Circuit Board design with the exception of the antenna and all respective parts (except the nRF51422 which I already have in my possession) have been ordered. They should arrive Tuesday [ … ]

Some slow progress, but it’s coming along. The schematic is about 90% done, but the PCB has barely been touched. I’ve just been doing some trials making sure it all [ … ]

Phew. It’s taken a bit, but in theory – and in individual component measurement, I am down to just about 5ma of current. On a CR2450 battery this should be [ … ]

After spending 3 hours literally looking at bike cranks, holding them in very different ways, in different light, cutting out pieces of cardboard and tucking them in different places I [ … ]

Quick Video showing the basics working. It’s not truly calculating power yet, but that is a minor calculation. I’m mainly debugging and trying to figure out power consumption right now.

Minor coding changes can have a major effect on current consumption. The above was taken running a while loop to wait for the DRDY line to de-assert itself. Notice the [ … ]

Anyone who knows me personally know that I’m a big Adventure Time fan. I love the nonsensical nature of the show as it provides a nice relaxing escape. Lately I’ve [ … ]

Prototype parts are starting to show up. The first items are the cranks. Currently the line up include 4 x SRAM Rival GXP 53/39 172.5mm, 1 x S950 50/34 170mm. [ … ]

I have written a couple of partial posts and have chosen against posting them. Upon re-reading I was feeling that I haven’t added any real content – just subjective opinions [ … ]

I’ve created a relatively aggressive schedule for myself which should have prototypes for beta testers to use around the end of June or early July. If you look closely to [ … ]