Bluetooth Low Energy Expansion Board based on BlueNRG for STM32

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Forum Bluetooth Low Energy Expansion Board based on BlueNRG for STM32

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Former Member over 9 years ago

Es-ce que la carte X-NUCLEO-IDB04A1 est compatible pour fonctionner directement sur une carte Arduino UNO, j'entend au niveau de la compatibilité 3V3 - 5V ?

Merci

0 Former Member over 9 years ago

Hi Arnauld,

The X-NUCLEO-IDB04A1 EXPANSION BOARD is compatible with the Arduino uno R3 connector physical layout as far as pin placement. However, the Bluetooth IC on the board is not 3.3V tolerant, and there is no level translator on the board. Therefore, I would not recommend to use it directly on a Arduino board with 5V IO.
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