Last modified by Mengting Qiu on 2025/02/26 15:04
<
From version < 150.20 >
edited by Xiaoling
on 2022/06/11 08:50
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

Details

Page properties
Content
... ... @@ -3,7 +3,6 @@
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 ==
... ... @@ -35,7 +35,7 @@
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 ===
... ... @@ -81,7 +81,6 @@
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  
... ... @@ -872,7 +872,7 @@
872 872  
873 873  
874 874  
875 -= 3.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
866 += 3.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
876 876  
877 877  (((
878 878  (((
... ... @@ -1003,7 +1003,7 @@
1003 1003  
1004 1004  (% style="color:#037691" %)**Downlink Command: AT+INTMOD**
1005 1005  
1006 -[[image:image-20220610174917-9.png]]
997 +[[image:image-20220610105907-1.png]]
1007 1007  
1008 1008  
1009 1009  (% style="color:#037691" %)**Downlink Command: 0x06**
... ... @@ -1015,65 +1015,108 @@
1015 1015  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1016 1016  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1017 1017  
1018 -= 4.  FAQ =
1019 1019  
1020 -== 4.1  What is the frequency plan for LDDS75? ==
1021 1021  
1022 -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"]]
1023 1023  
1012 += 6.  Use AT Command =
1024 1024  
1014 +== 6.1  Access AT Commands ==
1025 1025  
1026 -== 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.
1027 1027  
1028 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1029 -When downloading the images, choose the required image file for download. ​
1018 +[[image:1654593668970-604.png]]
1030 1030  
1020 +**Connection:**
1031 1031  
1022 +(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND**
1032 1032  
1033 -== 4.3  Can I use LDDS75 in condensation environment? ==
1024 +(% style="background-color:yellow" %)** USB TTL TXD  <~-~-~-~-> UART_RXD**
1034 1034  
1035 -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**
1036 1036  
1037 1037  
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 +)))
1038 1038  
1039 -= 5.  Trouble Shooting =
1034 +(((
1035 +LLDS12 will output system info once power on as below:
1036 +)))
1037 +)))
1040 1040  
1041 -== 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
1042 1042  
1043 -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]]
1044 1044  
1042 +Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]].
1045 1045  
1046 -== 5.2  AT Command input doesn't work ==
1047 1047  
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 +(((
1048 1048  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 +)))
1049 1049  
1062 +
1063 +== 5.2  Significant error between the output distant value of LiDAR and actual distance ==
1064 +
1065 +
1050 1050  (((
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 +(((
1051 1051  
1052 1052  )))
1053 1053  
1078 +(((
1079 +(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked.
1080 +)))
1054 1054  
1082 +(((
1083 +Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter.
1084 +)))
1085 +
1086 +
1087 +
1055 1055  = 6.  Order Info =
1056 1056  
1057 1057  
1058 -Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
1091 +Part Number: (% style="color:blue" %)**LDDS75-XX-YY**
1059 1059  
1060 1060  
1061 -(% style="color:blue" %)**XX**(%%)**: **The default frequency band
1094 +(% style="color:blue" %)**XX**(%%): The default frequency band
1062 1062  
1063 -* (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band
1064 -* (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band
1065 -* (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band
1066 -* (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band
1067 -* (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band
1068 -* (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band
1069 -* (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
1070 -* (% 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
1071 1071  
1072 1072  (% style="color:blue" %)**YY**(%%): Battery Option
1073 1073  
1074 -* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1075 -* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1107 +* (% style="color:red" %)**4**(%%): 4000mAh battery
1108 +* (% style="color:red" %)**8**(%%): 8500mAh battery
1076 1076  
1110 +
1077 1077  = 7. ​ Packing Info =
1078 1078  
1079 1079  
... ... @@ -1088,6 +1088,7 @@
1088 1088  * Package Size / pcs : cm
1089 1089  * Weight / pcs : g
1090 1090  
1125 +
1091 1091  = 8.  ​Support =
1092 1092  
1093 1093  * 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
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -34.3 KB
Content

Applications

Navigation

Copyright ©2010-2024 Dragino Technology Co., LTD. All rights reserved
Dragino Wiki v2.0