User Manual

VMA211
V. 01 – 09/05/2019 4 ©Velleman nv
6. Connections
The VMA211 RFID/NFC reader contains an on-board antenna, but for easy mounting reasons, an additional
antenna is included in the VMA211 set. The used antenna can be selected by two jumpers on the VMA211
board.
ATTENTION! Do not operate the VMA211 without these jumpers.
1. Antenna selection
2. Additional antenna
7. Switch Settings
The two switches on the VMA211 allow you to change the communication mode. By default, they are set for
SPI.
SET0
SET1
UART
L
L
SPI
L
H
IIC
H
L
Following jumpers have to be used for SPI communication: SCK, MI, MO and NSS.