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 ((( ... ... @@ -62,12 +62,14 @@ 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 73 ... ... @@ -74,10 +74,11 @@ 74 74 == 1.2 Features == 75 75 76 76 * LoRaWAN 1.0.3 Class A 77 -* Ultra 78 +* Ultra-low power consumption 78 78 * Distance Detection by Ultrasonic technology 79 -* Flat object range 280mm -7500mm80 +* Flat object range 30mm - 4500mm 80 80 * Accuracy: ±(1cm+S*0.3%) (S: Distance) 82 +* 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 ... ... @@ -84,7 +84,7 @@ 84 84 * Uplink on periodically 85 85 * Downlink to change configure 86 86 * IP66 Waterproof Enclosure 87 -* 4000mAh or8500mAh Battery for long term use89 +* 8500mAh Battery for long term use 88 88 89 89 90 90 == 1.3 Specification == ... ... @@ -93,8 +93,11 @@ 93 93 94 94 [[image:image-20220610154839-1.png]] 95 95 98 + 96 96 ((( 97 -**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)** 100 +**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing); ** 101 + 102 +**~ 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)** 98 98 ))) 99 99 100 100 ... ... @@ -131,7 +131,6 @@ 131 131 * Bottom water level monitoring 132 132 133 133 134 - 135 135 == 1.6 Pin mapping and power on == 136 136 137 137 ... ... @@ -139,16 +139,16 @@ 139 139 140 140 141 141 142 -= 2. Configure LDDS 75 to connect to LoRaWAN network =146 += 2. Configure LDDS45 to connect to LoRaWAN network = 143 143 144 144 == 2.1 How it works == 145 145 146 146 ((( 147 -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 value151 +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 148 148 ))) 149 149 150 150 ((( 151 -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 75.155 +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. 152 152 ))) 153 153 154 154 ... ... @@ -157,10 +157,15 @@ 157 157 158 158 ((( 159 159 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. 164 + 165 + 160 160 ))) 161 161 168 +[[image:1654913911773-521.png]] 169 + 170 + 162 162 ((( 163 - [[image:1654848616367-242.png]]172 + 164 164 ))) 165 165 166 166 ((( ... ... @@ -168,11 +168,11 @@ 168 168 ))) 169 169 170 170 ((( 171 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS 75.180 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS45. 172 172 ))) 173 173 174 174 ((( 175 -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.184 +Each LDDS45 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below. 176 176 ))) 177 177 178 178 [[image:image-20220607170145-1.jpeg]] ... ... @@ -199,7 +199,10 @@ 199 199 200 200 [[image:image-20220610161353-7.png]] 201 201 211 +**Choose LDDS75 instead of LDDS45 is ok. They are of the same payload** 202 202 213 + 214 + 203 203 You can also choose to create the device manually. 204 204 205 205 [[image:image-20220610161538-8.png]] ... ... @@ -212,16 +212,16 @@ 212 212 213 213 214 214 215 -(% style="color:blue" %)**Step 2**(%%): Power on LDDS 75227 +(% style="color:blue" %)**Step 2**(%%): Power on LDDS45 216 216 217 217 218 218 Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position). 219 219 220 -[[image:image-2022061 0161724-10.png]]232 +[[image:image-20220611102908-2.png]] 221 221 222 222 223 223 ((( 224 -(% 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.236 +(% 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. 225 225 ))) 226 226 227 227 [[image:1654849068701-275.png]] ... ... @@ -231,11 +231,12 @@ 231 231 == 2.3 Uplink Payload == 232 232 233 233 ((( 234 -LDDS75 will uplink payload via LoRaWAN with below payload format: 246 +((( 247 +LDDS45 will uplink payload via LoRaWAN with below payload format: 235 235 236 -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 249 +Uplink payload includes in total 8 bytes. 238 238 ))) 251 +))) 239 239 240 240 ((( 241 241 ... ... @@ -260,7 +260,7 @@ 260 260 === 2.3.1 Battery Info === 261 261 262 262 263 -Check the battery voltage for LDDS 75.276 +Check the battery voltage for LDDS45. 264 264 265 265 Ex1: 0x0B45 = 2885mV 266 266 ... ... @@ -270,17 +270,22 @@ 270 270 271 271 === 2.3.2 Distance === 272 272 273 -Get the distance. Flat object range 280mm - 7500mm. 286 +((( 287 +Get the distance. Flat object range 30mm - 4500mm. 288 +))) 274 274 275 -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.** 290 +((( 291 +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 +))) 276 276 277 277 278 278 * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor. 279 -* 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.296 +* If the sensor value lower than 0x001E (30mm), the sensor value will be 0x00. 280 280 298 + 281 281 === 2.3.3 Interrupt Pin === 282 282 283 -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. 284 284 285 285 **Example:** 286 286 ... ... @@ -300,15 +300,17 @@ 300 300 301 301 If payload is: FF3FH : (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees. 302 302 303 -(% style="color:red" %)Note: DS18B20 feature is supported in the hardware version > v1.3 which made since early of 2021. 304 304 305 305 306 - 307 307 === 2.3.5 Sensor Flag === 308 308 325 +((( 309 309 0x01: Detect Ultrasonic Sensor 327 +))) 310 310 329 +((( 311 311 0x00: No Ultrasonic Sensor 331 +))) 312 312 313 313 314 314 ... ... @@ -321,13 +321,15 @@ 321 321 322 322 The payload decoder function for TTN V3 is here: 323 323 324 -LDDS75 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/]] 344 +((( 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/]] 346 +))) 325 325 326 326 327 327 328 328 == 2.4 Uplink Interval == 329 329 330 -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"]] 331 331 332 332 333 333 ... ... @@ -358,7 +358,7 @@ 358 358 359 359 (% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.** 360 360 361 -(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS 75 and add DevEUI.**383 +(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS45 and add DevEUI.** 362 362 363 363 [[image:1654851029373-510.png]] 364 364 ... ... @@ -372,7 +372,7 @@ 372 372 == 2.6 Frequency Plans == 373 373 374 374 ((( 375 -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. 376 376 ))) 377 377 378 378 ... ... @@ -839,7 +839,7 @@ 839 839 840 840 == 2.7 LED Indicator == 841 841 842 -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. 843 843 844 844 845 845 * Blink once when device power on. ... ... @@ -847,13 +847,21 @@ 847 847 * Solid ON for 5 seconds once device successful Join the network. 848 848 * Blink once when device transmit a packet. 849 849 872 + 850 850 == 2.8 Firmware Change Log == 851 851 852 852 853 -**Firmware download link: **[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/]] 876 +((( 877 +**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/]] 878 +))) 854 854 880 +((( 881 + 882 +))) 855 855 884 +((( 856 856 **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]] 886 +))) 857 857 858 858 859 859 ... ... @@ -860,20 +860,72 @@ 860 860 == 2.9 Mechanical == 861 861 862 862 863 -[[image: image-20220610172003-1.png]]893 +[[image:1654915562090-396.png]] 864 864 865 865 866 -[[image:image-20220610172003-2.png]] 867 867 868 868 869 869 870 -= =2.10BatteryAnalysis==899 += 3. Battery & How to replace = 871 871 872 -== =2.10.1Battery Type ===901 +== 3.1 Battery Type == 873 873 874 -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. 903 +((( 904 +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. 905 +))) 875 875 907 +((( 908 +The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance. 909 +))) 876 876 911 +[[image:1654593587246-335.png]] 912 + 913 + 914 +Minimum Working Voltage for the LSPH01: 915 + 916 +LSPH01: 2.45v ~~ 3.6v 917 + 918 + 919 + 920 +== 3.2 Replace Battery == 921 + 922 +((( 923 +Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery. 924 +))) 925 + 926 +((( 927 +And make sure the positive and negative pins match. 928 +))) 929 + 930 + 931 + 932 +== 3.3 Power Consumption Analyze == 933 + 934 +((( 935 +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. 936 +))) 937 + 938 +((( 939 +Instruction to use as below: 940 +))) 941 + 942 + 943 +**Step 1**: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from: 944 + 945 +[[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/]] 946 + 947 + 948 +**Step 2**: Open it and choose 949 + 950 +* Product Model 951 +* Uplink Interval 952 +* Working Mode 953 + 954 +And the Life expectation in difference case will be shown on the right. 955 + 956 +[[image:1654593605679-189.png]] 957 + 958 + 877 877 The battery related documents as below: 878 878 879 879 * ((( ... ... @@ -886,28 +886,33 @@ 886 886 [[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]] 887 887 ))) 888 888 889 - 10172400-3.png]]971 +[[image:image-20220607172042-11.png]] 890 890 891 891 892 892 893 -=== 2.10.2Replacethe battery ===975 +=== 3.3.1 Battery Note === 894 894 895 895 ((( 896 - 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.978 +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. 897 897 ))) 898 898 981 + 982 + 983 +=== 3.3.2 Replace the battery === 984 + 899 899 ((( 900 - 986 +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. 901 901 ))) 902 902 903 903 ((( 904 -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)990 +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) 905 905 ))) 906 906 907 907 908 908 909 -= 3. Configure LDDS75 via AT Command or LoRaWAN Downlink = 910 910 996 += 4. Configure LDDS75 via AT Command or LoRaWAN Downlink = 997 + 911 911 ((( 912 912 ((( 913 913 Use can configure LDDS75 via AT Command or LoRaWAN Downlink. ... ... @@ -984,7 +984,7 @@ 984 984 985 985 986 986 987 -== 3.1 Access AT Commands ==1074 +== 4.1 Access AT Commands == 988 988 989 989 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. 990 990 ... ... @@ -997,7 +997,9 @@ 997 997 [[image:image-20220610172924-5.png]] 998 998 999 999 1087 +((( 1000 1000 In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LDDS75. LDDS75 will output system info once power on as below: 1089 +))) 1001 1001 1002 1002 1003 1003 [[image:image-20220610172924-6.png||height="601" width="860"]] ... ... @@ -1004,7 +1004,7 @@ 1004 1004 1005 1005 1006 1006 1007 -== 3.2 Set Transmit Interval Time ==1096 +== 4.2 Set Transmit Interval Time == 1008 1008 1009 1009 Feature: Change LoRaWAN End Node Transmit Interval. 1010 1010 ... ... @@ -1021,18 +1021,21 @@ 1021 1021 ((( 1022 1022 Format: Command Code (0x01) followed by 3 bytes time value. 1023 1023 1113 +((( 1024 1024 If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01. 1115 +))) 1025 1025 1026 1026 * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds 1027 1027 * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds 1028 1028 ))) 1120 +))) 1029 1029 1030 1030 1031 - 1032 -))) 1033 1033 1034 -== 3.3 Set Interrupt Mode == 1035 1035 1125 + 1126 +== 4.3 Set Interrupt Mode == 1127 + 1036 1036 Feature, Set Interrupt mode for GPIO_EXIT. 1037 1037 1038 1038 (% style="color:#037691" %)**Downlink Command: AT+INTMOD** ... ... @@ -1044,20 +1044,23 @@ 1044 1044 1045 1045 Format: Command Code (0x06) followed by 3 bytes. 1046 1046 1139 +((( 1047 1047 This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06. 1141 +))) 1048 1048 1049 1049 * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode 1050 1050 * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 1051 1051 1052 -= 4. FAQ = 1053 1053 1054 -= =4.1Whatis the frequency plan for LDDS75?==1147 += 5. FAQ = 1055 1055 1149 +== 5.1 What is the frequency plan for LDDS75? == 1150 + 1056 1056 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"]] 1057 1057 1058 1058 1059 1059 1060 -== 4.2 How to change the LoRa Frequency Bands/Region ==1155 +== 5.2 How to change the LoRa Frequency Bands/Region == 1061 1061 1062 1062 You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]]. 1063 1063 When downloading the images, choose the required image file for download. ... ... @@ -1064,20 +1064,20 @@ 1064 1064 1065 1065 1066 1066 1067 -== 4.3 Can I use LDDS75 in condensation environment? ==1162 +== 5.3 Can I use LDDS75 in condensation environment? == 1068 1068 1069 1069 LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0. 1070 1070 1071 1071 1072 1072 1073 -= 5. Trouble Shooting =1168 += 6. Trouble Shooting = 1074 1074 1075 -== 5.1 Why I can’t join TTN V3 in US915 / AU915 bands? ==1170 +== 6.1 Why I can’t join TTN V3 in US915 / AU915 bands? == 1076 1076 1077 1077 It is due to channel mapping. Please see below link: [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]] 1078 1078 1079 1079 1080 -== 5.2 AT Command input doesn't work ==1175 +== 6.2 AT Command input doesn't work == 1081 1081 1082 1082 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. 1083 1083 ... ... @@ -1086,7 +1086,7 @@ 1086 1086 ))) 1087 1087 1088 1088 1089 -= 6. Order Info =1184 += 7. Order Info = 1090 1090 1091 1091 1092 1092 Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY** ... ... @@ -1108,9 +1108,10 @@ 1108 1108 * (% style="color:red" %)**4 **(%%)**: **4000mAh battery 1109 1109 * (% style="color:red" %)**8 **(%%)**:** 8500mAh battery 1110 1110 1111 -= 7. Packing Info = 1112 1112 1207 += 8. Packing Info = 1113 1113 1209 + 1114 1114 **Package Includes**: 1115 1115 1116 1116 * LDDS75 LoRaWAN Distance Detection Sensor x 1 ... ... @@ -1122,7 +1122,8 @@ 1122 1122 * Package Size / pcs : cm 1123 1123 * Weight / pcs : g 1124 1124 1125 -= 8. Support = 1126 1126 1222 += 9. Support = 1223 + 1127 1127 * 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. 1128 1128 * 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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