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Projects Ethan Waldo likes and follows

9.5k
4k
48
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

9.8k
3.4k
122
Mission "Wifi" Impossible > Bring Long Range 5G and 2.4 G WiFi Backed By A 1 Gigabit Fiber To The East Brainerd EF-3 Tornado Disaster area.
Project Owner Contributor

Open Sky Anchor WiFi Drone Brings The GIG

josh-starnesJosh Starnes

8.4k
2.5k
66
EBM - 3D Metal & Ceramic Printer - Electron Beam Melting
Project Owner Contributor

3D Metal & Ceramic Printer

agustin-cruzAgustin Cruz

24.3k
2k
84
All Sky meteorite camera build under 150$.
Project Owner Contributor

Cheap All Sky camera project with Raspberry Pi

jippo12jippo12

11.3k
1.5k
28
My goal is to design a 3D printed standalone speaker based on transmission line theory - info: Martin J. King - http://www.quarter-wave.com/
Project Owner Contributor

3D printed Bluetooth speakers - LittleJet!

davide-ercolanoDavide Ercolano

978
629
10
WART may be the the worst sounding audio playback systems ever created. But it's six lines of code and works on the tiniest processors.
Project Owner Contributor

WART: (really) cheap audio playback

r-d-poorR. D. Poor

79.1k
458
368
A small Portable Wind Turbine, mostly 3D printed!
Project Owner Contributor

3D PRINTED PORTABLE WIND TURBINE

adriancubasadriancubas

31.1k
400
302
8 GHz BW, up to 1 TS/s ET Sampling I have ceased active development on this project. Please don't ask.
Project Owner Contributor

8 GHz Sampling Oscilloscope

ted-yapoTed Yapo

9.5k
316
29
A lost art, that few can still use, and guard viciously as a company secret.
Project Owner Contributor

Universal Coil winding Machine

brettBrett

37.2k
230
184
32 bit RISC-V homemade CPU out of discrete components
Project Owner Contributor

Pineapple ONE

filipszkanderafilip.szkandera

22k
158
145
Each axis: ̶$̶5̶ ̶$̶8̶ $10 motor+lead screw, 3x LM6UU, 3x 6mm x 100mm rod, 1/8in hardboard, PC case screws
Project Owner Contributor

Minamil 2dc: a minimal CNC mill

paul-mcclayPaul McClay

11.1k
149
123
Hand signs and gestures become keystrokes and mouse clicks
Project Owner Contributor

Somatic - Wearable Control Anywhere

zack-freedmanZack Freedman

15.9k
93
91
A very minimal design to break out some common peripherals of the CM4. More a quick demonstration than anything else.
Project Owner Contributor

Minimal Raspberry Pi CM 4 and 5 Carrier

timonskutimonsku

28k
88
89
Open source multimeter that measures more for less
Project Owner Contributor

DIY 6-digit multimeter

jaromirsukubajaromir.sukuba

6.3k
80
68
Bring your own clean power. Pack a Kite Turbine in your EV
Project Owner Contributor

Energy Independence While Travelling

roddy-rags-readRoddy "Rags" Read

15.2k
56
65
Homemade simple operational amplifier module and an audio amplifier using it
Project Owner Contributor

Homemade Operational Amplifier

mitsuru-yamadaMitsuru Yamada

17.7k
53
45
Super easy way to make a microscope with a DVD pickup with Analog Discovery
Project Owner Contributor

DVD pickup LASER microscope

kuriuzukuriuzu

7.5k
45
41
An active scope probe with high-ish bandwidth and very low input capacitance
Project Owner Contributor

DIY 1.3 GHz FET Probe

christophChristoph

1k
20
13
A set of feedhorns, reference horns and flange couplers for use with the SiliconRadar TRA_120_002 chipset on the 122GHz/2.4mm band
Project Owner Contributor

122 GHz Antennas and Feeds

neilNeil

2.3k
16
24
<$10. <10μm repeatable. >10kg capacity. Laser-cut 1/8" hardboard. For 100mm x 6mm rod, but semi-parametric. Handwheel or stepper drive. CAD.
Project Owner Contributor

A Cheap Compact Linear Slide

paul-mcclayPaul McClay

1.9k
10
6
Here I made a high voltage power-supply by using vehicle ignition coil and a 555 oscillator.
Project Owner Contributor

High Voltage Power-supply

discrete-electronics-guyDiscrete Electronics Guy

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