Last modified by Mengting Qiu on 2025/02/26 15:04
<
From version < 150.22 >
edited by Xiaoling
on 2022/06/11 09:03
To version < 148.1 >
edited by Xiaoling
on 2022/06/10 17:48
>
Change comment: Uploaded new attachment "image-20220610174836-8.png", version {1}

Summary

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Content
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3 3  
4 4  **Contents:**
5 5  
6 -{{toc/}}
7 7  
8 8  
9 9  
... ... @@ -11,7 +11,6 @@
11 11  
12 12  
13 13  
14 -
15 15  = 1.  Introduction =
16 16  
17 17  == 1.1 ​ What is LoRaWAN Distance Detection Sensor ==
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35 35  Each LDDS75 pre-loads with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect if there is network coverage, after power on.
36 36  
37 37  
38 -(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors.
36 +(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors
39 39  )))
40 40  )))
41 41  
... ... @@ -59,7 +59,6 @@
59 59  * IP66 Waterproof Enclosure
60 60  * 4000mAh or 8500mAh Battery for long term use
61 61  
62 -
63 63  == 1.3  Specification ==
64 64  
65 65  === 1.3.1  Rated environmental conditions ===
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81 81  [[image:1654852253176-749.png]]
82 82  
83 83  
84 -
85 85  **(2)** **The object to be tested is a "corrugated cardboard box" perpendicular to the central axis of 0 °, and the length * width is 60cm * 50cm.**
86 86  
87 87  
... ... @@ -101,8 +101,6 @@
101 101  * Sewer
102 102  * Bottom water level monitoring
103 103  
104 -
105 -
106 106  == 1.6  Pin mapping and power on ==
107 107  
108 108  
... ... @@ -211,12 +211,12 @@
211 211  **Size (bytes)**
212 212  )))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1**
213 213  |(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
214 -[[Distance>>||anchor="H2.3.2A0Distance"]]
208 +[[Distance>>||anchor="H2.3.3A0Distance"]]
215 215  
216 216  (unit: mm)
217 -)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|(((
218 -[[Temperature (Optional )>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
219 -)))|[[Sensor Flag>>||anchor="H2.3.5A0SensorFlag"]]
211 +)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.4A0Distancesignalstrength"]]|(((
212 +[[Temperature (Optional )>>||anchor="H2.3.5A0InterruptPin"]]
213 +)))|[[Sensor Flag>>path:#Sensor_Flag]]
220 220  
221 221  [[image:1654850511545-399.png]]
222 222  
... ... @@ -243,12 +243,9 @@
243 243  * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
244 244  * If the sensor value lower than 0x0118 (280mm), the sensor value will be invalid. Since v1.1.4, all value lower than 280mm will be set to 0x0014(20mm) which means the value is invalid.
245 245  
246 -
247 -
248 -
249 249  === 2.3.3  Interrupt Pin ===
250 250  
251 -This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.3A0SetInterruptMode"]] for the hardware and software set up.
242 +This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H4.2A0SetInterruptMode"]] for the hardware and software set up.
252 252  
253 253  **Example:**
254 254  
... ... @@ -279,9 +279,9 @@
279 279  0x00: No Ultrasonic Sensor
280 280  
281 281  
273 +===
274 +(% style="color:inherit; font-family:inherit" %)2.3.6  Decode payload in The Things Network(%%) ===
282 282  
283 -=== 2.3.6  Decode payload in The Things Network ===
284 -
285 285  While using TTN network, you can add the payload format to decode the payload.
286 286  
287 287  
... ... @@ -815,9 +815,6 @@
815 815  * Solid ON for 5 seconds once device successful Join the network.
816 816  * Blink once when device transmit a packet.
817 817  
818 -
819 -
820 -
821 821  == 2.8  ​Firmware Change Log ==
822 822  
823 823  
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875 875  
876 876  
877 877  
878 -= 3.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
866 += 3.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
879 879  
880 880  (((
881 881  (((
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1006 1006  
1007 1007  (% style="color:#037691" %)**Downlink Command: AT+INTMOD**
1008 1008  
1009 -[[image:image-20220610174917-9.png]]
997 +[[image:image-20220610105907-1.png]]
1010 1010  
1011 1011  
1012 1012  (% style="color:#037691" %)**Downlink Command: 0x06**
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1018 1018  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1019 1019  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1020 1020  
1021 -= 4.  FAQ =
1022 1022  
1023 -== 4.1  What is the frequency plan for LDDS75? ==
1024 1024  
1025 -LDDS75 use the same frequency as other Dragino products. User can see the detail from this link:  [[Introduction>>doc:Main.End Device Frequency Band.WebHome||anchor="H1.Introduction"]]
1026 1026  
1012 += 6.  Use AT Command =
1027 1027  
1014 +== 6.1  Access AT Commands ==
1028 1028  
1029 -== 4.2  How to change the LoRa Frequency Bands/Region ==
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.
1030 1030  
1031 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1032 -When downloading the images, choose the required image file for download. ​
1018 +[[image:1654593668970-604.png]]
1033 1033  
1020 +**Connection:**
1034 1034  
1022 +(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND**
1035 1035  
1036 -== 4.3  Can I use LDDS75 in condensation environment? ==
1024 +(% style="background-color:yellow" %)** USB TTL TXD  <~-~-~-~-> UART_RXD**
1037 1037  
1038 -LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
1026 +(% style="background-color:yellow" %)** USB TTL RXD  <~-~-~-~-> UART_TXD**
1039 1039  
1040 1040  
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 +)))
1041 1041  
1042 -= 5.  Trouble Shooting =
1034 +(((
1035 +LLDS12 will output system info once power on as below:
1036 +)))
1037 +)))
1043 1043  
1044 -== 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
1045 1045  
1046 -It is due to channel mapping. Please see below link:  [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1040 + [[image:1654593712276-618.png]]
1047 1047  
1042 +Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]].
1048 1048  
1049 -== 5.2  AT Command input doesn't work ==
1050 1050  
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 += 5.  Trouble Shooting =
1054 +
1055 +== 5.1  AT Commands input doesn’t work ==
1056 +
1057 +
1058 +(((
1051 1051  In the case if user can see the console output but can’t type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn’t send (% style="color:green" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string.
1060 +)))
1052 1052  
1062 +
1063 +== 5.2  Significant error between the output distant value of LiDAR and actual distance ==
1064 +
1065 +
1053 1053  (((
1067 +(% style="color:blue" %)**Cause ①**(%%)**：**Due to the physical principles of The LiDAR probe, the above phenomenon is likely to occur if the detection object is the material with high reflectivity (such as mirror, smooth floor tile, etc.) or transparent substance (such as glass and water, etc.)
1068 +)))
1069 +
1070 +(((
1071 +Troubleshooting: Please avoid use of this product under such circumstance in practice.
1072 +)))
1073 +
1074 +(((
1054 1054  
1055 1055  )))
1056 1056  
1078 +(((
1079 +(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked.
1080 +)))
1057 1057  
1082 +(((
1083 +Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter.
1084 +)))
1085 +
1086 +
1087 +
1058 1058  = 6.  Order Info =
1059 1059  
1060 1060  
1061 -Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
1091 +Part Number: (% style="color:blue" %)**LDDS75-XX-YY**
1062 1062  
1063 1063  
1064 -(% style="color:blue" %)**XX**(%%)**: **The default frequency band
1094 +(% style="color:blue" %)**XX**(%%): The default frequency band
1065 1065  
1066 -* (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band
1067 -* (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band
1068 -* (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band
1069 -* (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band
1070 -* (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band
1071 -* (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band
1072 -* (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
1073 -* (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
1096 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
1097 +* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
1098 +* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
1099 +* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
1100 +* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
1101 +* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band
1102 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
1103 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1074 1074  
1075 1075  (% style="color:blue" %)**YY**(%%): Battery Option
1076 1076  
1077 -* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1078 -* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1107 +* (% style="color:red" %)**4**(%%): 4000mAh battery
1108 +* (% style="color:red" %)**8**(%%): 8500mAh battery
1079 1079  
1110 +
1080 1080  = 7. ​ Packing Info =
1081 1081  
1082 1082  
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1091 1091  * Package Size / pcs : cm
1092 1092  * Weight / pcs : g
1093 1093  
1125 +
1094 1094  = 8.  ​Support =
1095 1095  
1096 1096  * Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
image-20220610174917-9.png
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