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5
Main MCU

1
Navigation Buttons

6
Status / Additional Info LED

7
I2C Pullups

10
Alternative Programming Interface

12
Programmer

4
OLED Display

3
LED Array

11
Power Input / Regulation

2
Extra I2C Header

9
Temperature Sensor

8
SJ1
TP3
TP1
TP2
USBC1
J1
U4
LED1
R13
Resistance
5.1kΩ
C8
Capacitance
100nF
C4
Capacitance
100nF
C5
Capacitance
10uF
C1
Capacitance
22uF
R1
Resistance
15 Ω
R11
Resistance
4.7kΩ
U2
R8
Resistance
12kΩ
C7
Capacitance
10uF
KEY1
R12
Resistance
5.1kΩ
R14
Resistance
4.7kΩ
R4
Resistance
470 Ω
R10
Resistance
4.7kΩ
KEY2
C3
Capacitance
22uF
R7
Resistance
12kΩ
C2
Capacitance
22uF
U1
LED22
H1
U6
Manufacturer Part Number
ESP-12F
F1
Current Rating
0.5 A

lot display