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21
PC software
PC
① Start WiFi access point
④ Connection OK
(Supplement) WiFi file transfer sequence
UART
312500
Serial-IF
USB
bps
MCU board
Start WiFi access point and
wait for the connection from
the mobile phone.
② Write data into the tunnel memory
(Start Command &
③ Connection request to the access point from the mobile phone by WiFi
NFC
Antenna
TAG
mobile phone
NFC-TAG board
(with NFC controller)
)
WiFi MAC address
Touch the tag by
the mobile phone
⑤Send file data
Android
application
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