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Projects Killergeek likes and follows

4.8k
740
21
Building a semi-practical backyard railway using parts from the local hardware stores, and 3D printing for the rest (for now)
Project Owner Contributor

Somewhat 3D printed backyard railway

otis-rowellOtis Rowell

2.5k
574
9
Tracking the location of Bluetooth beacons using ESP32 and a home made 2.4 GHz directional antenna
Project Owner Contributor

Bluetooth Tracker

anonAnon

10.9k
63
57
A SCPI programmable precision resistor
Project Owner Contributor

Programmable Precision Resistor

sebastianSebastian

4.4k
32
21
Getting battery data out out of the OBD-II diagonostic port
Project Owner Contributor

UDS Vehicle Data Logger

floFlo

1.9k
23
21
A very useful test fixture to convert the voltage or impedance seen on its input to a variable frequency audible tone
Project Owner Contributor

Beeper Box: Analog V2F

john-guyJohn Guy

2.2k
19
17
Development board for the CH551G, CH552G and CH554G microcontrollers with native USB 2.0 and Arduino IDE support.
Project Owner Contributor

CH55xG Development Board

stefan-wagnerStefan Wagner

4.4k
19
27
I built a discrete UART reciever using transistors, resistors and LEDs for my school project. It contains ZERO ICs. And it works. :)
Project Owner Contributor

Analogue/discrete UART reciever

jol-de-kanterJoël de Kanter

1.8k
18
14
The classic HP-16C Programmer's Calculator, re-imagined using the Raspberry Pi Pico
Project Owner Contributor

The Pico 16C, an homage to the venerable HP-16C

kjohKJoh

4.2k
15
12
Open source serial adapter / reboot controller for Apple Silicon Macs
Project Owner Contributor

Central Scrutinizer: a serial adapter for M1/M2/M3

mazmaz

2.8k
15
18
Bring any old phone to life, no disassembly required!
Project Owner Contributor

The Phone Friend

stephSteph

918
14
15
Library for Noritake Itron GU3000 series (GU3100 and GU3900) VFD module parallel interface graphic DMA mode for Raspberry Pi
Project Owner Contributor

Graphics Library for Noritake Itron Dot Matrix VFD

ryo-mukaiRyo Mukai

344
13
9
A GPS Disciplined Network Time Server with a Local Display
Project Owner Contributor

GPS Network Time Server

bharbourBharbour

919
12
17
Put a bit of colorful randomness on your clothes !
Project Owner Contributor

Dice badge

pierre-loup-mPierre-Loup M.

1.9k
9
15
Each line of the breadboard has an LED that glows based on the voltage on that line
Project Owner Contributor

Lightup breadboard

rasmusviil0rasmusviil0

1.1k
7
4
This is a simple solution to make one Arduino talk to 2 different CAN BUS Lines at the same time.
Project Owner Contributor

2 CANs one Arduino

bauminventionsBaumInventions

445
6
6
Development board for the CH552T, CH554T and CH559T microcontrollers with native USB 2.0 and Arduino IDE support.
Project Owner Contributor

CH55xT Development Board

stefan-wagnerStefan Wagner

489
6
5
My take on the classic Polivoks VCO
Project Owner Contributor

MSynth Polivoks VCO

ivan-demyachenkoIvan Demyachenko

395
5
4
None of that 3 outlet rubbish! Power strip with eight Wi-Fi controlled AC outlets.
Project Owner Contributor

Full byte power strip

ivan-stepaniukIvan Stepaniuk

1.8k
5
3
Portable 3-channel device to measure current, voltage, and power. It also can calculate the efficiency of DC-DC converters.
Project Owner Contributor

Portable DC power meter

strangerandstrange.rand

494
4
13
Because every meeting needs a BS detector...
Project Owner Contributor

Monsters Inc. Scream Canister Replica

ervplectererv.plecter

911
2
3
HP437B power meter examination
Project Owner Contributor

HP437B power meter teardown

keithKeith

Going up?

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