Watch video here

Parts List:

Adafruit Flora microprocessor

Maplin Electronics £15.99

RS Components £15.46

Piezo transducer

Maplin Electronics £1.39

USB charger 2600mAh

Amazon £4.99

NB: before Brexit these were less than half price :Õ(

USB to mini (not micro!) USB cable

Bluechargedirect £0.99

For drums:

Waterproof Neopixel Strip 30LEDs/m

(1m should be enough for the circumference of a caixa, hep or timba - you may need more for surdos or more elaborate patterns)

Happychrisji (China) £20.86 per 5m

Chinly2012 (China) £17.24 per 5m

Makersify (UK) £16.00 per 1m(!)

Proto-PIC (UK) £14.82 per 1m(!)

Alternatively, for glasses:

2x Neopixel rings

czb6721960 (China) £4.31

Cool Components £15.98

CPC Farnell £15.98

Cables

I used a combination of CAT 5 cable I had kicking about and m/f DuPont wires to create detachable connectors.

Circuit Diagram:

Code

Dependencies:

Download the code here