Most Recent Blog Posts

    Why cheap isn't necessarily the way to sell LED bulbs

    A guest blog, from a retailer that sells high-end lighting
    According to the United Nations Environment Program, there are approximately 633 million light bulbs currently in use in the UK. However, only about 20% of these are classed as ‘energy efficient’.

    Despite the potential energy saving benefits, homeowners are…

    Read More

    That photo-relay thing again

    Have I mentioned a have a soft-spot for photo-relays?

    Here is another one – the tiny (2.45 x 1.45 x 1.30mm) G3VM-21UR1/10/11 from Omron handles 20V and 1A, with an on-resistance of 180mΩ (220mΩ max) at a forward current of 5mA though…

    Read More

    Nice cut-away drawing

    Linear Technology has introduced LMT4632, a mini 3Aout 20Vin regulator – only 1.8mm tall, for PCIe, ATCA, microTCA Cards and the back of pcbs.

    Most importantly for me, there was a nice cut-away drawing on the accompanying slide presentaion – which is clickable above.

    I have been a little naughty…

    Read More

    The Technologist Whose Market Grew Too Fast

    Hal Philipp, founder and CEO of  charge transfer capacitive sensing specialist Quantum Research, sold his business to Atmel for $88 million.


    “I’m more of a technologist”, said Philipp in 2008, the year he sold QR to Atmel,, “I like the technology side. The business side has become almost…

    Read More

    Most read Gadget Master posts in 2014

    Here’s a Gadget Master Top Ten, but let’s ring in a change to mark December – let’s take a look at the year as a whole, to see the most popular posts of 2014…

    Read More

    Bluetooth Smart Starter Kit v2 takes Arduino in hand

    One for those interested in developing apps using Bluetooth – the Bluetooth SIG has updated its Smart Starter Kit to help speed mobile development…

    Read More