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Schematic

Layout

Preview

R2
Resistance
10kΩ
R1
Resistance
100kΩ
R3
Resistance
10kΩ
SCL
RFID_IRQ
USER
C5
Capacitance
0.01uF
ESP_RST
+3V3
C6
Capacitance
0.01uF
C3
Capacitance
0.01uF
RFID_IRQ
RFID_CS
C4
Capacitance
22uF
+3V3
RFID_RST
VBAT
+3V3
+3V3
BOOT
SCK
+3V3
ESP_TX
MISO
RFID_CS
BOOT
C7
Capacitance
1uF
ESP_RST
BOOT
SDA
MOSI
USER
ESP_RST
+3V3
RFID_RST
C2
Capacitance
22uF
MOSI
SDA
C8
Capacitance
22uF
IO8
SCK
ESP_RX
SCL
LOCK
+3V3
LOCK
MISO
ESP_TX
ESP_RX
U2
LOCK
BOOT
USER
EN
U1
L1
Not Recommended for New Designs
Inductance
2.2uH
Regular non-rechargeable AAA battery
Line 1
Line 1
IC1
Roberto Alvarez - 7"A"
PROG
BAT1
OLED1
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