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quadradic

Retired aerospace engineer

Pamana City, FL
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quadradic
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This user joined on 01/16/2020.

9.1k
3.3k
6
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Got printer? Connect to the motors with a Pi, plonk in a cheap scope, and do 2D and 3D scans!
Project Owner Contributor

LadyBug BEEFY: 3D printer motorized microscope

ahron-wayneAhron Wayne

7.4k
2.8k
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27
Arduino-based heaband that uses haptic feedback to navigate blind people. Controlled via Bluetooth using Android app.
Project Owner Contributor

Ariadne Headband

vojtech-pavlovskyVojtech Pavlovsky

6.6k
6k
3
36
A computer built around a Atari 2600 (VCS), with a few nifty upgrades, 6502, 64k + 128bytes ram, coprocessor, 77 is getting a rework
Project Owner Contributor

Super atari 6502 (A "DIY" 2600 hardware clone...)

robertRobert

5.8k
1.1k
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50
1/2 Watt stereo audio amplifier with extra gain and loudness control.
Project Owner Contributor

LM386 stereo audio amplifier

carbonosilciocarbono.silício

5.2k
946
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The circuit for Audio Amplifier is made on Vero-board which stimulates and amplifies the input sound by using a battery.
Project Owner Contributor

How to make Audio amplifier with 2N7000 MOSFET

utsourceUTSOURCE

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Stereo, 9 to 24 Vdc external supply.
Project Owner Contributor

~ 10 Watt audio amplifier

carbonosilciocarbono.silício

2.9k
2.9k
8
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An OpenSCAD library for parametrically generating ABLOY PROTEC keys suitable for 3D printing
Project Owner Contributor

Protec 3D Printing

tiernanTiernan

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2.8k
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4
Commander un relais iot avec ESP-01 via SmartThings
Project Owner Contributor

Relais ESP-01 iot sur SmartThings

erik-tellierErik Tellier

2.4k
1.1k
1
15
Hacking Velux remote with a hat to enable voice control over a raspberry pi powered by Snips
Project Owner Contributor

Voice control for Velux

psychoPsycho

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2.2k
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23
A 3D printed drawing robot you can build, program, and modify.
Project Owner Contributor

Open Source Turtle Robot (OSTR)

makersboxMakersBox

2.1k
358
3
12
Portable, simple and inexpensive test to alert diabetics to elevated levels of Ketones, without the need for blood or urine testing.
Project Owner Contributor

Meter to Monitor Ketoacidosis Via Breath

tom-meehanTom Meehan

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1.7k
1
24
Create 3D printing filament from PET flakes. Bottle → Flakes → FILAMENT → 3D Printing
Project Owner Contributor

3D printer filament maker

petmat-zPETMAT z.ú.

1.9k
1.8k
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4
Setting up RFID on a Raspberry Pi using Microsoft IOT Core.
Project Owner Contributor

RFID on Raspberry Pi

t3rr0rbyte13T3rr0rByte13

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5
Making an accessory using MXChip IoT Dev Kit. It is a versatile board with many sensors. It can use Azure functions and be trained. WIP
Project Owner Contributor

MXChip IoT Dev Kit

artbyphysicistkittyartbyphysicistkitty

1.6k
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13
Dawn - the SUBLEQ operating system by Geri
Project Owner Contributor

Dawn - the SUBLEQ operating system by Geri

geriGeri

1.3k
1.3k
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15
A collection of wirelessly connected color changing costume pieces, controlled by a 'magic' color sensing wand.
Project Owner Contributor

Color Stealing Fairy

angela-sheehanAngela Sheehan

552
549
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IoT Nixie Clock can be controlled via Arduino Cloud or Amazon Alexa thanks to the Arduino Nano 33 IoT.
Project Owner Contributor

Voice Controlled Nixie Clock - Alexa & IoT Arduino

marcin-sajMarcin Saj

245
245
3
5
Turning current into time
Project Owner Contributor

Ampere Time

michael-mllerMichael Möller

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