Hello everyone sorry for my bad english i'm french .
I have an arduino 33 ble attached with io expand shield :
the power led on the shield not work and is same for pins connexion ,
but the input on the shield work like reset button , and power .
Thanks you for your help
Welcome to the forum
What voltage does the shield run at and where is it getting its power from ? If it is from the 5V pin of the Nano BLE have you enabled it ?
the shield run at 5v and thank you is caused by the 5v pin i have not enabled , i have solder the plate and now everithing is working .
My crystal ball is in good form today
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