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Jens Hauke

Software developer - freelancer. nRF51/nRF52, nRF24, ESP8266, AVR (ATmega, ATtiny), STM32, MSP430...

Düsseldorf, Germany

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This user joined on 09/01/2016.

My Projects

The 2018 Hackaday Prize

A charlieplexed 20 LED blinker with ATTiny45. Space efficient daisychained LED placing with shared anode/cathode soldering pads.

LED ring

The 2018 Hackaday Prize

A persistence of vision (POV) display with five 0805 LEDs piggy back on an ATTiny13.

Tiny POV

Using six 0402 LEDs to simulate a rotating emergency light

Rotating LED micro beacon

Projects I Like & Follow

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

Hackaday Prize 2019

System for monitoring conditions of plants and weather conditions at agricultural fields

eAgrar - digital agriculture

Slaven Damjanovic

I was inspired when I saw clock made by Humans Since 1982. One year ago I made one. Now it is time to share how I did it.

digital clock made of analog clocks

Hackaday Prize 2019

I fancied making the smallest possible inspection bot I could and here is what I ended up with, measuring just 65x40x30mm!

Nano Fpv Tank Inspection Bot

The 2018 Hackaday Prize

nRF52832 ECG fitness tracker hacked into EEG glasses using Arduino code + detect concentration/relaxation with neural network web app

Hacking a $35 ECG nRF52 Fitness Tracker into EEG

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

This PCB footprint allows you to use 3mm x 6mm edge of PCB and a SOIC-8 clip as a cheap and space-efficient connector

SOICbite Programming/Debug Connector Footprint

This projects tracks my efforts to develop discrete LED-Transistor logic building blocks and designing a CPU from them.

LCPU - A CPU in LED-Transistor-Logic (LTL)

A games console that plays ATtiny85 games cartridges. Rotating screen to play both landscape and portrait games.

Tiny Joypad Variant

Supplyframe DesignLab: 2022 Hackada…

Tiny, solar-powered gaming console driven by an ATtiny10 with a firmware of just 780 bytes.

RunTinyRun

ridoluc ridoluc

IKEA Hack: Make the Duktig kitchen microwave a little bit more realistic.

A microwave interface for the Duktig kids kitchen

The 2018 Hackaday Prize

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

TapTDOA

Hackaday Prize 2019

A DIY flexible keyboard project; instead of using silicone, a SLA highly flexible resin is used.

DIY Flexible keyboard without using silicone

Madaeon Madaeon

New World Record 5mmx5mmx5mm...

Smallest 4x4x4 LED Cube Yet

Extremely simple Metal Detector whose making requires only one cheap integrated circuit TL084.

DIY Super Simple Sensitive Metal Detector

mircemk mircemk

A binary calculator and binary clock in a handheld format using circuit sculpture building techniques. 328p, MCP7940 RTC, TLC5928 LED driver

Binary Calculator

I still can't believe it's working.

A different kind of programmable LED

Chalieplexed led eyelashes. Used during bodypaint competitions.

Led eyelashes

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Bits

Morning.Star wrote 09/12/2018 at 15:11

Hey Jens :-) Thanks for the like #Smallest 4x4x4 LED Cube Yet

Keep watching, my 0402s just arrived. ;-)

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Kris Winer wrote 05/14/2018 at 15:37

Thanks for following my $25 Spectrometer project!

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Wassim wrote 04/14/2018 at 08:27

Thanks for following #nRF52 Custom Sensor Nodes , it's still on concept phase, so suggestions are welcome.

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