<
From version < 148.1 >
edited by Xiaoling
on 2022/06/10 17:48
To version < 149.3 >
edited by Xiaoling
on 2022/06/10 17:55
>
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994 994  
995 995  (% style="color:#037691" %)**Downlink Command: AT+INTMOD**
996 996  
997 -[[image:image-20220610105907-1.png]]
997 +[[image:image-20220610174917-9.png]]
998 998  
999 999  
1000 1000  (% style="color:#037691" %)**Downlink Command: 0x06**
... ... @@ -1008,48 +1008,27 @@
1008 1008  
1009 1009  
1010 1010  
1011 += 4.  FAQ =
1011 1011  
1012 -= 6Use AT Command =
1013 +== 4.1  What is the frequency plan for LDDS75? ==
1013 1013  
1014 -== 6.1  Access AT Commands ==
1015 +LDDS75 use the same frequency as other Dragino products. User can see the detail from this link:
1015 1015  
1016 -LLDS12 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LLDS12 for using AT command, as below.
1017 1017  
1018 -[[image:1654593668970-604.png]]
1019 1019  
1020 -**Connection:**
1019 +== 4.2  How to change the LoRa Frequency Bands/Region ==
1021 1021  
1022 -(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND**
1021 +You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1022 +When downloading the images, choose the required image file for download. ​
1023 1023  
1024 -(% style="background-color:yellow" %)** USB TTL TXD  <~-~-~-~-> UART_RXD**
1025 1025  
1026 -(% style="background-color:yellow" %)** USB TTL RXD  <~-~-~-~-> UART_TXD**
1027 1027  
1026 +== 4.3  Can I use LDDS75 in condensation environment? ==
1028 1028  
1029 -(((
1030 -(((
1031 -In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LLDS12.
1032 -)))
1028 +LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
1033 1033  
1034 -(((
1035 -LLDS12 will output system info once power on as below:
1036 -)))
1037 -)))
1038 1038  
1039 1039  
1040 - [[image:1654593712276-618.png]]
1041 -
1042 -Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]].
1043 -
1044 -
1045 -= 4.  FAQ =
1046 -
1047 -== 4.1  How to change the LoRa Frequency Bands/Region ==
1048 -
1049 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1050 -When downloading the images, choose the required image file for download. ​
1051 -
1052 -
1053 1053  = 5.  Trouble Shooting =
1054 1054  
1055 1055  == 5.1  AT Commands input doesn’t work ==
image-20220610174917-9.png
Author
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1 +XWiki.Xiaoling
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1 +34.3 KB
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