Wednesday, June 27th, 2018
Xose Pérez over at Tinkerman writes: The Arduino Core for ESP8266 and ESP32 uses one SPI flash memory sector to emulate an EEPROM. When you initialize the EEPROM object (calling begin) it reads the contents of the sector into a memory buffer. Reading a writing is done over that in-memory...Tags: Arduino, eeprom, ESP32, ESP8266
Posted in code, tutorials | 4 Comments »
Saturday, June 13th, 2015
Tags: GNU radio, GSM, HackRF
Posted in code, hacks, SDR, tutorials | No Comments »
Friday, June 12th, 2015
arnaud acquired a HackRF Blue and has been busy coding up a GNURadio project for analyzing Crazyflie radio transmissions. Crazyflie is a nano quadcopter/drone controlled over a wireless link. The Crazyradio is the official radio dongle for the Crazyflie Nano Quadcopter. It is a 2.4GHz USB radio dongle based on...Tags: Crazyflie, Crazyradio, GNU radio, HackRF Blue
Posted in code, reversed, RF, wireless | No Comments »
Sunday, May 3rd, 2015
Piotr Nowicki wrote a post on his blog about using some of the advanced capabilities of ADC in Arduino Due. He hadn't seen this topic covered anywhere yet and hopes it will useful to fellow hackers. Via the contact form.Tags: ADC, Arduino Due
Posted in Arduino, code | No Comments »
Tuesday, February 17th, 2015
Anurag Mishra writes, Recently I bought a new pair of Inline Skates. So an idea struck my mind. I modified my skates to give me some results. I wanted to measure the speed with which I am skating and if I get to know the surrounding conditions, that would be...Tags: inline skating
Posted in Arduino, code, LEDs, open source, sensors | No Comments »
Sunday, February 8th, 2015
Here is the first of a four-part video series recently posted from the 2014 TAPR/DCC conference in Austin, TX. This is from the DCC's Sunday Seminar, "a four-hour deep dive" into a single subject, in this case FPGA programming for mixed signal systems. "The presenter is amateur radio operator Chris...Tags: DCC, system on a chip, TAPR
Posted in code, components, FPGA, Videos, wireless | No Comments »
Monday, February 2nd, 2015
In a previous post we covered the security node that Ken from OverEngineered was building to replace the proprietary home security system in his house. Ken has updated us on the project's status. "I finally got the final version of that node installed and running my home's security system. It's...Tags: alarm system, JeeNode
Posted in code, DIY, open source, security, wireless | 1 Comment »
Sunday, January 11th, 2015
When it comes to the RTL-SDR dongle, there's an app for that! (At least a Chrome app.) The Chrome app store has the updated RTL-SDR Radio Receiver app available for download. It's free and open source and is written 100% in Javascript. "Receive and listen to FM and AM radio...Tags: Chrome, Javascript, receiver app, RTL-SDR
Posted in code, open source, SDR, software | 6 Comments »
Wednesday, December 31st, 2014
At the recently concluded CCC conference in Hamburg, Germany, bunnie and Xobs presented their "lawful method for converting closed IP into open IP." We introduce Fernvale, a reverse-engineered, open hardware and software platform based upon Mediatek's MT6260 value phone SoC. The MT6260 is the chip that powers many of the...Tags: CCC 2014, Fernvale
Posted in code, hacks, open source, Videos | 10 Comments »
Thursday, November 6th, 2014
Luca Dentella has informed us of his latest project using an ethernet shield based on the ENC28j60 driver from Microchip. SDWebServer is a complete webserver that can retrieve static elements from an SD card (including a user-defined default webpage) and can also create dynamic pages. This is the latest post...Tags: enc28j60, ethernet, SDW60ebServer
Posted in Arduino, code, open source, PIC | No Comments »
Monday, November 3rd, 2014
If you're into learning programming languages, you may what to check out a new programming language known as D. What is D? According to the developer's website D is a general purpose systems and applications programming language. It is a high level language, but retains the ability to write high...Tags: D programming language
Posted in code, documentation, ebook | 6 Comments »
Saturday, November 1st, 2014
Ray writes with this technique for installing open source drivers on Windows. I came across a surprisingly simple approach to installing USBasp and USBtiny drivers for all versions of Windows — XP, 7, 8, 8.1, whether 32-bit or 64-bit, all inclusive! As you may know, installing open-source drivers such as...Tags: driver install, USBASP, USBTiny, windows
Posted in code, how-to, open source, software | 1 Comment »
Wednesday, October 29th, 2014
Richard from Zoetrope wrote this blog article about a PCB to make using the AS5048A angle sensor really easy. He used dirtyPCBs for the board, and Zoetrope will be giving a few of them away. Via the contact form.Tags: AS5048A angle sensor
Posted in Arduino, code, how-to, open source, PCBs, sensors | 2 Comments »
Tuesday, October 28th, 2014
Ray Wang from RaysHobby announces the release of OpenSprinkler Firmware 2.1.0. OpenSprinkler is an open-source, Arduino-based, web-connected sprinkler controller. This new firmware is a major upgrade that introduces a number of new features, including automatic weather-based watering adjustment (using real-time data from Wunderground.com), timezone and DST detection, logging, and a...Tags: automation, OpenSprinkler
Posted in code, open source, robotics | No Comments »
Sunday, October 19th, 2014
In this presentation from GrrCON 2014, author Dr. Phil Polstra discusses how to develop your own Linux distro. Phil has assembled his distro known as The Deck which is useful on the Beagleboard and Beaglebone Black boards. (more…)Tags: BeagleBone Black, GrrCON, pentesting
Posted in code, DIY, Linux, Videos | 1 Comment »
Sunday, October 12th, 2014
During the TAPR/ARRL Digital Communications Conference in Austin last September, Stephen Hicks N5AC gave this presentation on interfacing with FlexRadio using their open API. Part II of this presentation was given by Graham Haddock KE9H, and discussed the FlexRadio wavefrom API. It is available from HamRadioNow. FlexRadio produces a series...Tags: FlexRadio open API, TAPR, waveform API
Posted in code, RF, SDR, Videos | 1 Comment »
Wednesday, October 1st, 2014
Richard Webb just finished an article on reverse engineering the wireless protocol used to communicate with some pro studio lighting. His approach involves sniffing the SPI bus into the lighting controller's RF module using the Open Bench Logic Sniffer to obtain preliminary addressing information, then used an nRF24L01+ module in...Tags: Lencarta UltraPro 300, studio lighting
Posted in Arduino, code, Logic Sniffer, reversed, wireless | No Comments »
Sunday, September 14th, 2014
Javier from CookingHacks writes: We made aTags: GPRS, GPS, vehicle tracking
Posted in Arduino, code, sensors | 1 Comment »
Saturday, September 6th, 2014
Eagle over at at cypherpunk.at posted details on programming an Arduino in assembly language. This article is about programming an Arduino board natively in pure Assembler without carrying the rucksack of standard libraries and functions. Using a simple example and an Arduino Uno board, I will show how to assemble,...Tags: assembler programming
Posted in Arduino, AVR, code, tutorials | 2 Comments »
Monday, September 1st, 2014
Sagar has posted the final installment on his blog series demystifying the NTSC video standard. NTSC progressive scanning mode and simpler sync methods are not well documented and this issue is addressed here. Producing video signals by going to lowest hardware level is fun and satisfying. With the number of...Tags: Atmega16, ntsc, video generation
Posted in code, components, tutorials | No Comments »
