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Showing posts from May, 2014

Quick update - txtr Beagle, Toshiba TV firmware and queued projects

There are several projects in which people seemed interested that have a pending follow-up: Txtr Begle alternate software I have managed to buy another one off eBay since one month or so. I've tried setting up the Python bluetooth suite but it's not working on Windows and there are no ready-made binaries. I do not want to force people on Windows to hunt around. I've tried setting up a Java program to communicate via Bluetooth SPP to the Beagle. However this proved extremely unreliable and highly dependent on your Bluetooth suite and hardware adapter. The best solution for now seems to go the txtr way: make a phone app. I will try to develop an Android app that is able to: send screenshots to the reader, send pre-rendered browser pages and perhaps pre-rendered pdf documents. It will probably take one afternoon of research and another afternoon of coding, source code will be made available upon completion. Toshiba TV firmware One week ago I have finally received t...

Building a cheap USB power measurement device + analysing some USB chargers

In this post I will describe a way to build a really cheap device that will allow you to measure USB power consumption and supply characteristics. It's ugly but it takes 15 minutes of your time and a broken USB hub. Then I will take a look at various USB chargers and see how they perform, hopefully not as bad as the one depicted below: