I have been playing around with the XRF wireless module from CISECO. They come with firmware which makes the XRF act like a serial link (ie. serial data sent in one end will come out of another XRF in range). This is a typical set-up and how I have used them before. Other firmware has … more
I enjoy sprouted beans and seeds. They need watering a couple of times a day, but I am often away for a few days and hence my sprouts dry up. So I used high-tech to help solve this and created my electronic automatic super sprouter. This is basically a timed pump which waters the sprouts … more
A few months ago re-innovation helped Magnificent Revolution Australia build their 8-bike pedal powered cinema. They recently used the pedal generator for a high-profile event in the heart of Sydney. More photos from the event are on their website here. It looked like a great event. This followed the general design used for the Magnificent … more
A year or so ago I was asked to build a pedal powered generator and pedal powered smoothie machine for London Bike Hub. Recently they asked me to build another smoothie bike for their events promoting cycling in London and beyond. This time I thought I’d take a few photos of it before I deliver … more
I recently helped with delivering a practical workshop on solar photovoltaics as part of a day-long event relating to Energy and International Development. This course was organised by Engineers Without Borders UK and funded by the Royal Academy of Engineering (RAEng). The course participants were undergraduate engineers who had received the RAEng Leadership Award. Course … more
This is a quick post on an LED lighting rig I have been working on. This is an RGB (Red Green Blue) unit which is designed to fit into a standard halogen light housing. The LED board is a commercial unit but I built a programmable colour control circuit. … more