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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.
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.
The text was updated successfully, but these errors were encountered:
agdl, I bought one last week from Arduino USA and it was bad. After 3 orders, all bad, Arduino Customer Support arranged to have a verified fixed one shipped to me directly from Italy. So the problem is not yet corrected in all distribution centers.
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.
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.
The text was updated successfully, but these errors were encountered: