Changes for page LDDS45 - LoRaWAN Distance Detection Sensor User Manual
Last modified by Xiaoling on 2025/04/27 13:54
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... ... @@ -1,1 +1,1 @@ 1 -LDDS 75 - LoRaWAN Distance Detection Sensor User Manual1 +LDDS45 - LoRaWAN Distance Detection Sensor User Manual - Content
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... ... @@ -1,9 +1,8 @@ 1 1 (% style="text-align:center" %) 2 -[[image:1654 846127817-788.png]]2 +[[image:1654912614655-664.png||height="530" width="628"]] 3 3 4 4 **Contents:** 5 5 6 -{{toc/}} 7 7 8 8 9 9 ... ... @@ -21,7 +21,7 @@ 21 21 22 22 ((( 23 23 ((( 24 -The Dragino LDDS 75 is a (% style="color:#4472c4" %)** LoRaWAN Distance Detection Sensor**(%%) for Internet of Things solution. It is used to measure the distance between the sensor and a flat object. The distance detection sensor is a module that uses (% style="color:#4472c4" %)** ultrasonic sensing** (%%)technology for distance measurement, and (% style="color:#4472c4" %)** temperature compensation**(%%) is performed internally to improve the reliability of data. The LDDS75 can be applied to scenarios such as horizontal distance measurement, liquid level measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, bottom water level monitoring, etc.23 +The Dragino LDDS45 is a (% style="color:#4472c4" %)** LoRaWAN Distance Detection Sensor**(%%) for Internet of Things solution. It is used to measure the distance between the sensor and a flat object. The distance detection sensor is a module that uses (% style="color:#4472c4" %)** ultrasonic sensing** (%%)technology for distance measurement, and (% style="color:#4472c4" %)** temperature compensation**(%%) is performed internally to improve the reliability of data. The LDDS45 can be applied to scenarios such as horizontal distance measurement, liquid level measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, bottom water level monitoring, etc. 25 25 ))) 26 26 27 27 ((( ... ... @@ -37,7 +37,7 @@ 37 37 ))) 38 38 39 39 ((( 40 -The LoRa wireless technology used in LDDS 75 allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.39 +The LoRa wireless technology used in LDDS45 allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. 41 41 ))) 42 42 43 43 ((( ... ... @@ -45,7 +45,7 @@ 45 45 ))) 46 46 47 47 ((( 48 -LDDS 75 is powered by (% style="color:#4472c4" %)**4000mA or8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*.47 +LDDS45 is powered by (% style="color:#4472c4" %)** 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*. 49 49 ))) 50 50 51 51 ((( ... ... @@ -53,7 +53,7 @@ 53 53 ))) 54 54 55 55 ((( 56 -Each LDDS 75 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.55 +Each LDDS45 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. 57 57 ))) 58 58 59 59 ((( ... ... @@ -62,22 +62,24 @@ 62 62 63 63 ((( 64 64 (% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors. 64 + 65 + 65 65 ))) 66 66 ))) 67 67 ))) 68 68 70 +[[image:1654912858581-740.png]] 69 69 70 -[[image:1654847051249-359.png]] 71 71 72 72 73 - 74 74 == 1.2 Features == 75 75 76 76 * LoRaWAN 1.0.3 Class A 77 -* Ultra 77 +* Ultra-low power consumption 78 78 * Distance Detection by Ultrasonic technology 79 -* Flat object range 280mm -7500mm79 +* Flat object range 30mm - 4500mm 80 80 * Accuracy: ±(1cm+S*0.3%) (S: Distance) 81 +* Measure Angle: 60° 81 81 * Cable Length : 25cm 82 82 * Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865 83 83 * AT Commands to change parameters ... ... @@ -84,8 +84,12 @@ 84 84 * Uplink on periodically 85 85 * Downlink to change configure 86 86 * IP66 Waterproof Enclosure 87 -* 4000mAh or8500mAh Battery for long term use88 +* 8500mAh Battery for long term use 88 88 90 + 91 + 92 + 93 + 89 89 == 1.3 Specification == 90 90 91 91 === 1.3.1 Rated environmental conditions === ... ... @@ -92,8 +92,11 @@ 92 92 93 93 [[image:image-20220610154839-1.png]] 94 94 100 + 95 95 ((( 96 -**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing); b. When the ambient temperature is 40-50 ℃, the highest humidity is the highest humidity in the natural world at the current temperature (no condensation)** 102 +**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing); ** 103 + 104 +**~ b. When the ambient temperature is 40-50 ℃, the highest humidity is the highest humidity in the natural world at the current temperature (no condensation)** 97 97 ))) 98 98 99 99 ... ... @@ -136,16 +136,16 @@ 136 136 137 137 138 138 139 -= 2. Configure LDDS 75 to connect to LoRaWAN network =147 += 2. Configure LDDS45 to connect to LoRaWAN network = 140 140 141 141 == 2.1 How it works == 142 142 143 143 ((( 144 -The LDDS 75 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LDDS75. If there is coverage of the LoRaWAN network, it will automatically join the network via OTAA and start to send the sensor value152 +The LDDS45 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LDDS45. If there is coverage of the LoRaWAN network, it will automatically join the network via OTAA and start to send the sensor value 145 145 ))) 146 146 147 147 ((( 148 -In case you can't set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>||anchor="H3.A0ConfigureLDDS75viaATCommandorLoRaWANDownlink"]]to set the keys in the LDDS 75.156 +In case you can't set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>||anchor="H3.A0ConfigureLDDS75viaATCommandorLoRaWANDownlink"]]to set the keys in the LDDS45. 149 149 ))) 150 150 151 151 ... ... @@ -154,10 +154,15 @@ 154 154 155 155 ((( 156 156 Following is an example for how to join the [[TTN v3 LoRaWAN Network>>url:https://console.cloud.thethings.network/]]. Below is the network structure; we use the [[LG308>>url:http://www.dragino.com/products/lora/item/140-lg308.html]] as a LoRaWAN gateway in this example. 165 + 166 + 157 157 ))) 158 158 169 +[[image:1654913911773-521.png]] 170 + 171 + 159 159 ((( 160 - [[image:1654848616367-242.png]]173 + 161 161 ))) 162 162 163 163 ((( ... ... @@ -165,11 +165,11 @@ 165 165 ))) 166 166 167 167 ((( 168 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS 75.181 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS45. 169 169 ))) 170 170 171 171 ((( 172 -Each LDDS 75 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below.185 +Each LDDS45 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below. 173 173 ))) 174 174 175 175 [[image:image-20220607170145-1.jpeg]] ... ... @@ -196,7 +196,10 @@ 196 196 197 197 [[image:image-20220610161353-7.png]] 198 198 212 +**Choose LDDS75 instead of LDDS45 is ok. They are of the same payload** 199 199 214 + 215 + 200 200 You can also choose to create the device manually. 201 201 202 202 [[image:image-20220610161538-8.png]] ... ... @@ -209,16 +209,16 @@ 209 209 210 210 211 211 212 -(% style="color:blue" %)**Step 2**(%%): Power on LDDS 75228 +(% style="color:blue" %)**Step 2**(%%): Power on LDDS45 213 213 214 214 215 215 Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position). 216 216 217 -[[image:image-2022061 0161724-10.png]]233 +[[image:image-20220611102908-2.png]] 218 218 219 219 220 220 ((( 221 -(% style="color:blue" %)**Step 3**(%%)**:** The LDDS 75 will auto join to the TTN network. After join success, it will start to upload messages to TTN and you can see the messages in the panel.237 +(% style="color:blue" %)**Step 3**(%%)**:** The LDDS45 will auto join to the TTN network. After join success, it will start to upload messages to TTN and you can see the messages in the panel. 222 222 ))) 223 223 224 224 [[image:1654849068701-275.png]] ... ... @@ -229,12 +229,9 @@ 229 229 230 230 ((( 231 231 ((( 232 -LDDS75 will uplink payload via LoRaWAN with below payload format: 233 -))) 248 +LDDS45 will uplink payload via LoRaWAN with below payload format: 234 234 235 -((( 236 -Uplink payload includes in total 4 bytes. 237 -Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance 250 +Uplink payload includes in total 8 bytes. 238 238 ))) 239 239 ))) 240 240 ... ... @@ -261,7 +261,7 @@ 261 261 === 2.3.1 Battery Info === 262 262 263 263 264 -Check the battery voltage for LDDS 75.277 +Check the battery voltage for LDDS45. 265 265 266 266 Ex1: 0x0B45 = 2885mV 267 267 ... ... @@ -272,20 +272,20 @@ 272 272 === 2.3.2 Distance === 273 273 274 274 ((( 275 -Get the distance. Flat object range 280mm -7500mm.288 +Get the distance. Flat object range 30mm - 4500mm. 276 276 ))) 277 277 278 278 ((( 279 -For example, if the data you get from the register is 0x0B 0x05, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** 0B05(H) = 2821 (D) = 2821 mm.** 292 +For example, if the data you get from the register is __0x0B 0x05__, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** 0B05(H) = 2821 (D) = 2821 mm.** 280 280 ))) 281 281 282 282 283 283 * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor. 284 -* If the sensor value lower than 0x01 18(280mm), the sensor value will beinvalid. Since v1.1.4, all value lower than 280mm will be set to 0x0014(20mm) which means the value is invalid.297 +* If the sensor value lower than 0x001E (30mm), the sensor value will be 0x00. 285 285 286 286 === 2.3.3 Interrupt Pin === 287 287 288 -This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H 3.3A0SetInterruptMode"]] for the hardware and software set up.301 +This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H4.3A0SetInterruptMode"]] for the hardware and software set up. 289 289 290 290 **Example:** 291 291 ... ... @@ -305,10 +305,8 @@ 305 305 306 306 If payload is: FF3FH : (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees. 307 307 308 -(% style="color:red" %)Note: DS18B20 feature is supported in the hardware version > v1.3 which made since early of 2021. 309 309 310 310 311 - 312 312 === 2.3.5 Sensor Flag === 313 313 314 314 ((( ... ... @@ -331,7 +331,7 @@ 331 331 The payload decoder function for TTN V3 is here: 332 332 333 333 ((( 334 -LDDS 75 TTN V3 Payload Decoder: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDDS75/Payload_Decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Payload_Decoder/]]345 +LDDS45 TTN V3 Payload Decoder: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDDS75/Payload_Decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Payload_Decoder/]] 335 335 ))) 336 336 337 337 ... ... @@ -338,7 +338,7 @@ 338 338 339 339 == 2.4 Uplink Interval == 340 340 341 -The LDDS 75 by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: [[Change Uplink Interval>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H4.1ChangeUplinkInterval"]]352 +The LDDS45 by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: [[Change Uplink Interval>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H4.1ChangeUplinkInterval"]] 342 342 343 343 344 344 ... ... @@ -369,7 +369,7 @@ 369 369 370 370 (% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.** 371 371 372 -(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS 75 and add DevEUI.**383 +(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS45 and add DevEUI.** 373 373 374 374 [[image:1654851029373-510.png]] 375 375 ... ... @@ -383,7 +383,7 @@ 383 383 == 2.6 Frequency Plans == 384 384 385 385 ((( 386 -The LDDS 75 uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets.397 +The LDDS45 uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets. 387 387 ))) 388 388 389 389 ... ... @@ -850,7 +850,7 @@ 850 850 851 851 == 2.7 LED Indicator == 852 852 853 -The LDDS 75 has an internal LED which is to show the status of different state.864 +The LDDS45 has an internal LED which is to show the status of different state. 854 854 855 855 856 856 * Blink once when device power on. ... ... @@ -858,12 +858,11 @@ 858 858 * Solid ON for 5 seconds once device successful Join the network. 859 859 * Blink once when device transmit a packet. 860 860 861 - 862 862 == 2.8 Firmware Change Log == 863 863 864 864 865 865 ((( 866 -**Firmware download link: **[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LS E01/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/]]876 +**Firmware download link: **[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDDS75/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDDS75/Firmware/]] 867 867 ))) 868 868 869 869 ((( ... ... @@ -879,20 +879,72 @@ 879 879 == 2.9 Mechanical == 880 880 881 881 882 -[[image: image-20220610172003-1.png]]892 +[[image:1654915562090-396.png]] 883 883 884 884 885 -[[image:image-20220610172003-2.png]] 886 886 887 887 888 888 889 -= =2.10BatteryAnalysis==898 += 3. Battery & How to replace = 890 890 891 -== =2.10.1Battery Type ===900 +== 3.1 Battery Type == 892 892 893 -The LDDS75 battery is a combination of a 4000mAh or 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is non-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter. 902 +((( 903 +LSPH01 is equipped with a [[8500mAH ER26500 Li-SOCI2 battery>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]. The battery is un-rechargeable battery with low discharge rate targeting for 8~~10 years use. This type of battery is commonly used in IoT target for long-term running, such as water meter. 904 +))) 894 894 906 +((( 907 +The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance. 908 +))) 895 895 910 +[[image:1654593587246-335.png]] 911 + 912 + 913 +Minimum Working Voltage for the LSPH01: 914 + 915 +LSPH01: 2.45v ~~ 3.6v 916 + 917 + 918 + 919 +== 3.2 Replace Battery == 920 + 921 +((( 922 +Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery. 923 +))) 924 + 925 +((( 926 +And make sure the positive and negative pins match. 927 +))) 928 + 929 + 930 + 931 +== 3.3 Power Consumption Analyze == 932 + 933 +((( 934 +Dragino Battery powered product are all runs in Low Power mode. We have an update battery calculator which base on the measurement of the real device. User can use this calculator to check the battery life and calculate the battery life if want to use different transmit interval. 935 +))) 936 + 937 +((( 938 +Instruction to use as below: 939 +))) 940 + 941 + 942 +**Step 1**: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from: 943 + 944 +[[https:~~/~~/www.dragino.com/downloads/index.pHp?dir=LoRa_End_Node/Battery_Analyze/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/]] 945 + 946 + 947 +**Step 2**: Open it and choose 948 + 949 +* Product Model 950 +* Uplink Interval 951 +* Working Mode 952 + 953 +And the Life expectation in difference case will be shown on the right. 954 + 955 +[[image:1654593605679-189.png]] 956 + 957 + 896 896 The battery related documents as below: 897 897 898 898 * ((( ... ... @@ -905,28 +905,33 @@ 905 905 [[Lithium-ion Battery-Capacitor datasheet>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC_1520_datasheet.jpg]], [[Tech Spec>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC1520%20Technical%20Specification20171123.pdf]] 906 906 ))) 907 907 908 - 10172400-3.png]]970 +[[image:image-20220607172042-11.png]] 909 909 910 910 911 911 912 -=== 2.10.2Replacethe battery ===974 +=== 3.3.1 Battery Note === 913 913 914 914 ((( 915 - You can changethebattery intheLDDS75.Thetype ofbatteryis notlimitedaslongas theutput isbetween3vto3.6v.Onthemainboard,there isa diode(D1)betweenthebatteryandthemaincircuit. If youneed touse abatterywith less than 3.3v,pleaseremove the D1 andshortcut the twopadsofitso there won'tbe voltagedropbetween batteryandmainboard.977 +The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to transmit LoRa, then the battery life may be decreased. 916 916 ))) 917 917 980 + 981 + 982 +=== 3.3.2 Replace the battery === 983 + 918 918 ((( 919 - 985 +You can change the battery in the LSPH01.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won’t be voltage drop between battery and main board. 920 920 ))) 921 921 922 922 ((( 923 -The default battery pack of L DDS75includes a ER18505plus super capacitor. If user can't find this pack locally, they can find ER18505or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)989 +The default battery pack of LSPH01 includes a ER26500 plus super capacitor. If user can’t find this pack locally, they can find ER26500 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes) 924 924 ))) 925 925 926 926 927 927 928 -= 3. Configure LDDS75 via AT Command or LoRaWAN Downlink = 929 929 995 += 4. Configure LDDS75 via AT Command or LoRaWAN Downlink = 996 + 930 930 ((( 931 931 ((( 932 932 Use can configure LDDS75 via AT Command or LoRaWAN Downlink. ... ... @@ -1003,7 +1003,7 @@ 1003 1003 1004 1004 1005 1005 1006 -== 3.1 Access AT Commands ==1073 +== 4.1 Access AT Commands == 1007 1007 1008 1008 LDDS75 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LDDS75 for using AT command, as below. 1009 1009 ... ... @@ -1025,7 +1025,7 @@ 1025 1025 1026 1026 1027 1027 1028 -== 3.2 Set Transmit Interval Time ==1095 +== 4.2 Set Transmit Interval Time == 1029 1029 1030 1030 Feature: Change LoRaWAN End Node Transmit Interval. 1031 1031 ... ... @@ -1049,13 +1049,14 @@ 1049 1049 * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds 1050 1050 * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds 1051 1051 ))) 1119 +))) 1052 1052 1053 1053 1054 - 1055 -))) 1056 1056 1057 -== 3.3 Set Interrupt Mode == 1058 1058 1124 + 1125 +== 4.3 Set Interrupt Mode == 1126 + 1059 1059 Feature, Set Interrupt mode for GPIO_EXIT. 1060 1060 1061 1061 (% style="color:#037691" %)**Downlink Command: AT+INTMOD** ... ... @@ -1074,17 +1074,15 @@ 1074 1074 * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode 1075 1075 * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 1076 1076 1145 += 5. FAQ = 1077 1077 1147 +== 5.1 What is the frequency plan for LDDS75? == 1078 1078 1079 -= 4. FAQ = 1080 - 1081 -== 4.1 What is the frequency plan for LDDS75? == 1082 - 1083 1083 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"]] 1084 1084 1085 1085 1086 1086 1087 -== 4.2 How to change the LoRa Frequency Bands/Region ==1153 +== 5.2 How to change the LoRa Frequency Bands/Region == 1088 1088 1089 1089 You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]]. 1090 1090 When downloading the images, choose the required image file for download. ... ... @@ -1091,20 +1091,20 @@ 1091 1091 1092 1092 1093 1093 1094 -== 4.3 Can I use LDDS75 in condensation environment? ==1160 +== 5.3 Can I use LDDS75 in condensation environment? == 1095 1095 1096 1096 LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0. 1097 1097 1098 1098 1099 1099 1100 -= 5. Trouble Shooting =1166 += 6. Trouble Shooting = 1101 1101 1102 -== 5.1 Why I can’t join TTN V3 in US915 / AU915 bands? ==1168 +== 6.1 Why I can’t join TTN V3 in US915 / AU915 bands? == 1103 1103 1104 1104 It is due to channel mapping. Please see below link: [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]] 1105 1105 1106 1106 1107 -== 5.2 AT Command input doesn't work ==1173 +== 6.2 AT Command input doesn't work == 1108 1108 1109 1109 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. 1110 1110 ... ... @@ -1113,7 +1113,7 @@ 1113 1113 ))) 1114 1114 1115 1115 1116 -= 6. Order Info =1182 += 7. Order Info = 1117 1117 1118 1118 1119 1119 Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY** ... ... @@ -1135,11 +1135,9 @@ 1135 1135 * (% style="color:red" %)**4 **(%%)**: **4000mAh battery 1136 1136 * (% style="color:red" %)**8 **(%%)**:** 8500mAh battery 1137 1137 1204 += 8. Packing Info = 1138 1138 1139 1139 1140 -= 7. Packing Info = 1141 - 1142 - 1143 1143 **Package Includes**: 1144 1144 1145 1145 * LDDS75 LoRaWAN Distance Detection Sensor x 1 ... ... @@ -1151,9 +1151,7 @@ 1151 1151 * Package Size / pcs : cm 1152 1152 * Weight / pcs : g 1153 1153 1218 += 9. Support = 1154 1154 1155 - 1156 -= 8. Support = 1157 - 1158 1158 * 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. 1159 1159 * Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:http://../../../../../../D:%5C%E5%B8%82%E5%9C%BA%E8%B5%84%E6%96%99%5C%E8%AF%B4%E6%98%8E%E4%B9%A6%5CLoRa%5CLT%E7%B3%BB%E5%88%97%5Csupport@dragino.com]].
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