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Projects Martin likes and follows

13k
1.3k
149
Very simple Tesla Coil - 3 components only = LED, BUL45D2G transistor and 82K resistor
Project Owner Contributor

Easy Open Tesla coil on PCB

bobriciusbobricius

2.5k
1.1k
67
Hope RF module + Atmega 328
Project Owner Contributor

900 MHz radio

sophi-kravitzSophi Kravitz

916
903
15
Project includes detailed schematics, Altium PCB files and schematics of the build.
Project Owner Contributor

13.56MHz Wireless Powered Drone

alireza-dayerizadehAlireza Dayerizadeh

3.2k
758
34
Alarm clock with ramp-up light and music to get you out of bed on cold winter mornings
Project Owner Contributor

Sunrise Alarm Clock

the-big-oneThe Big One

8.5k
340
21
Homebrew pulse metal detector on Arduino Nano
Project Owner Contributor

FoxyPI - Arduino Nano metal detector

alexey-voroninAlexey Voronin

3.4k
142
26
Reduce weight and build a Yagi antenna using your hiking pole and Arrow Antenna elements
Project Owner Contributor

Hiking Pole Yagi Antenna

stuart-kb1hqsStuart, KB1HQS

4.4k
53
51
A reprogrammable replica of the famous TIL311
Project Owner Contributor

DIYTIL311

jacob-stillJacob Still

7.4k
46
46
Affordable photography tool used to capture images of bullets with no apparent motion blur
Project Owner Contributor

Edgerton, A High-Speed LED Flash

tyler-gerritsenTyler Gerritsen

3.9k
37
35
A mostly 3D printed automated cat feeder (part of my SCADA)
Project Owner Contributor

IoT cat feeder

stefanschnitzerstefan.schnitzer

2.4k
33
24
Using an Espruino Pico with WiFi shim to notify me when the ISS is over my location
Project Owner Contributor

Espruino ISS Notifier

ben-harveyBen Harvey

17.8k
31
23
Playing vacuum tube is not so difficult as expected. Let's play great heritage of human being by modern technology!
Project Owner Contributor

Vacuum tube game in 21st century

kodera2tkodera2t

2.8k
28
30
Microwave synthesizer - experiments with microwave black magic
Project Owner Contributor

Microwave synthesizer 4-7GHz

michal777michal777

10.6k
23
9
A desultorily executed Weak Signal Propagation Reporter beacon.
Project Owner Contributor

Careless WSPR

ziggurat29ziggurat29

417
20
14
We're Going to the 36th Chaos Communication Congress, and You're Coming With Us!
Project Owner Contributor

[Hackaday] @ 36C3

elliot-williamsElliot Williams

1.9k
20
13
A self-balancing inverted pendulum with swing-up capability.
Project Owner Contributor

Reaction Wheel Pendulum

am-smithA.M. Smith

922
20
16
I have an unnatural attraction to vintage, rare, expensive, obsolete displays ... so naturally I decided to buy a bunch!
Project Owner Contributor

Custom PDSP-1881 32x4 LED Character Display

sjm4306sjm4306

2.2k
14
13
Fully automated, 3D printed cat feeder, with cloud hosted dashboard, measuring cat and food weight few times per second.
Project Owner Contributor

The Ultimate, Cloud Cat Feeder

pwestpwest

1.6k
11
11
LED roulette wheel using a 555 and 4017 decade counter.
Project Owner Contributor

555 Roulette Wheel

kristina-panoskristina panos

8
8
How can I spend >$100 and >100 hours to save $1 a year on air filters? They say to replace them every month, but is that really true?
Project Owner Contributor

When should I replace my A/C air filter?

tim-rightnourTim Rightnour

1.6k
5
4
Various GPS receivers from different centuries can have varying localization quality. I set out to understand the differences.
Project Owner Contributor

GPS Receiver Configuration and Comparison

timo-birnscheinTimo Birnschein

3.2k
4
5
A passive display to show your current speed to the following car.
Project Owner Contributor

Rear car speedometer

muthMuth

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