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Remaking the PDP-8/I using the Pi, simh & a replica front panel
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PiDP-8/I

Oscarv

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76.3k
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632
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76
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269
A "dataless" Wi-Fi positioning system that can be used anywhere GPS can't.
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SubPos Positioning System

Blecky

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37.2k
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427
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35
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204
DIY System on Chip based on FPGA, priced below 5 USD
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DIPSY

Antti Lukats

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34.2k
users
600
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33
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188
A handheld, battery powered, sensor array unit for environmental monitoring focused mostly on air quality using a global infrastructure.
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Portable environmental monitor

Radu Motisan

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24.7k
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1.1k
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38
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181
Build your own nervous system!
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NeuroBytes

zakqwy

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55.9k
users
324
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36
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173
Monitoring soil moisture at different depths to determine when to irrigate, and - more importantly - how much water is needed. Save 25%!
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14.3k
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122
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43
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103
A wheelchair attachment that allows any wheelchair to be powered in a rowing motion. It is 3D printable, open source, and available to all.
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Hand Drive

Kate Reed

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12.1k
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494
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16
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99
Turns your BeagleBone Black/Green into a 14-channel 100Msps Logic Analyzer
Project Owner Contributor

BeagleLogic

Kumar, Abhishek

eye
11.2k
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614
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24
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74
wearable UV Index & weather sensor
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UV-badge

x-labz

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4.4k
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28
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4
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23
A system of interchangeable parts for thermal management in PCB assemblies.