A geeky Christmas decoration made with 56 LED Neopixel and controlled via an Arduino Micro board from Open Electronics: Let’s take a look, therefore, at the project’s electrical section, that is essentially composed of a set of 56 Neopixel LEDs, that have been arranged so to form two concentric stars; the first 35 RGB LEDs (out […]
Category Archives: open source
The BF 15+15W open source power amp
Boris Landoni from Open Electronics writes about the BF 15+15W open source power amp: The amplifier revolves around a monolithic integrated circuit for universal use, that is composed of two BF amplifier stages having a bridge output, that may be equated to operational amplifiers connected by a bridge and supplied with a low impedance output […]
PowerShell is open sourced and is available on Linux
Microsoft is announcing PowerShell on Linux and open source, that is available on GitHub: Today, we are taking the next step in our journey. I am extremely excited to share that PowerShell is open sourced and available on Linux. (For those of you who need a refresher, PowerShell is a task-based command-line shell and scripting […]
Open hardware DSP platform
Open source hardware digital signal processing platform from Paul Janicki: The open hardware DSP platform is a range of small boards that can be plugged together to give you a flexible platform for processing all sorts of audio signals. If you want a simple crossover, a custom USB soundcard and headphone amp, or a fully fledged […]
An open source 3D Scanner made with Raspberry Pi
Boris Landoni from Open Electronics writes about a new open source 3D Scanner made with Raspberry Pi: This being said, we may move on to talk about our 3D scan approach, that consists in using a linear laser, that is, one capable of drawing a vertical line having a constant luminous intensity, and in shooting the images that […]
OpenPnP build
Tom Keddie posted a video showing his OpenPnP pick and place build.
Cherry MX keypad
Dan Watson documented on his blog an open source Arduino-compatible Cherry MX keypad he designed using the ATmega32U4 microcontroller: The board that I designed includes four Cherry MX keys. I used MX Blues, but it is also compatible with other types such as Brown and Red. It’s simply a matter of soldering on the ones […]
ViaConnect circuit board test tool
David Spinden writes, “Wanted to pass along an open source hardware circuit board tool that allows a person that has a circuit board that has vias for .1 inch headers, but has no headers to prototype for their idea. Using a spring contact, the ViaConnect attaches directly to the via. It is great for students […]
Fluke/Philips PM66xx frequency counter OCXO upgrade
Dan Watson documented on his blog an OCXO upgrade board he designed for the Fluke/Philips PM66xx line of frequency counters: My counter came with the standard XO timebase option, which has fairly poor specs for stability and drift. It is difficult to trim precisely with the single-turn trimmer capacitor on the board. Recently, while researching […]
USB curve tracer for NPN transistors
Dilshan Jayakody documented his USB port base NPN transistor curve tracer project: Curve tracer is an electronic test instrument to analyze the characteristics of transistors and other discrete semiconductors. In this post we construct USB base curve tracer to analyze properties of NPN transistors. This curve tracer is build around Microchip’s PIC18F4550 MCU and it use […]
New design: Open source pick and place machine
Peter van der Walt from OpenHardware.co.za has published his newest machine design – an open source pick and place machine, that is available at github. Project info at OpenHardware.co.za.
Open-source SWD programming adapter
Ethan Zonca from Protofusion writes, “After making the switch from AVR to STM32 microcontrollers, I redesigned my old 6-pin ICSP pogo-programming adapter for SWD. The new design allows programming with pogo pins or a small pin header soldered to the pogo pads for debugging, all with the same cable. The footprint uses surface mount pads […]
Music Thing Modular Axoloti control board
Tom Whitwell from Music Thing Modular built a DIY control board for Axoloti, that is available on Github: Axoloti is a very nice €65 audio board from Belgium, the closest thing I’ve yet seen to an Audio Arduino; lots of easy analog ins and outs for pots and switches, enough power to do interesting audio, […]
OpenDrop – Digital Microfludics Plattform
An open source digital microfludics platform from GaudiLabs, that is available on github: OpenDrop is a new design for an open source digital microfludics platform for research purposes. The device uses recent electro-wetting technology to control small droplets of liquids. Potential applications are lab on a chip devices for automating processes of digital biology. How […]
New Energia 17 release brings SensorTag, Red Bear CC3200 And F28069M support
The Energia team announces the availability of version 0101E0017. We wrote about it previously: A new version of Energia has been released. This version fixes alot of bugs from the previous version and also adds support for the following: Support for three new boards have been added added: – CC2650 based SensorTag (MT) – CC3200 based […]
CEmu, an open source TI-84 Plus CE / TI-83 Premium CE calculator emulator
Cemetechian MateoConLechuga and his team Jacobly, Adriweb, Lionel Debroux, Vogtinator have been working on a portable and open source TI-84 Plus CE/TI-83 Premium CE emulator – CEmu , that is available on Github: Features Portable emulation core written in C Decent emulation accuracy yielding the ability to boot all of TI’s CE OS’s, browse around, execute […]
isoUSBRS422, an open source isolated USB-RS422/RS485 converter board
Alper Yazar has posted an update on his open source isoUSBRS422 project we covered previously: As I said, basically it is an USB ↔ RS-422/RS-485 converter board. It can be used to communicate devices with RS-422/RS-485 interface by using a USB port of PC. Also, ground of USB port is isolated from ground of RS-422/RS-485 […]
Open Inverter, an open source micro-solar inverter
Ken Boak has been working on an open source micro-solar inverter project: We wanted to make a design that uses readily obtainable N-type FETS and an Arduino (more strictly a ATmega328P-PU on a breadboard) to generate the PWM signals and provide simple circuit protection, and load sensing. With the PWM signals generated in firmware it can easily […]
RePhone kit: World’s first open source and modular phone
Seeed Studio has announced that RePhone, an open source and modular phone kit is now being offered on Kickstarter! With Rephone you can: 1.Create your own phone in minutes with the slim MODULES, accessible SOFTWARE, and customizable Phone Enclosures. 2.Hack anything around you, giving inanimate objects the power of cellular communication. Have a conversation with […]
Dobot: Robotic Arm for everyone, Arduino & Open Source
Here’s an interesting open source project on Kickstarter the magical robotic arm, Dobot: Designed for DESKTOP. Arduino-powered, 4-axis parallel-mechanism robot arm with High Quality. For makers, educators, and everyone! We are six engineers who built a 4-axis high accuracy, high repeat precision, stepper motor, Arduino-based, desktop robotic arm called Dobot. You can visit his Kickstart page […]