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Posts from ‘April, 2010’

Bouncing a ball on the WikiReader

One of my standard ‘hello world’ applications is bouncing a ball around the screen. Here’s a video of the WikiReader version: The rig at the top is a 3.3 V serial level converter that hooks into the debug connector. The WikiReader boots a small serial loader from the SD card so that I can quickly [...]

Cracking the WikiReader open

Pictures of a cracked-open WikiReader are (suitably) on the wiki

First steps on the WikiReader

It’s a small achievement, but I got my first application running on the Openmoko WikiReader. It’s a hacked version of their application that only displays a image and single line of text but, still, it’s a start: I can think of a range of uses for the device so far: A scrollable map with details [...]

Exercising a battery

I’ve had an enjoyable time today exercising a new Lithium Polymer (LiPo) battery for a client. The enjoyable part was how well the tools came together and how little effort was involved in the end. The battery is a single cell 3.7 V with a 3500 mAh capacity. I charged it at 1 A using [...]

Jobs available

A Christchurch based client is interested in hiring an embedded engineer and a C# desktop application engineer. Please contact me if you’re interested. Python or control system knowledge is a plus.