Zhengzhou Winsen Electronics Technology Co., Ltd User’s Manual Version: 1.7 Valid from: 2020-10-19 Zhengzhou Winsen Electronics Technology Co., Ltd Email: [email protected] Leading gas sensing solutions supplier in C

Zhengzhou Winsen Electronics Technology Co., Ltd Statement This manual’s copyright belongs to Zhengzhou Winsen Electronics Technology Co., LTD. Without the written permission, any part of this manual shall not be copied, translated, stored in database or retrieval system, also can’t spread through electronic, copying, record ways. Thanks for purchasing our product. In order to let customers use it better and reduce the faults caused by misuse, please read the manual carefully and operate it correctly in accordance with the instructions. If users disobey the terms or remove, disassemble, change...

Zhengzhou Winsen Electronics Technology Co., Ltd Electrochemical CO Module ZE07-CO Product Description ZE07-CO is a general-purpose and miniaturization electrochemical carbon monoxide detection module. It utilizes electrochemical principle to detect CO in air which makes the module with high selectivity and stability. Built-in temperature sensor can do temperature compensation; and it has digital output and analog voltage output. It is a combination of mature electrochemical detection principle and sophisticated circuit design. Features *High sensitivity & resolution& Stability *Extremely low...

Zhengzhou Winsen Electronics Technology Co., Ltd UART (RXD) 0~3.0V Data input UART(TXD) 0~3.0V Data output Communication Protocol 1. General Settings Table 3 Baud rate Data bits Stop bits 2. Communication Commands There are two kinds of communication mode: initiative upload mode and question & answer (Q&A) mode. We take initiative upload mode as the default settings. The module sends the gas concentr ation value every other 1s and the command line format is as follows: Table 4 Start Byte Full Range Full Range (High Byte) (High Byte) Gas concentration value = (High Byte*256+Low Byte) x 0.1 Please...

Zhengzhou Winsen Electronics Technology Co., Ltd Switch to the question & answer (Q&A) mode, the command line format is as follows: Table 5 Byte 0 Start Byte Switch command Switch to the initiative upload mode, the command line format is as follows: Table 6 Byte 0 Start Byte Switch command Initiative upload Question & answer mode, the Question command line format is as follows: Table 7 Byte 0 Start Byte Question & answer mode, the Answer command line format is as follows: Table 8 Byte 0 Start Byte Gas concentration value = (High Byte*256+Low Byte) x 0.1 Please note that in the above calculation...

Zhengzhou Winsen Electronics Technology Co., Ltd 3. Check sum and calculation ********************************************************************** * Function Name: unsigned ucharFucCheckSum(uchar *i,ucharln) * Functional description: Sum check【Not (Byte1+Byte2+…Byte7) +1】 **********************************************************************/ unsigned char FucCheckSum(unsigned char *i,unsigned char ln) { unsigned char j,tempq=0; i+=1; for(j=0;j<(ln-2);j++) { tempq+=*i; i++; } tempq=(~tempq)+1; return(tempq); } DO NOT insert or extract the sensor on the PCB board. DO NOT change or move the electronic...