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Last modified by Xiaoling on 2025/06/12 15:06
From version 122.1
edited by Mengting Qiu
on 2025/04/02 11:17
Change comment: There is no comment for this version
To version 117.3
edited by Xiaoling
on 2025/03/29 09:07
Change comment: There is no comment for this version

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781 781  
782 782  If payload is: FF3FH :  (FF3F & 8000 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
783 783  
784 -(FF3F & 8000：Judge whether the highest bit is 1, when the highest bit is 1, it is negative)
784 +（FF3F & 8000：Judge whether the highest bit is 1, when the highest bit is 1, it is negative）
785 785  
786 786  
787 787  ==== 2.3.3.3 Digital Input ====
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871 871  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/1656379339508-835.png?rev=1.1||alt="1656379339508-835.png"]]
872 872  
873 873  
874 -(% style="color:blue" %)**Application in different modes:**
874 +In **MOD=1**, user can use byte 6 to see the status for door open or close. TTN V3 decoder is as below:
875 875  
876 -* In **MOD=1**, user can use byte 6 to see the status for door open or close. TTN V3 decoder is as below:
876 +door= (bytes[6] & 0x80)? "CLOSE":"OPEN";
877 877  
878 - door= (bytes[6] & 0x80)? "CLOSE":"OPEN";
879 879  
880 -
881 -* In **MOD=7**, there are three interrupt pins in effect.
882 -
883 -See the AT+INTMODx command explained to set the three pin interrupt modes.
884 -
885 -As you can see from the byte parsing table of pattern 7, the seventh byte of the original load is used to display the PA8 pin interrupt flag and status, the eighth byte of the original load is used to display the PA4 pin interrupt flag and status, and the ninth byte of the original load is used to display the PB15 pin interrupt flag and status.
886 -
887 -[[image:image-20250402103902-1.png]]
888 -
889 -TTN V3 decoder is as below:
890 -
891 -[[image:image-20250402104508-2.png||height="255" width="579"]]
892 -
893 -(% style="color:red" %)**Note: mode in decoding is sorted from 0, so it corresponds to the actual working mode AT+MOD=7.**
894 -
895 -
896 -(% style="color:#037691" %)**Interrupt flag: **(%%)"EXTI1/2/3_Trigger", indicates whether the uplink packet is generated by an interrupt on the PA8/PA4/PB15 pin.
897 -
898 -
899 -(% style="color:#037691" %)**Interrupt status: **(%%)"EXTI1/2/3_Status", Displays the status of the interrupt sensors connected to the PA4/PA8/PB15 interrupt pins when the packet is uplinked.
900 -
901 -
902 902  ==== 2.3.3.6 I2C Interface (SHT20 & SHT31) ====
903 903  
904 904  
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1015 1015  a) If real-time control output is required, the SN50v3-LB/LS is already operating in class C and an external power supply must be used.
1016 1016  
1017 1017  b) If the output duration is more than 30 seconds, better to use external power source. 
1018 -
1019 -
1020 -
1021 1021  )))
1022 1022  
1023 1023  ==== 2.3.3.13  Working MOD ====
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1172 1172  * Downlink Payload: **06 00 01 02     **~/~/ Equal to AT+INTMOD2=2
1173 1173  * Downlink Payload: **06 00 02 03     **~/~/ Equal to AT+INTMOD3=3
1174 1174  
1175 -
1176 1176  ==== 3.3.3.2 Since V1.3.4 firmware ====
1177 1177  
1178 1178  (% style="color:red" %)**Note: Since V1.3.4 firmware, the Interrupt function has added a new parameter to set the delay time, i.e. the state hold time.**
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1179 1179  
1180 1180  (% style="color:#037691" %)**AT Command:**(% style="color:blue" %)** **(% style="color:#4472c4" %)**AT+INTMODx=a,b**
1181 1181  
1182 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:420px" %)
1183 -|=(% style="width: 116px; background-color: rgb(79, 129, 189); color: white;" %)**Parameter **|=(% style="width: 304px; background-color: rgb(79, 129, 189); color: white;" %)**Values and functions**
1155 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:420px" %)
1156 +|=(% style="width: 116px; background-color: rgb(79, 129, 189); color: white;" %)**Parameter **|=(% style="width: 392px; background-color: rgb(79, 129, 189); color: white;" %)**Values and functions**
1184 1184  |(% style="width:116px" %)(((
1185 1185  
1186 1186  
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1213 1213  
1214 1214  **Example:**
1215 1215  
1216 -* AT+INTMOD1=0,0  ~/~/ Disable the PA8 pin interrupt function
1217 -* AT+INTMOD2=2,1000  ~/~/ Set the interrupt of the PA4 pin to be triggered by the falling edge, however, the interrupt will only be triggered if the low level state remains 1000ms
1218 -* AT+INTMOD3=3,2500  ~/~/ Set the interrupt of the PB15 pin to be triggered by the rising edge, however, the interrupt will only be triggered if the high level state remains 2500ms
1189 +* AT+INTMOD1=0,0  ~/~/Disable the PA8 pin interrupt function
1190 +* AT+INTMOD2=2,1000  ~/~/Set the interrupt of the PA4 pin to be triggered by the falling edge, however, the interrupt will only be triggered if the low level state remains 1000ms
1191 +* AT+INTMOD3=3,2500  ~/~/Set the interrupt of the PB15 pin to be triggered by the rising edge, however, the interrupt will only be triggered if the high level state remains 2500ms
1219 1219  
1220 1220  (% style="color:#037691" %)**Downlink Command:**(% style="color:blue" %)** **(% style="color:#4472c4" %)**0x06 00 aa bb cc**
1221 1221  
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1386 1386  )))
1387 1387  
1388 1388  (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1389 -|=(% style="width: 155px; background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 112px; background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 243px; background-color:#4F81BD;color:white" %)**parameters**
1362 +|=(% style="width: 155px; background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 112px; background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 242px; background-color:#4F81BD;color:white" %)**parameters**
1390 1390  |(% colspan="1" rowspan="3" style="width:155px" %)(((
1391 1391  AT+PWMOUT=a,b,c
1392 1392  
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