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Projects John Opsahl likes and follows

732
537
10
Fully magnetic equivalent of a kinetic sand art table
Project Owner Contributor

Magnetic Kinetic Art Display

moritz-v-siversMoritz v. Sivers

301
288
5
track the seasons through tele-presence
Project Owner Contributor

Virtual Forest

koen-hufkensKoen Hufkens

15.9k
260
242
Monitor your favorite plant and get the state displayed on an e-paper. Simple, elegant, and with minimum energy consumption.
Project Owner Contributor

Smart Plant

jonJon

19k
165
137
Very easy to repeat and inexpensive pocket-sized DIY thermal imager
Project Owner Contributor

DIY pocket thermal imager

ruslanRuslan

8k
81
62
Squeak is a LoRaWAN GPS pet tracker with a very long battery life. It allows you to ask your pets to share their location
Project Owner Contributor

Squeak: GPS pet tracker

mihaicuciucmihai.cuciuc

4.3k
58
74
An instant camera where the "film" can be used again and again.
Project Owner Contributor

E-paper instant camera

cameronCameron

5.9k
39
34
Battery-powered, ESP32-based laser XY scanner with auto-homing and wireless control
Project Owner Contributor

LaserProjector V2

stanleyprojectsStanleyProjects

2.2k
28
23
LoRaWAN IoT system with the Arduino MKR WAN 1300, that help my community to monitor the air quality and water of our ecological area
Project Owner Contributor

Environmental Toolkit for an Ecological Area

guillermo-perez-guillenGuillermo Perez Guillen

3.5k
28
19
Low Quiescent Current, Solar Powered +30dB LoRa
Project Owner Contributor

LoRa darkStar

capt-flatus-oflahertyCapt. Flatus O'Flaherty ☠

3.3k
26
28
Annually, tens of thousands of drifting FAD buoys are deployed in the ocean. Let's upgrade them for cutting-edge marine research.
Project Owner Contributor

Echo Sounder Buoys: Upcycling Playbook

brett-smithBrett Smith

4.9k
20
20
The project describes the construction and operation of flip-disc displays. It also shows a simple way to control them via Arduino.
Project Owner Contributor

Flip-disc Display - How it Works & How it is Built

marcin-sajMarcin Saj

1.5k
20
15
Add and monitor sensors in a beehive to follow bees life.
Project Owner Contributor

Beehive Monitoring and Tracking

gouttebrozeGouttebroze

2.4k
17
16
Control a stepper motor over Wifi
Project Owner Contributor

Wifi controlled stepper motor

jasonwinfieldnzjasonwinfieldnz

11
10
Turn any room into a home theater.
Project Owner Contributor

Projector Lift for Home Theaters

sam-bakerSam Baker

935
10
6
Neural network powered robot picks ripe and undefective strawberries
Project Owner Contributor

Strawberry picking robot

madismerilamadis.merila

653
9
9
Compact solar-powered LoRa environmental sensor capable of sensing temperature, humidity, air pressure and VoC using BME688
Project Owner Contributor

Compact LoRa Environmental Sensor

teapot-laboratoriesTeapot Laboratories

800
6
6
An audiometer is a machine used for evaluating hearing acuity.
Project Owner Contributor

Arduino hearing test device - Audiometer

mircemkmircemk

1.3k
5
2
Tool to create PCB coils for KiCad
Project Owner Contributor

KiCAD Coil Creator

coltonbaldridgecolton.baldridge

1.1k
3
8
An old AC oven motor and a solder iron converted into a wifi enabled tiny Shawarma machine
Project Owner Contributor

Micro shawarma

roni-bandiniRoni Bandini

2
3
Minimally printed harmonic drive for a rotary axis..
Project Owner Contributor

Yet another harmonic drive

sam-sokoliksam sokolik

404
1
4
The Nano G1 Explorer features a new internal wideband Lora antenna, which supports frequencies from 815 Mhz to 940 Mhz.
Project Owner Contributor

Nano G1 Explorer

neil-haoNeil Hao

Going up?

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