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j

M. Eng. / Applied physics / Medical physics / Electronics / μC / Maker

Berlin, Germany

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This user joined on 11/08/2018.

My Projects

compact 18 channel Spectrometer (Vis & NIR) RAW-Data, reflection & transmission coefficient

Compact 18 channel Spectrometer

What started with one stepper-motor ended up in a 6-DOF scientific microscope with control station and HDMI-output.

6 degree of freedom - microscope

with driver chips and tubes from 1972/73 ! The Seconds get dimmley displayd on the Minutes tubes.

Another Nixie Tube Clock (sorry) , except..

ESP32 based LORA Pager

LoRa Pager

Its a replica of a diy 3$ EC-Meter.

EC-Meter - HDR 16-bit ADC

Upcycled GamePort Joystick. Arduino Nano based Bluetooth communication sending G-Code to a 3d-printer.

G[-Code]oy-Stick

View all 26 projects

Projects I Like & Follow

Wearable prototype breadboard used as LED wristwatch

Breadboard Wristwatch

Modified Chroma74 shelf label to be my weather station display. It is 7.4" 3-Color E-Ink units that cost $12 on eBay.

7.4" E-Ink Shelf Label used as a Weather Station

Modern take on TIL311 and reimagination of #PICTIL optimized for easier production and lower part count

reTIL

A real-life invisibility shield inspired by Harry Potter's invisibility cloak.

Invisibility Shield

An electro-mechanical Valentine Day automaton with an 18 layer heart.

A 3D Printed Valentine For My Wife, With A Twist.

GETULA

ekaggrat singh kalsi

A self mixing laser interferometer made with inexpensive components

$1 Laser Interferometer

Kirlian photography is named after Semyon Davidovich Kirlian who began his work with high voltage photography in 1939.

DIY a High Voltage Kirlian photography device

mircemk mircemk

Wokwi Arduino Simulator is better in terms of features expected out of an Arduino Simulator in 2021. A brief introduction is given here

Why Wokwi is the Best Arduino Simulator in 2021?

Indoor Grow Room with Raspberry Pi + sensors

Raspi-Grow

This clock uses 4 vertical slides that contain the numbers and stepper motors position the slides so to display the correct time.

Slide Clock

Display last day energy consumption on an eink display (esp32 based)

Linky Daily Consumption

Building a camera that turns polarization into color

DIY Polarimetric Camera

Get scared the crap out using insanely bigger version of controller rumble which works same as controller.

Controller Rumble is not enough to feel the game

This project is a big challenge: build a 741 opamp with discrete transistors on a PCB in DIL8 size

Discrete 741 operational amplifier in DIL8

Albert van Dalen

Upgrading the ±20ppm clock with a ±1ppm TCXO

FY6900 Arbitrary Waveform Generator Clock Upgrade

Play without annoying the neighbors

Electronic 6-hole Ocarina

Advanced measurement techniques with the Rigol DS1054Z oscilloscope - Measure permanent magnets

Know your place, trace! - Oscilloscope vs. Magnet

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Bits

danjovic wrote 07/10/2020 at 19:40

Thank you for liking my #Megadrive PC !

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Miguel Risco-Castillo wrote 05/11/2020 at 20:19

Thank you for the like!

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nj1337 wrote 03/13/2020 at 11:03

Hey, thanks for following my project =)

https://hackaday.io/project/170353-psf-portable-soldering-filter

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j wrote 03/13/2020 at 11:10

No, thank you for the great idea and stl-files. I'll make me one soon (:

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Kris Winer wrote 05/08/2019 at 16:05

Thanks for following my MAX32660 Motion Co-Processor project!

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