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Marian Keller

Changing the world to the better is hard, but what would stop me from trying?

Konstanz, Deutschland
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3 Projects
12 Likes
marian-keller
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This user joined on 08/15/2015.

1.3k
654
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Integrated AHRS and sensing platform for gliders and GA aircraft with Bluetooth interface
Project Owner Contributor

AHRS platform for gliders

Marian KellerMarian Keller

335
2
0
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Designing a cheap and easy to build drinking water treatment device for up to 10 people
Project Owner Contributor

Cheap drinking water treatment

Marian KellerMarian Keller

290
2
2
0
Developing a computer interface for a real aircraft CDI that provides all necessary control signals
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Interfacing a Course Deviation Indicator

Marian KellerMarian Keller

63.3k
830
27
583
A 2.5mm thick flexible smart watch with e-ink display, BT 4.0, and health sensors.
Project Owner Contributor

Flexible Smartwatch

Nick AmesNick Ames

60.5k
1.4k
77
483
A smaller and cheaper open source brushless motor
Project Owner Contributor

PCB Motor

Carl BugejaCarl Bugeja

30.2k
415
2
182
Follow this project to learn how to use FPGAs and incorporate them into your projects.
Project Owner Contributor

The Hobbyists Guide to FPGAs

Luke ValentyLuke Valenty

27k
779
55
255
HeartyPatch is a fully open-source, IoT connected, BLE enabled heart-rate variability & ECG patch with great accuracy
Project Owner Contributor

HeartyPatch: A single-lead ECG-HR patch with ESP32

Ashwin K WhitchurchAshwin K Whitchurch

20.5k
250
47
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Small and powerfull controlling unit powerd from USB-C-PD
Project Owner Contributor

USB-C-PD Soldering Pen for Weller RT Tips

Thomas LeputschThomas Leputsch

17.8k
432
25
154
Itsy-chipsy is a chip platform that enables a multi-block service like-oshpark capable to offer area for your own chip, for as low as $100.
Project Owner Contributor

Itsy-Chipsy: Make your own $100 chip

OnchipOnchip

14.8k
920
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This project describes the use of Raspberry Pi as an IoT connected vital signs monitor. The HealthyPi HAT for Raspberry Pi used.
Project Owner Contributor

Connected Health: Open source IoT patient monitor

Ashwin K WhitchurchAshwin K Whitchurch

14.1k
208
14
148
Biomedical Imaging project using AC currents.
Project Owner Contributor

Spectra: Open Biomedical Imaging

jeanjean

12.4k
908
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My goal is a 4-bit CPU using recycled cardboard substrate and Diode Transistor Logic. This is an educational platform for me.
Project Owner Contributor

The Cardboard Computer - IO is my name

Dr. CockroachDr. Cockroach

12.3k
87
10
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Open Source Avionics for Microlights and other Non-Type-Certified Aircraft
Project Owner Contributor

ModAir - Modular Aviation Instruments

ReneRene

6.1k
543
7
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Restoring a classic bit of aviation history with a modern twist
Project Owner Contributor

Boeing 747-200 PMS/CDU Restoration

Jeremy GilbertJeremy Gilbert

6k
20
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Affordable and pretty simple to build framed laser harp using cheap laser pointer modules and a Teensy 3.2
Project Owner Contributor

Laser Harp I

Johan BerglundJohan Berglund

4.9k
893
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Tomographic scanner using my X-Ray machine, a simple motor to rotate the object and a reconstruction software
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X-Ray CT Scanner

Fran PiernasFran Piernas

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Projector-camera augmented reality electronics workbench
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AR Workbench

Ted YapoTed Yapo

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17
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My attempts at replicating what Polymagnet are doing
Project Owner Contributor

(re)Mangetizing neodymium magnets

DeepSOICDeepSOIC

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20
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The S1-AU Mk1 is a 4-bit arithmetic unit, designed to help you explore the guts of computing.
Project Owner Contributor

S1-AU Mk1: a 4-bit arithmetic unit

ARITH-MATICARITH-MATIC

902
405
6
15
A protesting robot that you can control from anywhere.
Project Owner Contributor

ProBot - The Protesting Robot

Vitor Hugo Abreu AguiarVitor Hugo Abreu Aguiar

314
5
3
8
ping, pong, ping, pong, ...
Project Owner Contributor

Ping Pong Pi

Tobias KuhnTobias Kuhn

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prokingvan wrote 10/24/2018 at 09:43 • point

我是 proking .（84）

  Are you sure? yes | no

Dr. Cockroach wrote 03/27/2017 at 00:49 • point

Good evening and thank you for liking my Cardboard Computer project :-)

  Are you sure? yes | no

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