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Posts Tagged ‘python’

VHF Frequency Counter with PC Interface

Wednesday, September 7th, 2016

Scott has published a new build: This is the general idea behind how this frequency counter works. It’s so simple! It’s entirely digital, and needs very few passive components. sn74lv8154 is configured in 32-bit mode (by chaining together its two 16-bit counters, see the datasheet for details) and acts as...

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Posted in RF | No Comments »

Python real-time audio frequency monitor

Monday, August 1st, 2016

Scott Harden writes, "A new project I’m working on requires real-time analysis of soundcard input data, and I made a minimal case example of how to do this in a cross-platform way using python 3, numpy, and PyQt." More details at Scott Harden's blog. All project files are on GitHub. Check...

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Posted in how-to | No Comments »

Controlling Bus Pirate with Python

Thursday, July 14th, 2016

Scott W Harden writes, "After using the AVR-ISP mkII for years (actually the cheap eBay knock-offs) to program ATMEL AVR microcontrollers, today I gave the Bus Pirate a shot. Far more than just a microcontroller programmer, this little board is basically a serial interface to basic microcontroller peripherals." Full details at SWHarden...

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Posted in Bus Pirate | No Comments »

A XSVF assembler/disassembler in python

Tuesday, September 8th, 2015

Marcelo Roberto Jimenez wrote an assembler/disassembler for XSVF, he writes: As a sequence of my last project, the JTAG/XSVF library for Arduino, I felt I needed a XSVF assembler and disassembler, so that I could hack JTAG a little bit. I found that XSVF is very convenient, much more than...

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Posted in hacks, JTAG | No Comments »

Calculator for audio output transformers

Wednesday, August 26th, 2015

Dilshan Jayakody  writes:     Audio output transformers are heavily used in vacuum tube and some (older) transistor base audio power amplifiers, but these days output transformer are quiet hard to find and expensive item. For homebrew projects the best option is to construct those transformers by ourselves and this script...

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Posted in hacks | No Comments »

BOMtools: Python scripts build Kicad part database

Friday, June 12th, 2015

Steve Rodgers has been busy coding. He's developed a set of Python scripts (BOMtools) which allow you to extract part numbers from a Kicad schematic and match them to a part number database. There are two scripts. One which does the part merge operation and is called from Kicad and...

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Posted in partlist, parts, scripts | 1 Comment »

BoardMerge Python tool merges Eagle PDFsfiles

Sunday, April 19th, 2015

Rohit Gupta has written a Python command line tool to merge several PDFs generated by Eagle into one for easier printing when using toner transfer method. He calls is BoardMerge and you can download it from Rohit's website. Via the contact form.

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

Fixing a Mega drive cartridge with old BIOS chips

Wednesday, February 18th, 2015

Robson of Dragão sem Chama writes, "this time I want to share my Mega Drive flash cart made of old BIOS chips. I made it because my Sonic cart was not working since always. I used Arduino, Python and a bit of Processing (nice to show visual info) to program" Via the...

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Posted in repair | 1 Comment »

Static DOM XSS scanner

Friday, November 21st, 2014

A Static DOM XSS scanner by Ajin Abraham, that is available at Github: Static DOM XSS Scanner is a Static Analysis tool written in python that will iterate through all the JavaScript and HTML files under the given directory and will list out all the possible sources and sinks that...

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Posted in tools | No Comments »

A breakout board for the Raspberry Pi to learn Python

Wednesday, October 8th, 2014

RPi Board, a board to learn Python with the Raspberry Pi by Jesus Echavarria. He writes: Once I check that all is Ok, it’s time to start programming. There’re a lot of manuals and references over internet of how to start programming in Python. Here I’ll cover the basic examples to...

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Posted in R-Pi | No Comments »

Easy WebSockets with Flask and Gevent

Tuesday, April 29th, 2014

Miguel Grinberg writes: This weekend I decided to take a short vacation from my book writing effort and spend time on a project I wanted to work on for a long time. The result of this effort is a brand new Flask extension that I think is pretty cool. I'm...

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Posted in scripts, site | No Comments »

Home produced 700VA isolation transformer

Wednesday, March 26th, 2014

Dilshan Jayakody writes: This a quick post regarding homemade 300V - 2.3A isolation transformer. This transformer is a part of my ongoing 300V AC/DC variable power supply project and it’s boxed as a separate unit because of its heavy weight and size. All the parameters of this transformer are calculated...

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Posted in DIY | 2 Comments »

RTL_FM_Python: An API and web interface for controlling RTL_FM

Thursday, February 6th, 2014

Here's an interesting piece of open source code known as RTL_FM_Python for controlling the RTL-SDR dongle. "This is a Python library built upon the RTL-SDR project and allows you to use the RTL-SDR dongle to tune in arbitrary stations either with a simple web application running on a built-in server,...

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Posted in open source, RF, SDR, software | No Comments »

SSD1306 and Python with the BeagleBone Black

Wednesday, February 5th, 2014

Ethan Zonca of Protofusion writes: The SSD1306 is an OLED display made with SPI and I2C interfaces. With a simple Python library I adapted (a modified version of py-gaugette), it is easy to render text, images (from bitmaps of pretty much any format), progress bars, etc. This guide is a...

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Posted in library, OLED | 1 Comment »

Micro Python: Python for microcontrollers

Thursday, November 28th, 2013

Torsten came across an interesting project on Kickstarter called Micro Python by Damien George.  He writes: It has some very nice new design ideas as well as a totally new way of dealing with uC. I often do prototyping of a certain algorithm in python because it is very easy to debug and test. After that,...

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Posted in dev boards | 3 Comments »

Dancing Lego and Five Servos

Tuesday, May 21st, 2013

Pierre Villeneuve writes about his Dancing Lego robot project: Its based on my Raspberry Pi, five servo motors, and Lego parts stolen from my son’s collection. The robot dances to some pretty groovy music, and there is a special appearance by Lego Batman.In addition to the Pi, he uses a...

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Posted in R-Pi | 2 Comments »

Google guys develop lawn irrigation system with Android and Arduino

Friday, March 22nd, 2013

Google engineers J.J Barrons and Joe Fernandez have developed this lawn irrigation system. Dubbed Irrduino it uses Android, Ardiuno, Python, Dart and the Google App Engine. The project hardware details can be found on JoesHacks blog. The source code can be downloaded from Google code. The files include an Arduino...

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Posted in Android, Arduino, code, open source | 9 Comments »

RTL-SDR scanner

Saturday, February 23rd, 2013

Al from Ear to Ear Oak has released this open source cross platform Python frequency scanning GUI for the OsmoSDR rtl-sdr library. The software scans a range of frequencies and plots the result, allowing you to find signals to investigate. The RTL dongle has a maximum bandwith of about 2.8MHz...

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Posted in code, open source, RF, SDR | 1 Comment »

R-Pi as Arduino HDMI server

Thursday, January 3rd, 2013

jokkebk over at Code and Life has developed a simple “HDMI server” for the Raspberry Pi that uses pyserial to receive commands over Pi’s serial interface, and pygame to display graphics primitives according to those commands. An Arduino client was written to send these commands to the Pi, drawing a...

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Posted in Arduino, code, R-Pi | No Comments »

Python module for transmitting and receiving infrared signals with an IR Toy

Friday, October 19th, 2012

Crleblanc wrote a Python module for transmitting and receiving infrared signals with the IR Toy. It's tested under Linux, Raspberry Pi, and is expected to work under Windows as well. It's open source and hosted on the the Python Package Index (PyPI) linked above. I played around with the IR...

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Posted in open source, USB IR Toy | No Comments »

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