Browsing All posts tagged under »electronics«

Interesting upcoming courses on Coursera

March 2, 2013

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The online “university” coursera.org organizes its courses with limited time frame, to give the students a sense of urgency to complete the studies. These courses, which are relevant to the content of my blog, are about to start: VLSI CAD: Logic to Layout; start date: 2013-03-04 Pattern-Oriented Software Architectures for Concurrent and Networked Software; start date: 2013-03-04 Information Security […]

Makeblock: the body of your open hardware projects.

December 23, 2012

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I have always been the LEGO kid. I especially liked the space sets, but I understood quite soon that the Technic series was the best for me. A couple of times in my life, when I wanted solutions to small physical problems such as “how can I fit this webcam to the top of monitor?”, […]

A thesis on Arduino

April 18, 2011

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I’m reading an interesting university thesis on Arduino, from Fabio Varesano’s blog, that I follow: My MoS Thesis: Using Arduino for Tangible Human Computer Interaction | Varesano.net. This thesis is a useful resource especially for people with a Computer Science background; it can generate many project ideas and arm any hobbyist with the tools to […]

Capturing an analog signal with Arduino and python

March 26, 2011

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Last week I salvaged a magnetic sensor from a stationary bike and connected it to my Arduino Uno in order to analyze the sensor’s behavior with the ADC converters.   I wanted to capture a good enough signal, so I searched about the Arduino capabilities: From analogRead() reference description: It takes about 100 microseconds (0.0001 […]

Salvaging an old stationary bike RPM sensor

March 20, 2011

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I had to dispose of an old stationary bike that little by little fell apart. Before throwing it away I wanted to see if I could salvage something from its simple electronics. The bike has a sensor that somehow detects the rotation of the crankset and then is used to display the RPM on a […]

ZPUino open source processor

March 6, 2011

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ZPUino is a project that offers a microprocessor that can be put on FPGA, and that can be programmed with a simple IDE. Everything is open source: the toolchain, the IDE and the VHDL code; and it can be downloaded freely. The hardware architecture is based on the ZPU (Zylin CPU), which is a processor […]

Getting started with Arduino Uno on Ubuntu

January 31, 2011

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I really wanted to try Arduino; Arduino narrates a story where the good guys are winning. Saturday I arranged to buy one, the Arduino Uno, and the first thing that came into my mind was “Wow, it’s really smaller than I thought possible!”. I went home and started unboxing it: the packages comes with a […]

Taking a look at Arduino schematics

January 23, 2011

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Out of curiosity I wanted to check some Arduino board schematics. The Arduino Uno is one of the newest boards and is also quite simple; its open source schematics can be downloaded from here(zip file). There are two files: a board layout file and a schematics file. They can be opened with the free (but […]

Debugging OpenRisc software inside RTL simulation

August 7, 2010

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Using Icarus Verilog and a custom built GDB to debug software running inside a simulation of a OpenRisc System On Chip, thanks to the Verilog Procedural Interface.

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