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Sampo S1 simple "read, notify" protocol/bytestream example

I would like to utilize six Sampo S1 readers (yes, I only read for now, I know they can do much more) to count people entering and leaving a conference.

I am looking for the correct byte sequence to send to the devices, to a) start them up with whatever has been configured using the windows tool (ie. with the settings that have visually been confirmed), b) set them up so that (at best) every time a new tag is detected a message is sent with the tags ID and EPC to a connected (in my case, python) client.

Simple? Somehow... not for me. For some reason I apparently initialize the device wrongly, I get only a very short reading distance as opposite to the Windows demo software which reads the tags perfectly and from quite far away.

I have read through the API description, yet I seem to forget something.

Thank you in advance, Christian.

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