Martin Brennan is a computer engineer who developed pioneering personal computers such as the Loki (for Sinclair Research) and the Atari Jaguar video game console.
Brennan initially worked for Sinclair Research where he designed the digital electronics and software in ZX Interface 1 before going on to found Flare with ex-Sinclair colleagues John Mathieson and Ben Cheese.
In 1997 Brennan founded the "Cheap & Cheerful Chip Company" which later went on to become Global Silicon Limited.
The second generation audio player, Brennan B2 with web interface, based on the Raspberry Pi chipset, is available as of 2015.
Featuring an integrated speaker and ability to run on 4 AA batteries, the BB1 is controllable via physical buttons or a smartphone/web app and can act also integrate with Spotify and Sonos.