Getting started with the USB host shield

Getting started with the USB host shield

A week ago I wrote about building a USB host to Bluetooth LE bridge. I then ordered a Sparkfun USB Host Shield from one of the UK distributors, CPC Farnell. The shield doesn't come without any headers, which prompted me…

Organising electronic parts

Organising electronic parts

Over the years I've built up a collection of random electronic parts, from Arduinos to loose resistors. I've been storing them in various boxes, containers and a locker at the Swansea Hackspace, but I really can't remember what's in there…

Playing around with Pixl.js

Playing around with Pixl.js

This morning I got a Pixl.js Espruino board for Father's Day. My son is not even two years old - how did he know that is exactly what I wanted? The Pixl.js is a SoC (System-on-Chip) with a…

Adding timestamps to a wireless temperature sensor

Adding timestamps to a wireless temperature sensor

I've been adding updates to the wireless temperature sensor code I posted last week, mainly adding timestamps to the sensor readings. I first tried using an array of objects of the form { time: <timestamp>, temp: <temperature>…