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Badge Killer Shitty Add-On
No more blinking leds for you!
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TwinkleTwinkie
szynyszyl
Benchoff
ntembed
Oh I love this. Quick implementation idea. First use a boost converter to bring the 3.3V up as much as possible than an H-bridge type switcher into a diode -capacitor voltage multiplier. The H-bridge switch would need a clock, let's use SCL for that. First the Add-on sits there doing nothing until the badge tries to talk to it, which starts building up the voltage until it is high enough to feed it into the GPIOs.
#not_a_badge