Resolved! ST25RU3993-HPEV read tags in 3ft only
At ST25RU3993-HPEV firmware how to control an antenna distance? For eg. I want an antenna to read tags in 3ft only.
Forum Posts
Resolved! ST25RU3993HPEV - suddenly not detecting tag
I have been using the ST25RU3993HPEV board for the Tag detection. Earlier the board is performing well and it was detecting tag. But suddenly reader is not detecting tag.Is there any chance for power amplifier regulator has gone bad? If the tag is ke...
Resolved! ST25RU3993 board power control
i used to STRU3993 EvalI got the result based on the following code.I wonder what that result means.It seems to be the result of the antenna performance here.If it is the output of the result for the antenna performance,I wonder what function should ...
Resolved! ST25RU3993-HPEV Read_Gen2 command
While trying to read gen2 tags with the ST25RU3993 reader. Reading address 0x02 in the EPC memory bank seem to work, but word addresses beyond 0x7F in the User bank give me an error (ERR_RXCOUNT). I know that the memory is accessible with another rea...
Resolved! Manual RSSI calculation showing different values than GUI
Hi ST,We are currently adapting ST code into a Linux device driver to control a ST25RU3993.We are trying to integrate the RSSI calculation.Following the AN4971 Rev2 and this ST question, we use formula meanRSSI = [RSSI(I) + RSSI(Q)] / 2 Pin (in dBm) ...
Resolved! st25ru3993 dbm question
hello everyoneI am using st25ru3993.The features we want are:1. Is it possible to split the frequency down to 0.1 MHz?2. Is it possible to split the db by 0.5 or 0.1?3. I am testing the sdk and I want to check the dbm value. What class or structure c...
Resolved! Segmentation fault when running STUHFL_demo applications
Hello, I am working on ST25RU3993 STUHFL SDK package v3.1.0.0 to run the STUHFL_demo applications on a Raspberry Pi 3 Model B V1.2 device. Following the instructions specified in the user manual (UM2618), I compiled the middleware source files on RP...
Resolved! About UART and host communication
hello stI am using ST25RU3993-HPEV now, now I want to use UART to communicate with the host, please tell me the detailed operation steps, thank you!Second, if I want to reduce the communication rate (3M), such as using 115200, what should I do?
Resolved! ST25RU3993 evaluation board: motor driver
Hello!I am new to ST products and have recently ordered ST25RU3993 reader IC evaluation board. The idea is to use the reader for access control in a building. I was wondering if any electrical motor driver could be connected to the evaluation board?T...
Resolved! Output power on st25ru3993 really low
Hi ST,We bought a ST25RU3993-HEPV last year to evaluate the RFID chip and wanted to control it using SPI (You already helped us with that question and this one). The SPI master is a Cortex A15.We are currently adapting ST code into our newly created ...