Arduino Wifi Rev2 Manufacturing error Component C904
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Description
There is a manufacturing problem with the Arduino UNO WiFi Rev2 board involving a wrong component. C904 is a 20pf capacitor on the crystal for the RTC. On at least 3 boards from two or three sources, there was a 19.1k resister where that capacitor should be. One was a board I bought from Amazon that I returned. A second one was bought directly off the Arduino online store. Both have that problem. There is a third one reported in some detail and with pictures in this library issue: [TimeLib.h updated for use RTC circuit embedded with megaavr #27](url).
I am posting here in the hope that someone can confirm the right people at Arduino are aware of this and confirm that changes to the manufacturing process is being taken.
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