✕
00:00
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John Smith
J
Jane Doe
B
Bob Wilson
A
Alice Chen
M
Mike Torres
S
Sara Kovač
Hey, what's up?
Looks sick! When ship?
Got your QR code scan
Nice PCB on the back!
NFC worked first try
0card v1 spec — 2026-06-12
ESP32-S3 pinout rev.A
LoRa 868MHz channel plan
Shopping: 8 items
TODO: order PCBs JLCPCB
June 2026
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Head north on Main St 400m
Turn right on 5th Ave
0.6 km · 8 min walk
CONTACTS
MESSAGES
NOTES
CALENDAR
DIRECTIONS
VGA 640×480
QR SCAN CAM
RF ANTENNA
LANYARD HOLE
MICROPHONE
2.7" 400×240
SHARP MEM SCR
2KB QR CODE
BIDIRECTIONAL NFC
SENSOR 13.56MHz
1408984720028
1408984720028
DEJANMILOSEVIC
DEJANMILOSEVIC
ESP32-S3
WROOM-2
XTENSA LX7 240MHz
LoRa
SX1276
868MHz
GPS
NEO-8M
u-blox
NFC
PN532
13.56MHz
FLASH
W25Q128
128Mbit SPI
PMIC
AXP192
LiPo Charger
32MHz
BAT
USB-C
0CARD v1.0 · REV-A
2026-06-12