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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

Projects I Like & Follow

Hackaday Prize 2019

Homemade 8MHz Z80 SBC, 128kB banked RAM, RTC, SD (HD emulation), Basic and Forth interpreters, CP/M 2.2 and 3, cross Assembler and C (SDCC)

Z80-MBC2: a 4 ICs homebrew Z80 computer

Hackaday Prize 2019

Modular Open Source Hardware Tablet that is easy to hack and can run a standard Desktop Linux Distribution (or Android)

DLT one - A Damn Linux Tablet!

Prof. Fartsparkle

A tiny homemade radio telescope I built which can take pictures IN RADIO... i guess i was just bored

Tiny Radio Telescope

Gonçalo Nespral

Hackaday Prize 2019

Opensource, inexpensive, mobile thermal camera for use in electronics, home inspection, non-contact thermometer, heat distribution and more.

Open Thermal Camera

Hackaday Prize 2019

The Probe-Scope is an open source 60MHz 250Msps oscilloscope probe with all guts built right in, that plugs directly into your PC via USB

60MHz Bandwidth 250Msps Probe-Scope

Hackaday Prize 2019

A microprocessor built with TTL chips. In one square inch.

1 Square Inch TTL CPU

Augmented Reality glasses using modified lowcost Android phones

Less than $100, high FOV, mobile AR glasses

The 2018 Hackaday Prize

Documentation of the 3rd generation of my ultrasonic phased array project. Levitating stuff, directional speaker, haptic feedback and more!

Open Source Ultrasonic Phased Array

A fully hardware debounced rotary encoder.

Hardware Debounced Rotary Encoder

By means of motor vectoring

Model rocket with active stabilization

An attempt to design and deliver universal and accessible radiaton analyser to be used in nuclear spectroscopy

Gamma PIN - Semiconductor Radiation Detector

Marcin Wachowiak

Final project for MIT's 6.013 Applications of Electromagnetics

Doppler Radar

The 2018 Hackaday Prize

Turn almost any flat surface into a sensor using cheap piezos and time difference of arrival.

TapTDOA

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

Vacuum tube amplifier supplied entirely by 3.3V

Albert van Dalen

A Unix-a-like OS for 8bit and other older micros

Fuzix OS

Generates fully compliant 640x480 @ 60Hz VGA syncs and blanking signals with a low number of standard TTL ICs

TTL640x480

matseng matseng

My aim for this project is to create a slightly larger radio telescope, which is able to observe signals on the 21cm hydrogen line

Slightly bigger radio telescope

Gonçalo Nespral

We have extended our line of STM32L4 development boards to the STM32L4S9 to enable adding fast, low-power external SRAM

STM32L4S9 Development Board with External SRAM

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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