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nRF24LU1 characteristics and capabilities

Hi, regarding a nRF24LU1, we are developing a system composed by 4-5 sensors (eachone based on nRF24L01) that send acquired values to a single nRF24LU1 receiver connected to a PC with USB. Some questions rised while evaluating the characteristics of ICs.
- Is the microcontroller inside the nRF24LU1 powerful and able to be programmed to collect these data from the differents pipes and prepare a new record on regular interval adding some kind of timestamp in each record and send it to the USB side?
- Is the nRF24LU1 able to work even if some transmitters are offline?
- Is it possible to enumerate the USB receiver as a custum device which is neither a HID nor remote controller nor similar and delegate the controlling of the USB device to an ad-hoc user software on a PC?
- In case of the replacement of a transmitter, if on the receiver side it was on pipe 1 to 5, it share the initial part of its address with other transmitters, right? Is it need to change the factory address of the transmitter to aling it to exixting transmitters?
- From an ad-hoc user software on a PC, is it possible to use the nRF24LU1 via USB to scan for new or replaced transmitters? And find their address? Or addresses of the transmitters need to be inserted by hand to the receiver?
- The firmware inside of the nRF24LU1 can be updated via USB from an ad-hoc user software on a PC?
Thanks.
Waiting for reply, best regards.

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