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Schematic of WiFi RF-ID lock reference design
SCL
USER
ESP_RST
RFID_IRQ
RFID_RST
SCK
RFID_CS
BOOT
ESP_RST
BOOT
SDA
MOSI
USER
IO8
LOCK
LOCK
MISO
ESP_TX
ESP_RX
LOCK
+3V3
R2
Resistance
10kΩ
+3V3
+3V3
R1
Resistance
100kΩ
C7
Capacitance
1uF
R3
Resistance
10kΩ
+3V3
U1
OLED1

WiFi RF-ID lock reference design