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Johannes

I'm an electrical engineer and I like to create things for fun.

Germany

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This user joined on 06/26/2018.

My Projects

An exposure box for PCBs made of UV LEDs

PCB exposure unit

This project's goal is to gather 3D images via ultrasonic distance measurements and a sensor array.

Ultrasonic 3D scanner

A diy wide angle lens for my reflex camera

Lens for a reflex camera

Receiving 1.7GHz HRPT signals from NOAA satellites

Dish Rotator for NOAA images

Projects I Like & Follow

Open source multimeter that measures more for less

DIY 6-digit multimeter

Quadrifilar helix antenna for GPS/GNSS

Active GNSS antenna

Marc-André Denis

2021 Hackaday Prize

low power laser projector for AR glasses to display vector graphics

AR Glasses

A collapsible table projection system for tracing and cutting patterns and plans

Pattern/Plan Projector

For artists, vinyl stores, recording studios, or music lovers

VinyGo, a stereo vinyl recorder

mras2an mras2an

Do you answer their call?

A Traveler Has Arrived

6J2 vacuum tube preamp with 3.3V filament and plate voltage

Vacuum tube amplifier supplied entirely by 3.3V

Albert van Dalen

2021 Hackaday Prize

The PySpectrometer is a Python (OpenCV and Tkinter) implementation of an optical spectrometer for the Raspberry Pi.

Raspberry Pi Spectrometer

Fully manual twin-lens reflex instant film camera

L2 Camera

Vladimir Gorshenin

A unique way to add linear motion to a 3D print without using any external hardware.

Putting the flex on flexures

Future proofing an old soviet Avrora 215 Super-8 camera

Digital Super-8 camera

2021 Hackaday Prize

An opensource compact ultrasonic anemometer/weather station

QingStation, Ultrasonic Anemometer/Weather Station

Transfer digital pictures on to analog b&w paper with a monochrome LCD and a darkroom.

Digital Picture to Analog Darkroom print

The Journey Begins

Failbot Failbot

The third iteration of direct digital UV printer / exposure unit for alternative print making

Direct digital negative UV printer - MkIII

2021 Hackaday Prize

The Slootmotor is the one vehicle that truly delivers an alternative. Powered by self-harvested fuel, straight from local sources.

UITSLOOT

D62 F230 Achromat Telescope for astrophotography.

Pringles Astrophotography

2021 Hackaday Prize

Easy to build workbenches, that you can hand a cut-list to the big-box-store and assemble at home with glue and screws and simple tools

OpenWorkbench

Peter van der Walt

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Bits

roelh wrote 11/04/2019 at 08:50

Hi Johannes, thanks for liking the #1 Square Inch TTL CPU !

Are you sure? yes | no

Kris Winer wrote 10/20/2019 at 22:39

Thanks for following my STM32L4S9 Development Board with External SRAM project!

Are you sure? yes | no