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Jens Hauke

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

Düsseldorf, Germany
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10 Followers
45 Following
3 Projects
85 Likes
jens-hauke
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This user joined on 09/01/2016.

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

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A persistence of vision (POV) display with five 0805 LEDs piggy back on an ATTiny13.
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Using six 0402 LEDs to simulate a rotating emergency light
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A smaller and cheaper open source brushless motor
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AMS's new AS7265X 3-chip set promises a compact, 18-channel, 20 nm FWMH spectrometer for less than $25
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cordwood + smt + jewelry + blinkies + zinc-air batteries
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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.
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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.
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digital clock made of analog clocks

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Less than 10$ educational platform with micro magnetic robot (mBot), only 6 GPIO to move in unlimited X/Y 2D space
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Documentation of the 3rd generation of my ultrasonic phased array project. Levitating stuff, directional speaker, haptic feedback and more!
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nRF52832 ECG fitness tracker hacked into EEG glasses using Arduino code + detect concentration/relaxation with neural network web app
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Hacking a $35 ECG nRF52 Fitness Tracker into EEG

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IKEA Hack: Make the Duktig kitchen microwave a little bit more realistic.
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New World Record 5mmx5mmx5mm...
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Turn almost any flat surface into a sensor using cheap piezos and time difference of arrival.
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A games console that plays ATtiny85 games cartridges. Rotating screen to play both landscape and portrait games.
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A DIY flexible keyboard project; instead of using silicone, a SLA highly flexible resin is used.
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Morning.Star wrote 09/12/2018 at 15:11 • point

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

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

  Are you sure? yes | no

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

Thanks for following my $25 Spectrometer project!

  Are you sure? yes | no

Wassim wrote 04/14/2018 at 08:27 • point

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

  Are you sure? yes | no

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