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Ralf

radio amateur, engineer, happy to be on earth

Hamburg
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ralf
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This user joined on 01/31/2016.

94.6k
1,234.8k
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Follow for the 'Hacklet' and latest news about hackaday.io
Project Owner Contributor

Hackaday.io Project

lutetiumLutetium

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710
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The uRADMonitor is a plug-and-play, low power, self contained radiation monitoring device, connected to a centralised server component.
Project Owner Contributor

Global radiation monitoring network

radu-motisanRadu Motisan

14.6k
1.8k
7
44
Home automation hub disguised as a thermostat
Project Owner Contributor

Squirco Smart Home System - Hub + Thermostat

stevenSteven

6.3k
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This is a CD changer emulator for select Saab cars that lets you stream music to your stock stereo over bluetooth.
Project Owner Contributor

BlueSaab

sethSeth

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[DISCONTINUED] An inexpensive bluetooth music system for cars with lacking stereos.
Project Owner Contributor

carbt_v1

hybridairHybridAir

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284
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Building the control unit for another kind of small Chinese CNC mill/engraver.
Project Owner Contributor

Mini CNC Mill

altmarcxsAltMarcxs

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2k
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DIY Moving Head Spotlight PAR RGB-LED
Project Owner Contributor

Festivalljus

tim-gremalmTim Gremalm

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Music is play, let's put game controls into the performance! Atari paddle knobs & arcade buttons make a great show of MIDI knob twiddling!
Project Owner Contributor

Twister™: a play on MIDI controllers

t-b-trzepaczT. B. Trzepacz

2.3k
555
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'Pong' made with Vacuum Tubes
Project Owner Contributor

Tube Television Tennis

256byteram256byteram

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Hacking the Wink Hub to be more user-friendly for use with OpenHab and other home automation stacks
Project Owner Contributor

WinkHub Integration

aggiezachaggiezach

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217
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A motion activated sound clip player in a box which can be mounted at the house entrance to scare the kids who come to trick or treat.
Project Owner Contributor

Scare-O-Matic

magicwolfiMagicWolfi

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I needed a circuit to play a small audio sample loop. I made one using an Atmel, a resistor ladder DAC and an SPI flash memory
Project Owner Contributor

Partially-salvaged Arduino audio sample player

adriajunyent-ferreadria.junyent-ferre

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1.8k
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The budget balance bot project - a sub £50 easybuild balance bot / balancing robot platform with bluetooth control.
Project Owner Contributor

The budget balance bot project

keithlonlinekeithl.online

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1.4k
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Utilise off the shelf hardware and OSS to create a cheap thermal imaging camera for firefighting use
Project Owner Contributor

ElectricEye

eded

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120
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Replace the "brain" of a 303 with modern technologies and add a Digital VCO for more stability.
Project Owner Contributor

ML-303 Synth (x0xb0x-alike) full CPU replacement

datanoisetvDatanoiseTV

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Audio spectrum rendered with ping pong balls.
Project Owner Contributor

Ping Pong Ball Audio Spectrum Analyzer (PPBASA)

jacob-christJacob Christ

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An expensive but durable hands-free Bluetooth stereo for the garage.
Project Owner Contributor

Garage Stereo II

mikeMike

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Open, connected, scalable information display
Project Owner Contributor

Persistent, dynamic, scalable information display

davidnhutchdavidnhutch

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