In the two previous posts in this series, we can read about how a coffee machine was hacked using the BBC micro:bit, and the options for low power wireless with this device. In this post we will take a look…
Introduction The BBC micro:bit device is based around the nRF51 SoC (System on Chip), which has a built in 2.4 GHz radio. A natural progression of the coffee timer project was to make the sensor device broadcast its information over…
The first prototype mounted on the coffee maker. This version displayed minutes as dots on the display. A button push revealed the time in numbers. Introduction In our office, we have a coffee maker capable of making large amounts of…