Big brother to the Blinkt, small brother to the Unicorn HAT, the PHAT version is a 4 x 8 matrix of RGB LEDs.

At £10 it gives you twice as many LEDs per pound as the Blinkt (a 1 x 8 strip of the same LEDs costing £5). But what am I going to do with the extra ranks of multi-coloured shiny sparkles?...

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