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Peter Ullrich

Hardware Developer with special interests in music electronics like symthesizers.

Austria, near Vienna
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peter-ullrich
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This user joined on 01/17/2019.

18.9k
2.9k
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66
nRF52832 ECG fitness tracker hacked into EEG glasses using Arduino code + detect concentration/relaxation with neural network web app
Project Owner Contributor

Hacking a $35 ECG nRF52 Fitness Tracker into EEG

curt-whiteCurt White

11.3k
6k
9
30
Use a Kodak projector and DSLR camera to automate digitizing slide photography
Project Owner Contributor

Kodak Slide Projector Scanner

bryan-howardBryan Howard

10.2k
1.6k
0
7
A portable, high power subwoofer and speaker with custom passive radiators that can connect to and sync with 5 external Bluetooth speakers.
Project Owner Contributor

Bluetooth Speaker System with Powerful Bass

sam-pullmanSam Pullman

9.9k
2.7k
15
36
$25 wearable device development platform: nRF51 ARM CortexM0 w/ Bluetooth, accelerometer, 16x64 OLED, vibration motor, HR sensor, battery
Project Owner Contributor

Hacking a $25 nRF51 ARM Cortex Activity Tracker

curt-whiteCurt White

8k
1.3k
7
88
A 3d printed, motorized, and hackable telescope base with star-finding capabilities built on a raspberry pi zero.
Project Owner Contributor

pisolaris

josh-coleJosh Cole

5.1k
5.1k
4
43
Self-Powered IoT Node for Environmental Sensing
Project Owner Contributor

SPINES Mote

macro-yauMacro Yau

2.8k
16
19
16
A breadboard friendly 4-bit full hex decode board based on GAL16V8 chip.
Project Owner Contributor

4-Bit Full Hex Decoder

daves-dev-labDave's Dev Lab

2.7k
781
1
6
Simple ESP32-based robot controlled with ESP8266-based wifi remote
Project Owner Contributor

Robo32

matthew-gorrMatthew Gorr

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2k
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18
Built an autonomous ground vehicle from a recycled wheelchair. Designed to traverse outdoor environments autonomously. ROS based.
Project Owner Contributor

AlexBot

alex-mcclungAlex McClung

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1.6k
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6
An open source, Arduino-based oceanographic instrument for salinity, temperature, and depth.
Project Owner Contributor

Arduino-based CTD

ian-blackIan Black

1.5k
1.4k
3
7
This is just a hexapod made in a 3d printer to educational and ertertainment pourposes
Project Owner Contributor

3D Printed Hexapod

vincius-jean-ferreiraVinícius Jean Ferreira

1.3k
1.3k
3
16
ALio is the new prototype board design that combine SMD and PTH at the same time. In short you are freely to use SMD or PTH without much ext
Project Owner Contributor

ALio : New Hardware Prototyping Platform.

arief-ibrahim-adhaarief ibrahim adha

975
975
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13
Design and control colorful pixels wirelessly to create amazing accent lights, wearables, and more!
Project Owner Contributor

Pulsar 2.0 | Smart, Wireless, Wearable LED Pixels

acrobotic-industriesACROBOTIC Industries

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Automatic Turn On After Power Up for Teufel Audio Receiver and Subwoofer
Project Owner Contributor

Audio Receiver & Subwoofer - Auto On

doubleyouDoubleyou

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918
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A reactive LED Strip for my work Desk.
Project Owner Contributor

1-D Music Visualizer

varshith-solipuramVarshith Solipuram

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612
2
12
Remote controlled vehicle with two trailers is going reverse and steers automatically
Project Owner Contributor

Automatic reverse with two trailers

yuval-lombrozoyuval lombrozo

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626
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8
A while ago, I bought some interesting surplus tube display boards. I reverse engineered and got them working again with a custom driver.
Project Owner Contributor

Old Russian VFD module converted into a clock

cselzeycselzey

791
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Synchronized LED Light Show
Project Owner Contributor

BlinkNet

alex-bowenAlex Bowen

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