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Last modified by Xiaoling on 2025/06/12 15:06
From version 43.43
edited by Xiaoling
on 2023/05/16 15:07
Change comment: There is no comment for this version
To version 43.42
edited by Xiaoling
on 2023/05/16 15:05
Change comment: There is no comment for this version

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716 716  
717 717  The SN50_v3 detects the pulse width of the sensor and converts it to mm output. The accuracy will be within 1 centimeter. The usable range (the distance between the ultrasonic probe and the measured object) is between 24cm and 600cm.
718 718  
719 -The working principle of this sensor is similar to the **(% style="color:blue" %)HC-SR04**(%%) ultrasonic sensor.
719 +The working principle of this sensor is similar to the **HC-SR04** ultrasonic sensor.
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721 721  The picture below shows the connection:
722 722  
723 723  [[image:image-20230512173903-6.png||height="596" width="715"]]
724 724  
725 -Connect to the SN50_v3 and run **(% style="color:blue" %)AT+MOD=2**(%%) to switch to ultrasonic mode (ULT).
725 +Connect to the SN50_v3 and run **AT+MOD=2** to switch to ultrasonic mode (ULT).
726 726  
727 727  The ultrasonic sensor uses the 8^^th^^ and 9^^th^^ byte for the measurement value.
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