May 262014
Bitscope Micro Logic Analyser Demystifies SPI on the Pi

SPI – Serial Peripheral Interface Demystified I was in need of an interesting signal to check out the logic analyser functionality of the BitScope micro. So, another of my current RasPiO® Beta boards was used as a convenient way to connect an mcp3008 analog to digital converter (ADC) to the Pi and the scope. I don’t claim to be an expert on SPI, but having spent the best part of a day playing with it, the mcp3008 data sheet and the BitScope Micro, I understand it a lot better now. Four pins are used… CEO […more…]

May 192014
Bitscope Micro. USB Scope that works on Raspberry Pi.

When I first saw the Bitscope Micro on the Raspberry Pi Foundation blog, it ‘ticked all my boxes’. A couple of weeks later, when Pimoroni tweeted about having the first batch in stock, I ordered one immediately. In my circumstances, it would have been rude not to. Why? The reasons are too numerous to list them all, but here are the first few that spring to mind… I need a small, portable, USB scope since I spend about 20% of my time abroad and take my work with me. It’s also a logic analyser – […more…]

May 042014
Best Wire Strippers for Electronics?

I needed some new wire strippers as I got fed up damaging my thumb by using a knife. Not knowing which were best, I decided to buy four different types and try them out. The findings are quite interesting. One wasn’t any good, one was the best budget pair, another was the most flexible, and another was the best for electronics work. Have a look at the video to see the results.