An easily constructed USB-powered pulse oximeter device that can be built for around $25 and features an OLED display.

How better to work on Open Source projects than to use a Libre computing device? But that’s a hard goal to accomplish. If you’re using a desktop computer, Libre software is easily achie…

Easy - Infinity Mirror Clock: I've had a love-love relation with clocks and LEDs. Over the years, I've made quite a few clocks, but keep coming back to the Infinity Mirror Clock that I first made a few years back. However, with each iteration, the results…

First the bad news; due to a slight delay in PCB fabrication and assembly, it is now looking like shipping will be slightly delayed from the campaign goal of 1/19. We currently expect to ship around the end of January. Other than that, this update is full…

The new OpenCTD conductivity, temperature, and depth sensor boasts more power, costs just $300 in parts, and is still open source.

Build your own phone

This drone is very similar to a quadcopter - the only exception is the center pusher motor.

I haven't really made a ton of drones in the past, so I decided this would be a great way to mix things up a bit while I was bored under quarantine.

While…

We’re not sure how many of you out there own a boat large enough to get its own integrated computer network, but it doesn’t really matter. Even if you can’t use this project perso…

Laser XY Scanner is an open source stepper motor based scanner. The components used are low cost and very accessible. This type of laser scanner is not extremely fast and has a fairly low resolution, especially with this driver, but it can still be used in…

As the original hardware from the golden era of 8-bit computer gaming becomes a bit long in the tooth, keeping it alive has become something of a concern for enthusiasts. There have been a successi…

TELEBOT (Remotely Control and Monitor Your Home): In this Instructable I'am going to tell you about how to make a complete "HOME AUTOMATION" package using some basic Electronic controllers and some Open source software.This Project will go this way: We…

ESPboy is an ultimate multi-gadget for IT geeks, retro game fans, makers
www.espboy.com

- Open source, open hardware, portable, modular
- To explore, create, learn, code & play
- Empowered with AppStore and community support
- WiFi onboard, 100% Arduino…

This is Class 2 in Reverse Engineering with Ghidra taught by Matthew Alt.Learn with us: https://www.hackaday.io/uPlaylist for the Reverse Engineering with Gh...

There’s little debate that Amazon’s Alexa ecosystem makes it easy to add voice control to your smart home, but not everyone is thrilled with how it works. The fact that all of your comm…

A fully open source dual-channel SDR Raspberry Pi HAT with up to 6 GHz tunable range

Create 2 tanks and battle them out, using laser light as the ammo!

ESPboy is an ultimate multi-gadget for IT geeks, retro game fans, makers
www.espboy.com

- Open source, open hardware, portable, modular
- To explore, create, learn, code & play
- Empowered with AppStore and community support
- WiFi onboard, 100% Arduino…

Nowadays most prosthetic hands cost dozens of thousands of USD. The OpenBionics initiative (www.openbionics.org) presents a new open-source design for highly functional prosthetic hands. The proposed hands cost less than 200$, weigh less than 300 gr and can…

CheApR - Open Source Augmented Reality Smart Glasses: [Another Update: A kind user made me notice that the top frame is different from the one in the tutorial and it's true, it seems I have uploaded the old one instead of the latest. Will make the update…