Activate oversample in Arduino IDE for nrf52832

RE: Activate oversample in Arduino IDE for nrf52832

Jørgen Holmefjord — Tue, 15 Aug 2017 09:38:11 GMT

Please have a look at this answer from the SAADC designer.

RE: Activate oversample in Arduino IDE for nrf52832

Christian — Tue, 15 Aug 2017 09:33:35 GMT

Hi,

I have taken your code and put it into mine. It seems to work. With a resolution of 14 bit and 4x Oversampling the noise is cut to half. But it is still a very high noise. For higher oversampling rates the reading hardly gets better. Is any further trick for less noise available?

Best regards, Christian

RE: Activate oversample in Arduino IDE for nrf52832

Jørgen Holmefjord — Tue, 15 Aug 2017 06:23:05 GMT

Hi,

Something like this should work (based on the RedBear library):

wiring_analog.cpp

wiring_analog.h

You can then set oversampling using analogReadOversample(uint16_t oversample).

(I have not tested the code, so please let me know if there are any errors)

Best regards,

Jørgen

RE: Activate oversample in Arduino IDE for nrf52832

Christian — Mon, 14 Aug 2017 20:26:42 GMT

Hi Jørgen, thanks for your answer. Do you have any hint on examplary code? Maybe with sandeepmistry's libraries? github.com/.../nrf52.h

BR, Christian

RE: Activate oversample in Arduino IDE for nrf52832

Jørgen Holmefjord — Mon, 14 Aug 2017 15:10:46 GMT

See my answer in your previous question. You will have to modify the RBL Arduino library.