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Projects Steven J Greenfield likes and follows

375.2k
1.8k
1.3k
Building an HMD with no special parts, to make work easier and safer
Project Owner Contributor

Arduino Glasses a HMD for Multimeter

alain-mauerAlain Mauer

2.9k
1.7k
27
Interference-resistant sensor for multiple-robot environments
Project Owner Contributor

Spread-Spectrum IR Proximity Sensor Module

ted-yapoTed Yapo

3.4k
1.3k
28
The worlds first military grade open source robot!
Project Owner Contributor

R.O.B.

rudyaramayoRudyAramayo

117.8k
1.2k
395
A powder and inkjet 3D printer based on HP45 inkjet technology
Project Owner Contributor

Oasis 3DP

yvo-de-haasYvo de Haas

1.8k
684
28
A mostly hardware based solution suitable for micro controllers and other small systems.
Project Owner Contributor

Inexpensive Lightweight Speech Recognition

thundersqueakThunderSqueak

63.1k
262
191
KiCAD component and footprint libary for ESP32 ,ESP32-WROOM, and ESP3212 modules
Project Owner Contributor

ESP32 KiCAD Library

avrAVR

25.6k
219
191
An Open Source Linear Actuator
Project Owner Contributor

Linear PCB Motor

carl-bugejaCarl Bugeja

74.2k
180
112
Puts an e3d hotend on the famous $200 printer
Project Owner Contributor

Monoprice MP Select Mini E3D Hotend Adapter

benchoffBenchoff

25.3k
162
189
... is designed for direct drive wheels for swarm robots
Project Owner Contributor

PCB stepper motor

bobriciusbobricius

28.6k
92
116
If you like happy, easy to build projects, this is not for you. This project is only for people who like to be miserable and frustrated.
Project Owner Contributor

An Unfortunate SMD Project

makersboxMakersBox

7.2k
87
54
Independently charge 10 Li-Ion cells @ 1A each, with $18 of Prime parts and an ATX supply.
Project Owner Contributor

Minimalist Li-Ion Charger

masterofnullMasterOfNull

56
60
42
Turn almost any flat surface into a sensor using cheap piezos and time difference of arrival.
Project Owner Contributor

TapTDOA

ben-henckeBen Hencke

17.5k
58
46
A 3D printed portal gun, which projects animated portals.
Project Owner Contributor

Interdimensional Portal Gun

masterofnullMasterOfNull

15.1k
55
43
Connect up to 16 encoders on Arduino or ESP8266 board on the I2C bus!
Project Owner Contributor

I2C Encoder

saimonSaimon

9.1k
48
50
Experimental PCB single layer transformer - proof of concept
Project Owner Contributor

PCB coil joule thief

bobriciusbobricius

7.7k
40
16
Cheap Chinese wifi switches that turn out to be quite hackable
Project Owner Contributor

Wifi Outlet Hacking

chris-jonesChris Jones

4k
32
32
A couple of cheap dummy loads for testing radios
Project Owner Contributor

The $50 Ham: Dummy Loads

dan-maloneyDan Maloney

6.6k
28
22
GSM conversion for rotary phone, using Arduino Pro Mini with Atmega328, a QCX601 SLIC module and a SIM800 breakout board.
Project Owner Contributor

Cellular conversion of vintage rotary phone

johan-berglundJohan Berglund

2.2k
22
16
A Basic Breakout for the ADG732 32 Channel Multiplexer and Video Tutorial!
Project Owner Contributor

MegaMUX - 32 Channel to 1 Multiplexer

sean-hodginsSean Hodgins

1.9k
16
16
Little handy spectroscope
Project Owner Contributor

Portable DVD spectroscope

pavelPavel

5.1k
16
12
Now the time to get high precision frequency standard less than $10!
Project Owner Contributor

How to get high precision frequency standard ?

kodera2tkodera2t

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