viswa informs us of a source for “Completely Free Open Source GCC builds for ARM MCUs and MPUs. This seems to be maintained by the official team which maintains GCC for ARM. This is useful for ARM Cortex M / … Read more
Saulius writes: “I have just tested in the air my latest quadcopter telemetry link using low-cost open-source wifi board. This link can be used not only to relay telemetry data but control SU(A)V from joystick and get video back to … Read more
Here’s an easy open source motion sensing project by Matt Williamson which sends you an SMS message when motion is detected. The hardware consists of an Arduino and Parallax PIR sensor (Part No. 555-28027). This arrangement communicates via serial with … Read more
Dpropicweb tipped us to a new Open source Bluetooth stack for PIC24 and PIC32. For hardware, a PIC drives a cheap USB Bluetooth dongle using a USB host interface. The Bluetooth part is open source, unfortunately is also uses Microchips … Read more
According to Phil Torrone’s exclusive interview with Andrew (bunnie) Huang for MAKE, the age of Chumby is pretty much over, at least as far as official manufacturing and support are concerned. Chumby is the open source WiFi web app platform … Read more
Kevin Mehall got his RTL-SDR dongle and wasted no time in developing a decoder using GNU Radio for the 433MHz transmissions of Oregon Scientific remote temperature sensors (v1 protocol). These devices transmit on 433.9 MHz sending data packets containing the … Read more
Scrawny 500mA USB charger insufficient for your hunger for power? Try this 3.6 amp USB charger based on the LM2700 boost switch-mode IC. This design is inspired by the Minty Boost but it fixes some of the issues that I … Read more
If you miss the Defcon electronic badge hacking it’s a good idea to check out the offerings of some of the lesser known cons. The recently concluded Notacon 9 in Cleveland, OH presented a badge based on the PIC 8-bit … Read more
Open Source Hardware Association Announced! Open Source Hardware Association. The Open Source Hardware Association is Coming Soon! It will be a non-profit organization (status pending) working to spread the love of open source hardware. We’re working out details, and as … Read more
Joe designed a 802.15.4 network analyzer for Linux with the STM32W-RFCKIT , by reverse engineering the Windows only closed-source application note AN3406. Summary: The STM32W-RFCKIT together with application note AN3406 is a nice low cost solution for diagnosing problems on … Read more
Arup got some PCBs made by Seeed of the open-source data acquisition system he designed. The system uses solar panels, and rechargeable batteries for power. An ATmega32 microcontroller reads, and stores data onto a SD flash card. Data ca also … Read more
Balint Seeber has done it again! In this video he shows how to take the RTL-SDR dongle and use it in conjunction with the open source OP25 project to successfully demodulate APCO Project 25 (P25) digital radio voice communications. P25 … Read more
Franz Enzenhofer has put together this novel search-by-image page for use with Google. This is Franz’s own work and is not affiliated with or supported by Google. He’s confirmed it works on Chrome, Safari, Firefox on Mac and Firefox on … Read more
If you’re not a world class coder, can you still make a meaningful contribution to the open source community? Andy Lester of Software Quality Connection has written an article outlining 14 Ways to Contribute to Open Source without Being a … Read more
DJ Delorie was looking for an excuse to learn about Verilog and CPLDs. So he coded up this binary to 7-segment display converter. He provides links to the source code and says this project fits into the Xilinx XC9572 (the … Read more
While we await the arrival of the Ezcap dongle from DealExtreme we found this video from Balint Seeber. He’s made using this device with GNU Radio even easier by coding up a source block for use with GNU Radio Companion.
SenseMote is an alternative firmware for the Ciseco XRF CC1110 module. It enables you to build wireless sensors and actuators via an Arduino-like sketch language. I believe that the gateway, the “sensehub”, has a lower BOM cost than Nanode or … Read more
Lloyd Atkinson writes: I was recently researching the possibility of running OpenWRT on one of my Netgear Wireless access points. I came across a Netgear page that has available TAR files of source code for hundreds of their devices! So … Read more
SigLab is an open source USB development board that takes commands from a small program that runs Python-like scripts. The hardware is basically a PIC18F2550 breakout board, but the firmware makes it easy to get started using the familiar desktop … Read more
If you don’t want to spend $1,200+ for a USRP SDR to use GNU Radio the crew at OsmoSDR want to help. In addition to their other amazing work, Osmocom team members (notably Steve Markgraf) have been hacking away on … Read more
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