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Archive for the ‘open source’ Category

Fluke/Philips PM66xx frequency counter OCXO upgrade

Thursday, May 5th, 2016

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...

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USB curve tracer for NPN transistors

Thursday, April 21st, 2016

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...

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Posted in open source, USB | 10 Comments »

New design: Open source pick and place machine

Friday, April 1st, 2016

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.

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Open-source SWD programming adapter

Monday, February 29th, 2016

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...

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Music Thing Modular Axoloti control board

Thursday, February 25th, 2016

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...

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OpenDrop – Digital Microfludics Plattform

Saturday, February 20th, 2016

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...

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New Energia 17 release brings SensorTag, Red Bear CC3200 And F28069M support

Tuesday, January 5th, 2016

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...

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Posted in MSP430, open source, software, tools | No Comments »

CEmu, an open source TI-84 Plus CE / TI-83 Premium CE calculator emulator

Monday, January 4th, 2016

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...

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Posted in open source | 1 Comment »

isoUSBRS422, an open source isolated USB-RS422/RS485 converter board

Thursday, December 17th, 2015

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...

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Open Inverter, an open source micro-solar inverter

Tuesday, October 6th, 2015

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...

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RePhone kit: World’s first open source and modular phone

Wednesday, September 23rd, 2015

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...

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Dobot: Robotic Arm for everyone, Arduino & Open Source

Friday, September 18th, 2015

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...

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Posted in open source, robotics | 19 Comments »

Mesa-Video: 800×600 digital video for Arduinos over 2-wire serial Mesa-Bus

Tuesday, September 1st, 2015

kevinhub88 writes: This post describes Mesa-Video, a low cost, low power, small size and fully Open Source Hardware and Software solution for providing 800×600 digital video for Arduino ( and other ) microcontrollers.  Mesa-Video makes it quick and easy to display text and 24bit color graphics from any MCU using...

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Posted in Arduino, open source | No Comments »

ChainringGen – making a chainring with open source software

Thursday, August 13th, 2015

Rich Olson writes: ChainringGen is an OpenSCAD script I wrote that can generate a bike chainring with any specifications you like. You can download ChainringGen here.  You can control parameters like bolt-circle-diameter (BCD), number of bolt holes, number of teeth and other stuff. I primarily created ChainringGen because I thought...

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Posted in open source, software | 2 Comments »

openSAM: a 3D-printed open source camera stabilizer

Thursday, July 9th, 2015

OpenSAM by OHM - a 3D Printed Camera Stabilizer: Welcome to OpenSAM, our 3Dprinted self-built three Axis stabilizer. It is handheld and the entire mechanical construct is built using 3D printed parts. Brushless motors ensure the camera is stable and they can be controlled using a joystick. The design is...

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Posted in 3D fabrication, open source | No Comments »

The CANable: a small USB to CAN adapter

Wednesday, June 3rd, 2015

Ethan of Protofusion writes: The CANable is a hardware clone of Eric Evenchick’s CANtact project, an open-hardware USB to CAN adapter compatible with socketcan. I took his design and reworked the hardware to be a bit more suitable for my personal needs, with a screw terminal instead of a DB9 connector...

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Posted in open source | 1 Comment »

Developing a parallel detector for the Open Source CT 2

Tuesday, May 26th, 2015

Peter of TricorderProject writes: I’ve been thinking about tomographic imaging a lot lately in between nursing sore fingers from learning how to hand-wind electromagnetic coils for my attempt at a small prepolarized coded-field MRI, and I thought I’d take a moment to share some progress. The open source computed tomography...

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Posted in open source | No Comments »

Open source ground station project SatNOGS with Dangerous Prototypes sticker

Tuesday, May 19th, 2015

@elkos tweeted this picture of open source ground station from Satnogs.org team with Dangerous Prototypes sticker attached to it: Seems that some @SatNOGS groundstation builders are @dangerousproto fans.  Source @N6PSE post

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TinyK20 open source ARM debug/universal board

Monday, May 18th, 2015

Erich has posted an update on his open source ARM debug/universal board project. We wrote about it previously: After the proof of concept phase (see “Proof of Concept: Open Source ARM SWD Debug and General Purpose Board“), the first prototypes are ready I had the first prototypes of the board we...

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Posted in ARM, open source | 4 Comments »

Wavewatch, a soundcard oscilloscope and waveform generator

Monday, May 18th, 2015

 D4p0up shared his open source soundcard oscilloscope in the project log forum: Here is a tool that might help some of you in your DIY activities : WaveWatch, a soundcard oscilloscope 100% made with Processing. I've just released the 1.3 version, making it a very credible, user friendly and totally open...

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Posted in open source, oscilloscope | 4 Comments »

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Recent Comments

  • Paul Campbell: I'm old enough that I started programming with punched cards .... each card had a sequence number in the last few characters. A friend once...
  • Ian: test comment on /blog/ page
  • ian: No, that's exactly how it should be :) Sorry about missing names on comments, the theme is being reworked as we speak.
  • J. Peterson: Nice writeup. It looks like some of the formatting for your command examples needs some missing newlines?
  • Geert Jordaens: I'm not sure what kind of licensing I have to add since it is a fairly straight forward implementation of the adaptive Huffman Decoding. For...