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Author

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1		-XWiki.Xiaoling
	1	+XWiki.Saxer

Content

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614	614	Frequency：
615	615
616	616	(% class="MsoNormal" %)
617		-(% lang="EN-US" %)If (% style="background-attachment:initial; background-clip:initial; background-image:initial; background-origin:initial; background-position:initial; background-repeat:initial; background-size:initial; color:blue; font-family:Arial,sans-serif" %)**AT+PWMSET**(%%)**=0,**(% lang="EN-US" %)Frequency= 1000000/(%%)Pulse period（HZ）;
	617	+(% lang="EN-US" %)If (% style="background-attachment:initial; background-clip:initial; background-image:initial; background-origin:initial; background-position:initial; background-repeat:initial; background-size:initial; color:blue; font-family:Arial,sans-serif" %)**AT+PWMSET**(%%)**=0 ,**
618	618
	619	+(((
	620	+
	621	+
	622	+(% lang="EN-US" %)Frequency= 1000000/(%%)Pulse period（HZ）;
	623	+)))
	624	+
619	619	(% class="MsoNormal" %)
620		-(% lang="EN-US" %)If (% style="background-attachment:initial; background-clip:initial; background-image:initial; background-origin:initial; background-position:initial; background-repeat:initial; background-size:initial; color:blue; font-family:Arial,sans-serif" %)**AT+PWMSET**(%%)**=1,**(% lang="EN-US" %)Frequency= 1000/(%%)Pulse period（HZ）;
	626	+(% lang="EN-US" %)If (% style="background-attachment:initial; background-clip:initial; background-image:initial; background-origin:initial; background-position:initial; background-repeat:initial; background-size:initial; color:blue; font-family:Arial,sans-serif" %)**AT+PWMSET**(%%)**=1 ,**
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	628	+(((
	629	+
	630	+
	631	+(% lang="EN-US" %)Frequency= 1000/(%%)Pulse period（HZ）;
	632	+)))
	633	+
622	622	(% class="MsoNormal" %)
623	623	Duty cycle:
624	624
625	625	Duty cycle= Duration of high level/ Pulse period*100 ~(%).
626	626
	639	+
	640	+
	641	+(((
	642	+
	643	+)))
	644	+
	645	+
627	627	[[image:image-20230818092200-1.png||height="344" width="627"]]
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629	629
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886	886	The signal captured by the input should preferably be processed by hardware filtering and then connected in. The software processing method is to capture four values, discard the first captured value, and then take the middle value of the second, third, and fourth captured values.
887	887	)))
888	888	* (((
889		-Since the device can only detect a pulse period of 50ms when [[AT+PWMSET=0>>||anchor="H3.3.8PWMsetting"]] (counting in microseconds), it is necessary to change the value of PWMSET according to the frequency of input capture.
	908	+Since the device can only detect a pulse period of 50ms when [[AT+PWMSET=0>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SN50v3-LB/#H3.3.8PWMsetting]] (counting in microseconds), it is necessary to change the value of PWMSET according to the frequency of input capture.
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891	891
892	892	)))
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1139	1139	* Example 1: Downlink Payload: 0A01  **~-~-->**  AT+MOD=1
1140	1140	* Example 2: Downlink Payload: 0A04  **~-~-->**  AT+MOD=4
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	1161	+
1142	1142	=== 3.3.8 PWM setting ===
1143	1143
1144	1144	Feature: Set the time acquisition unit for PWM input capture.