Logging I2C Data with Bus Pirate and Python

Scott Harden writes, “I’m working on a project which requires I measure temperature via a computer, and I accomplished this with minimal complexity using a Bus Pirate and LM75A I2C temperature sensor.” More details at SWHarden.com. Get your own handy Bus Pirate for $30, including world-wide shipping. Also available from our friendly distributors.

Brute force computation for cheap log digital potentiometer

Michael from Acidbourbon writes: This article covers the attempt to build a digital logarithmic potentiometer out of two linear potentiometers. The benefits of this concept Linear digital potentiometers can be easily procured and don’t cost much There are IC packages with two or four modules inside anyway The resulting logarithmic potentiometer is very flexible in […]

Hacking a UART where there never was before

Thanks to Andrew for sharing – check out the full post on their blog, MOAM Industries. As part of a prototype developed 12 months ago I was tasked with reading measurements from a blood pressure cuff [sphygmomanometer] in real time. Not surprisingly there are no consumer level devices that have a serial interface because what […]

Seeed Studio March sale: Bus Pirate, USB Infrared Toy, ATX Breakout

Seeed Studio shares our vision for the open source community. Since the beginning, Seeed has been our partner for project manufacture, sales, and shipping. That free us to concentrate on the fun stuff, but still make projects available to the community. Seeed kicked off a spring sale on Mar 1st. Each week they’ll have a […]

ESP8266 firmware flashing with a Bus Pirate

Jonathan Endersby writes, “Flashing the firmware on an ESP8266 is apparently not so straight forward. This is the process I used to get it to work reliably.” Via Hackaday.io Get an assembled Bus Pirate for $30, including world-wide shipping. Also available from our friendly distributors.

6 Volt 5 Watt solar charge controller

Steve made this 6 volt 5 watt solar charge controller project, that is available at Github: Here is a 6 volt 5 watt solar charge controller project using a dedicated printed circuit board from dirtypcbs.com and an Arduino pro-mini. The board uses sot-23 low RDSon P channel mosfets (Si2369). It has voltage and current sensing, and 3 […]

Bus Pirate support in Python3 for I2C scripting

Steve aka hwstar writes, “I just wanted to let you know that I modified the python Buspirate Bitbang.py file and the I2C.py file to support Python 3.4 for a project I’m working on, and wanted to share these files with the community as they are open source. I uploaded the modified files to Github. These files […]