Thank you for your help
I would suggest you Option 2, which includes the Arduino Nano 33 BLE Sense. This microcontroller already has Bluetooth capabilities, which simplifies the communication process between the Android app and the Arduino board. Also, it includes several built-in sensors that may be useful for your project, such as an accelerometer, gyroscope, proximity sensor. Option 1 offers gesture recognition with the PAJ7620 sensor, the added sensor capabilities of Option 2 can good for the overall functionality of your app.
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Thank you for your response.
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