RGB LED Ring - V1.21
New batch of boards
Knock knock
Knock knock
Knock knock
Knock sensor + amp
Knock sensor + amp
Makeshift workbench
Knock sensor waveforms
Knock sensor waveforms
Knock knock
Old com system
Old com system
AVR recycling
AVR recycling
Dangling intelligence
Dangling intelligence
Still driving to Copenhagen
20 Swedish Kronor Bill
Frederiks Kirke
Still driving back home
Copenhagen Harbour
A "let me cross the water" building
White Wagtail
Scarlet Minivet
Red-whiskered Bulbul
Roseate Tern
TI-85 magically fixed ;-)
TI-89
TI-89
TI-89 front cover
TI-85
TI-89 backcover removed
TI-85 2 dead lines :-(
TI-85
TI-85
TI-89 menu
TI-89 integration
TI-89 sum + plot menu
TI-89 function plot
TI-89 info page
TI-30
TI-85 shield removed
TI-30
TI-89 - 'full frontal nudity'
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RGB LED Ring - V1.21 front side


This time I ordered the RGB LEDs from JELEDHK (ebay) and got a better deal. Unfortunately the semiconducter chips seem to be reversed, so the LED packages have to be rotated by 180° to make it work again. Now the silkscreen is incorrect. I'll have to make adaptions to the code as well.
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