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Balau's technical blog on open hardware, free software and security
Browsing All Posts filed under »Hardware«
My Maker Faire Rome 2016
Two weeks ago I visited the 2016 edition of the European Maker Faire in Rome. The Rome fair can be reached easily with the train that goes between Rome center (mostly Tiburtina station) and the airport of Fiumicino. The whole fair has ten pavilions, and the Maker Faire managed to fill six of them with all […]
Maker Faire is coming to Rome
September 28, 2016
Maker Faire will come to Rome in the weekend of 14-15-16 October 2016, and I plan to go there. The faire format is by Make Magazine, and gathers the makers from all around the globe, so that they have the possibility to interact and showcase their work and their art. The maker movement has gained traction […]
Maker Faire Rome 16-18 Oct 2015
October 8, 2015
In less than two weeks the Maker Faire will come to Rome. It’s a 3-day gathering of makers, hackers, companies and hobbyists with the passion for electronics, programming, manufacturing, artistry, learning and creating. There will be some practical workshops, tons of lectures, and bigger talks called “cortocircuiti” (shortcircuits). It will be hosted in the University of La […]
LimiFrog: matchbox-sized battery-powered sensor-filled dev platform, on Kickstarter
September 10, 2015
Disclosure: I am currently employed by STMicroelectronics. The product I’ll be talking about contains many ST chips and the creator was an ST employee himself. I’ll be writing my own personal opinions, you can judge if they are biased. I received news about this Kickstarter: LimiFrog. It’s a small board advertised for developing and prototyping applications that […]
EE & CS: A JTAG/XSVF Library for Arduino
September 2, 2015
Marcelo Jimenez wrote an Arduino library to apply XSVF patterns on a JTAG interface using the Arduino as a JTAG adapter. It is especially useful for FPGA/CPLD programming. In the example provided in the GitHub repository, the XSVF file is passed through the serial port using a client-side python script. Some time ago I started some similar […]
Arduino Ethernet shield on STM32 Nucleo
August 2, 2015
I have a clone of the Arduino Ethernet shield R2, and I already hooked it up on an Arduino Uno, as explained in a previous post. But I also have an STM32 Nucleo-F103RB board, which is similar to Arduino with respect to many of its pins, so I wanted to try this shield with it. The main […]
Arduino Ethernet shield and Python socket
June 14, 2015
I started playing with an Ethernet shield for Arduino that I bought at a faire. I noticed that the shield itself is not original, but it’s a clone of the Arduino Ethernet Shield version 5.0, also identified as revision 2. The shield provides Ethernet connectivity and has an SD card slot to provide non-volatile memory […]
Nand2Tetris course is starting on Coursera
March 30, 2015
Nand2Tetris is a famous learning resource that teaches computing from the ground up, where the bottom brick that is used to build anything is the digital NAND port. It teaches the basics of Hardware Description Languages (such as Verilog and VHDL), and applies it to build a processor. It then guides into writing an assembler […]
Using a rain sensor with Arduino Uno in C
December 23, 2014
An application written in C that interfaces a rain sensor to Arduino Uno by reading digital and analog signals, and visualizing the levels on a PWM-driven LED and a serial terminal.
Arduino interrupts in C: implementing a time switch
December 15, 2014
This post continues the series of simple Arduino applications written in C instead of the official Arduino language and IDE. See the previous posts about the basics, using a buzzer and a LED matrix. The goals of using C are mainly to understand better the microcontroller, to reduce the needed resources in terms of code memory, RAM and […]
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Freedom Embedded by Francesco Balducci is licensed under a Creative Commons Attribution-Share Alike 4.0 License.
Freedom Embedded 
October 30, 2016
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