Arduino + 'undimmable' LED board Obligatory arduino board PT4115 lowest setting PT4115 full blast Me still pointing at something Me pointing at something Contacts Improvised ISP connector UP/DOWN contacts ATtiny13 board doing PWM and sensing PT4115 driver - modded The switch died, so I put in a LED Weller RT3 pencil TC33X2-202 V2.0.c front V2.0.c backside Added another 8x 0805 LEDs Added another 8x 0805 LEDs Looks a bit like... Lord Helmet Arduino is down... Smoothign capacitor across the supply 15W CFL + 7W LED full blast Weller WSM 1 - teardown Weller WSM 1 - teardown Weller WSM 1 - teardown The WEB sees everything... Coin inserted Piggy Bank sensor module Counting Piggy Bank Piggy Bank lid Counting Piggy Bank Piggy Bank innards Senosor module Sensor module The hidden brain LCD zebra strip Sensor opened up Powered up BSS138 trinity Xmas + snow Xmas + snow Xmas + snow Tubes! V2.0 beta