DFR0921 VIN → 5V?
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The DFR0921 terminal block shield's 5V output of U1 is connected to the 5V output of the Mega2560 DFR0191.
On DFR0191, there is a path from 5V to enable U1 of the DFR0191 (image below).
This seems like a problem no?
![](https://dfimg.dfrobot.com/6643393faa9508d63a43b295/enshopforum/ce09c7cb46eba44d07eba50083608745.png)
The DFR0921 terminal block shield's 5V output of U1 is connected to the 5V output of the Mega2560 DFR0191.
On DFR0191, there is a path from 5V to enable U1 of the DFR0191 (image below).
This seems like a problem no?