Product Specs

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7.Functional Specification：

7.1 serial port TX is P00, RX is P01 and baud rate is 9600

7.2 hardware reset function, RST and low level reset

7.3 there is a serial port AT instruction function

8.AT Telnet：

8.1 the corresponding function is realized by inputting a specific string into the serial port

9.Apply circuit diagrams：

GND

VCC

P31

ADC1

P32

I/O

ADC2

P10

I/O

PWM0

P11

I/O

PWM1

Reset pin (low level

reset)

GND

P12

I/O

PWM2

P13

I/O

PWM3

P33

I/O

ADC3

P16

I/O

P17

P07

I/O

Burning mouth

P06

I/O

Burning mouth

P05

I/O

Burning mouth

P04

I/O

Burning mouth

P01

I/O

UART_RX

P00

I/O

UART_TX

P02

I/O

Burning mouth

P03

I/O

Burning mouth

RST