Cornhole scorekeeper application. Uses 7-segment display (consisting of strips of RGB LEDs) to show score. UI is done trough a single button:

LED MAP

22 GPIO | | v MSB/0 v LSB/1

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|23 | |0 |
| | | | | | | | |45-------| |22-------| | | | | | | | | |29 33| |6 10|

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flashlight
46 47 48 49 O O O O

Button UI:

Single press (asleep) turn on Single press (awake) increment score by 1 Hold decrement score by 1 Hold 2s Zero score Hold 5s sleep Double click Cycle brightness Double click +Hold 2s Cycle color scheme Double click +Hold 5s Flashlight Double click +Hold 10s sleep Double click +Hold 15s selftest Double click +Hold 20s display "88" (test elements) Inactive 15 min decrease brightness Inactive 30 min sleep

num seg_map 0 1+2+4+8+16+32 1 1+2 2 32+16+64+2+4 3 32+16+64+8+4 4 1+64+16+8 5 32+1+64+8+4 6 32+1+2+4+8+64
7 32+16+8 8 1+2+4+8+16+32+64 9 1+32+16+64+8

MSB

seg pixels 0 0,1,2, 1 4,5,6 2 7,8,9 3 10,11,12 4 14,15,167 5 17,18,19 6 20,21,22

POWER

4.2v sleep mode 0.025 ma (25ua) 0, brightness 128

5v
scenario currrent(ma) Watts startup deflt 223 1 startup deflt bright4 53 0.250 startup deflt bright16 88 startup deflt bright128 406 2 startup deflt bright255 768 full bright "88" 1800 9 startup red 102 startup red bright4 45 startup red bright16 57 startup red bright128 163 startup red bright255 282 full bright "88" 600

panel off 13 CPU sleep1 13 (69.5) CPU sleep2 0.2 (56.7) CPU sleep3 0.0 (56.4) CPU sleep4 0.0

Old monochrome system CPU, no LED 13 "0" + ring full bright 400 2

14seg 23pix panel with all lights turned off 30.4 FTDI alone: 26.1 Single pixel full white ~40

startup: Display " 0" deflt: (256, 256, 256,256, 256, 256), bright=64 red: (256, 0, 0,256, 0, 0), bright=64 tiger theme: (256, 256, 256,256, 256, 256), bright=64 sleep1: dead loop waiting for key sleep2: sleep instruction sleep3: ADCSRA sleep4: disable BOD