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# WARNING
-Some badges fail when plugged in to USB,
+Some v0 and v1 badges fail when plugged in to USB,
the MCU develops a short and destroys itself!
-I tried to weed out these faulty MCUs but I can't be sure the ones that
-seemed fine won't develop this problem.
+
+If you have a v0 or v1 badge install a 10uF cap between pins 4 and 8
+(VSS and VREGIN) on the BREAKOUT1 header.
+
+![VREGIN capacitor](vregin_cap.jpg?raw=true)
## Getting Started
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