Microbial Fuel Cell

guru-sanGuru-san

7.7k
63
45
Automate Plant Care
Project Owner Contributor

Plant Bot | Automate Plant Care

yjYJ

6.8k
58
52
monitor the health of trees and fruit
Project Owner Contributor

OpenDendrometer

john-opsahlJohn Opsahl

5.4k
58
47
A power supply solution for products requiring up to 600mA @ 5V from 2 x 55F Capacitors and small 5V Solar Panel
Project Owner Contributor

Solar Super Capacitor Power Supply

darryl-normanDarryl Norman

10.8k
56
50
Saving the planet, one obsolete chip at a time
Project Owner Contributor

ABN6502 SBC R1

anders-nielsenAnders Nielsen

4k
40
40
An open project to bring new functionalities to vintage phones with the nice old rotary, keeping their fascinating vintage style alive.
Project Owner Contributor

Vintagephone - old rotary phone retrofitting

giulio-ponsGiulio Pons

5.7k
37
35
Recreation of a Sinclair ZX81 (dual rom 80/81) based on Grant Searle's project.
Project Owner Contributor

ZX80/81 Homebrew Clone

augusto-baffaAugusto Baffa

4.3k
27
34
I am making a full sized MCM/70 reproduction, a Canadian personal computer from 1974.
Project Owner Contributor

MCM/70 Reproduction

michael-gardiMichael Gardi

3.5k
26
21
Via MKR GSM 1400, collate water quality data from resources over GPRS to train a Neuton model, run the model, and transmit results via SMS.
Project Owner Contributor

GSM & SMS Enabled Water Pollution Monitor

kutluhanaktarkutluhan_aktar

6.4k
20
15
Extremly sensitive electromagnetic field measurement device made with the Arduino microcontroller.
Project Owner Contributor

Arduino EMF (Electromagnetic field) detector

mircemkmircemk

2.2k
18
15
A solar powered biomass degrader to produce a renewable clean fuel (Hydrogen) from any biomass.
Project Owner Contributor

Solar-Pyrolysis

dennisDennis

5.7k
17
14
Small (almost pocket size) DIY 3D printed generator.
Project Owner Contributor

3D Printed hand-crank/gravity generator

chlebaChleba

1.1k
10
22
Wooden keypad with cypher numerals.
Project Owner Contributor

Cistercian wooden keyboard

tauno-erikTauno Erik

1.2k
5
9
Convert your disused treadmill into a generator that can power a TV!
Project Owner Contributor

Human Powered Generator

amitabh-shrivastavaAmitabh Shrivastava

1.5k
2
3
Connecting Raspberry Pi HATs Wirelessly with PiSquare Launching on Kickstarter
Project Owner Contributor

£9 PiSquare Can Connect Multiple HATs Wirelessly

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