- Tag polling configuration
- LEDs and buzzer behaviour
Connect the reader via an On-The-Go USB Cable (OTG-USB). If you are using external power, be aware that the connection order (device, reader, power) might be important. For example, my Nexus 5 device requires me to first connect the Android device and the external NFC reader. Then afterwards I can connect the external power. Seeing an USB permissions window that disappears rather quickly is a typical symptom.
The app was built using External NFC Reader Service app, see
Get in touch if you require professional help with use of ACR readers on Android, or if you have feature requests.
Keywords: ACR 1252 NFC USB ACS