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U2
SCL
RFID_IRQ
RFID_IRQ
BOOT
SCK
ESP_TX
MISO
RFID_CS
ESP_RST
BOOT
SDA
MOSI
USER
RFID_RST
IO8
ESP_RX
LOCK
MISO
ESP_TX
ESP_RX
+3V3
C4
Capacitance
22uF
+3V3
+3V3
R1
Resistance
100kΩ
+3V3
U1
ESP8684-WROOM-02C
C7
Capacitance
1uF
C2
Capacitance
22uF
C8
Capacitance
22uF
+3V3
L1
Not Recommended for New Designs
Inductance
2.2uH
IC1
PROG

WiFi RF-ID lock reference design g7u8 eb3f