MintyBoost – Build Photos
MintyBoost

The MintyBoost is an open-source, small form-factor, USB charger which runs on AA batteries – and lets you charge your mobile phone, tablet or other USB device, without the need for mains power or a computer.  It was designed by one of the leading proponents of the open-source hardware movement, LadyAda – aka MIT Engineering […]

Getting started with BeagleBone

I’ve just picked up a BeagleBone… BeagleBone is a small, low(ish) cost, open-source Linux computer on a  board – using an ARM Cortex-A8 processor running at 720 MHz, with 256 MB of RAM.  Unlike an Arduino – this is a fully-fledged computer. This makes it extremely powerful – and makes it a nice device to play with, to […]

555 Astable Oscillator Video

Here’s a video that I made to accompany my previous blog post…

555 Astable Oscillator

In my last few posts I’ve been writing about using an Arduino to generate waveforms. Part 3 of that series is still in the works (I’ve not forgotten, honestly!) – but this time I want to write about an alternative way to make a simple waveform: using good old analogue electronics, without the need for […]