Control device buzzer when an NFC card is detected. ACR122U or compatible NFC reader devices.
I bought an ACS ACR1252 NFC Dual Reader on amazon. By default the reader buzzes when it reads a card. You can use this tool to disable or enable this behavior.
The full API for the device is here: https://www.acs.com.hk/en/download-manual/419/API-ACR122U-2.04.pdf
Kudos to Daniel Mueller for his great PC/SC wrapper for .NET (https://github.com/danm-de/pcsc-sharp).
Connected readers:
(0) ACS ACR1252 Dual Reader PICC 0
(1) ACS ACR1252 Dual Reader SAM 0
(2) Windows Hello for Business 1
Please select a compatible ACR122U device...0
Using ACS ACR1252 Dual Reader PICC 0
Expected state:
(0) Buzzer will NOT turn on when a card is detected
(1) Buzzer will turn on when a card is detected
Please select state...0
Setting buzzer state... Success!
This tool is using .NET Core 3. A ready to use, self-contained executable, running on Windows, is available here.