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316 projects
731
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11
Two small projects to use an old oscilloscope as character display. One is a clock, the other a scrolling text that uses only a micro.
Project Owner Contributor

Oscilloscope as text display

emilio-pg-ficaraEmilio P.G. Ficara

687
8
8
Anemometer is an instrument that measures the speed of the wind.
Project Owner Contributor

DIY Precise Arduino Anemometer with Linear Scale

mircemkmircemk

28.5k
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

126
0
1
Hack it back water heaters
Project Owner Contributor

Water heater rebuild

andrew-davisAndrew Davis

126
0
0
I modified a jack in the box with some new surprises
Project Owner Contributor

Hacking a jack in the box

franklinsteinFranklinstein

513
3
3
In the absence of landlines, we added WiFi to a retired CallerID display to auto-set time and show custom messages
Project Owner Contributor

Olympia Infoglobe Goes Back Online

andy-kongAndy Kong

2.4k
32
24
Developing a method for solar power generation and storage without dependence on advanced technologies such as solar cells and batteries.
Project Owner Contributor

Solar-Hydro

kevin-kosterKevin Koster

4k
4k
70
A fully open-source digital power electronics technology framework for fast prototyping switch-mode power supplies
Project Owner Contributor

DIY Power for all - OwnTech

jean-alineiJean Alinei

331
7
6
This project documents the design of a modular cyclone dust extractor to complement an existing vacuum cleaning system.
Project Owner Contributor

Dust Extractor Module

nelson-phillipsNelson Phillips

784
0
4
Melt disposable masks into ear savers for more masks!
Project Owner Contributor

Ear Savers From Garbage Masks

blorggggblorgggg

2.2k
4
5
A small project that allows running fullscreen versions of Mac OS 7/8/9 with sound, online connection and modem emulation under Raspberry Pi
Project Owner Contributor

MacintoshPi

jarosaw-mazurkiewiczJarosław Mazurkiewicz

1k
1
5
Got an irreparably broken TRS-80 Voice Synthesizer? Give it a brain, um voice transplant!
Project Owner Contributor

Voices of the past, speak up!

michael-wesselMichael Wessel

10.6k
67
74
A tiny board with AEM10941 solar harvesting IC charging a Lithium Ion Capacitor
Project Owner Contributor

Solar harvesting into Lithium Ion Capacitor

jasper-sikkenJasper Sikken

14k
98
81
Portable spot welder that doesn't need microcontrollers, uses recycled industrial thyristor and mostly off-the-shelf components
Project Owner Contributor

Not-so-smart capacitive discharge spot welder

wojciech-adalbert-jWojciech "adalbert" J

369
1
2
How we saved 67 % of Gas for Warmwater Heating in our 3 story appartment with a Telegram Bot and a Sonoff Wifi Socket
Project Owner Contributor

67 % Gas Reduction for Warm Water with a Chat Bot

ulrichUlrich

4.9k
4.9k
26
Wireless USB dongle (868MHz) for home automation to improve the indoor air quality (IAQ)
Project Owner Contributor

Fresh air automation by RF usb dongle

marcelMarcel

367
1
1
Hack it Back & Save the World
Project Owner Contributor

KoloS

a1ex-13A1ex-13

5k
40
51
Tiny, solar-powered gaming console driven by an ATtiny10 with a firmware of just 780 bytes.
Project Owner Contributor

RunTinyRun

ridolucridoluc

9.1k
115
92
This tiny box can measure air temperature, humidity and pressure but also much more like CO, eCO2, NO2, NH3 and dust concentrations!
Project Owner Contributor

Solar Powered Air Quality Monitoring Station (IoT)

ovidiuOvidiu

282
1
2
This project is about new kind of plant growing mechanism that utilizes water 100%.
Project Owner Contributor

Rotary crop

anteneh-gashawAnteneh Gashaw

330
3
3
An open source project to produce tooling for the manufacturing of formwork for the construction industry.
Project Owner Contributor

Modular Interconnecting Formwork System

james-rowlandsJames Rowlands

88
5
7
A blast from the past - or a call from the past?
Project Owner Contributor

Taking a Rotary-Dial Phone Into the Future

talofer99talofer99

1.1k
8
9
A cool old flip clock that originally runs on a master clock is rebuilt for stand alone home use. This will work for most slave clocks.
Project Owner Contributor

Bodet Flip Clock Hacked back to the Present

isaxiSax

710
0
5
An antique intercom that we use every day for our apartment block.
Project Owner Contributor

Vintage Intercom Re-purposing

peter-balchPeter Balch

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