Toluu

Beer, Coffee, and a little DSP

Building an Electric Car Part 2November 12

After about 1 year of part time work my electric car is now on the road and in daily use. There were many challenges along the way, like learning to weld, learning about cars, the various regulations, climbing the Electric Vehicle (EV) learning curve, and several electric shocks! I have just passed the final government [...]

Peak Oil and Why Growth is EvilNovember 12

Oil has no future. Really. Just look at this graph of oil discovery (borrowed from this excellent Peak Oil Overview). The graph shows oil discovery (in billions of barrels) per decade. Now oil discoveries peaked at about 500 billion in the 1960’s, about the time I was born and started crawling towards anything [...]

Open Hardware 3 Years OnSeptember 27

In 2005 I started working with Asterisk on the Blackfin. This led to the Free Telephony Project, and the idea of using open hardware techniques for telephony. The idea of open hardware (people collaborating to build free hardware designs just like open software) was a big experiment, especially when it came to commercial [...]

The Mesh Potato Part 1September 9

In June 2008 I was invited to attend the Village Telco workshop in Cape Town. Cape Town in June was rainy and cold. However the people in South African’s were very friendly, more so than most countries I have been to. While in South Africa I also attended the Wireless Africa workshop, [...]

VOIP for Nine Year OldsJune 10

How easy is it to set up VOIP over Wifi? One of my goals is to help people in the developing world get telephony. The problem is that the target market (e.g. some guy in a village) may not be a highly skilled geek who can handle Linux, Wifi, and Asterisk configuration. Imagine a [...]