Product Descriptions

Supply voltage: 3-5V

Power supply current: 7mA

Wiring:

Red... VCC

Black... GND

Yellow... RC (Half Port UART TTL-Rx/I2C.. SCL)

Self color... TD (half port UART TTL Tx/I2C.. SCL)

The module defaults to serial UART mode and automatically outputs data. When the PS solder joints on the PCB are soldered, it is in I2C mode.

1. Module internal registers:

0x00(Reading and writing)	器件 ID 地址 Device ID address	1~254;0为广播地址;默认为ID:0xA4，与8位 ⅡC 地址相同，所以该地址必须为2的倍数。 1~254; 0 is the broadcast address; The default ID is 0xA4, which is the same as the 8-bit IIC address, so this address must be a multiple of 2.
0x01(Reading and writing)	波特率设置 Baud rate setting	0-7:2400 4800 9600 19200,38400,57600.115200,230400
0x02(Reading and writing)	更新速率 Update rate	0: 1hz;1:2hz;2:5hz;3:10hz
0x03(Reading and writing)	输出模式 Output mode	0:连续输出;1:查询输出 0: Continuous output; 1: Query output
0x04(Reading and writing)	输出格式 Ooutput format	0:十六进制;1:字符; 0: Hexadecimal system; 1: Characters;
0x05(Reading and writing)	保存设置 Save Settings	0x55:保存当前配置;0xAA:恢复出厂设置 0x55: Save current configuration; 0xAA: Factory reset
0x06(Reading and writing)	TO off温度偏移 TO off temperature offset	0-255，默认值100=0偏移，TO补偿= (TO_off-100)/10 0-255, default value 100=0 offset, TO compensation= (TO_off-100)/10"
0x07(Reading and writing)	E 发射率 E emissivity	1~100(对应 0.01~1.00)
0x08(Read)	TO(目标温度)高8位 TO (target temperature) high by 8 digits	0~255
0x09(Read)	TO(目标温度)低8位 TO (target temperature) is 8 digits lower	0~255
0x0a(Read)	TA(环境温度)高8位 TA (ambient temperature) high by 8 digits	0~255
0x0b(Read)	TA(环境温度)低8位 TA (ambient temperature) is 8 digits lower	0~255
0x0c(Read)	BO高8位 BO high 8 digits	0~255 额温转换体温值高8位 0-255 forehead temperature conversion with a body temperature value 8 digits higher
0x0d(Read)	BO低8位 BO low 8 digits	0~255 额温转换体温值高8位 0-255 forehead temperature conversion with a body temperature value 8 digits higher
0x0e(Reading and writing)	芯片型号 Chip model	0~3
0x0f(Read)	固件信息 Firmware information	0~255

Serial port function (send/receive mode):

Frame description:

地址 Address	功能码 Function code	数据 Data	校验和 Checksum
1 byte	1 byte	N byte	前字节校验和低8位 The lower 8 bits of the first byte checksum

2. Module support function code:

写单个寄存器 Preset Single Register	0x06
读寄存器 Read Register	0x03

3. Module response time

波特率=9600 Baud rate=9600	约为 10ms
波特率=115200 Baud rate=115200	约为 1ms

IIC function:

This function requires welding PS solder joints. The IIC address is the value of the 00 register, with a default of 4. The IIC rate needs to be less than 400K.

The number of registers written in a single module is 1. Write the timing sequence as follows, which requires more than 4us of time after sending the device address

Start	Address	ACK	reg	ACK	Data	ACK	Stop
起始 Start	0XA4	模块 Module	0x07	模块 Module	0x57	模块 Module	结束 End

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