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Hello,
After facing difficulties to use Analog IN fonction, I finally found the issue.
Could you Add on the Hanbook page that you need to power on the Mbed board with a DC voltage from a power supply for example.
If you want to only use the usb power plugged to a PC, the Vout is not enough stable.
With the float result, the precision is 0.001 which is enough for basic mesure.
A+
Sares