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 ... ... @@ -84,11 +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 89 89 90 90 91 91 93 + 92 92 == 1.3 Specification == 93 93 94 94 === 1.3.1 Rated environmental conditions === ... ... @@ -95,12 +95,15 @@ 95 95 96 96 [[image:image-20220610154839-1.png]] 97 97 98 -**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);** 99 99 100 -**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)** 101 +((( 102 +**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing); ** 101 101 104 +**~ 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)** 105 +))) 102 102 103 103 108 + 104 104 === 1.3.2 Effective measurement range Reference beam pattern === 105 105 106 106 **(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.** ... ... @@ -111,7 +111,9 @@ 111 111 112 112 113 113 119 +((( 114 114 **(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.** 121 +))) 115 115 116 116 117 117 [[image:1654852175653-550.png]](% style="display:none" %) ** ** ... ... @@ -130,6 +130,10 @@ 130 130 * Sewer 131 131 * Bottom water level monitoring 132 132 140 + 141 + 142 + 143 + 133 133 == 1.6 Pin mapping and power on == 134 134 135 135 ... ... @@ -137,16 +137,16 @@ 137 137 138 138 139 139 140 -= 2. Configure LDDS 75 to connect to LoRaWAN network =151 += 2. Configure LDDS45 to connect to LoRaWAN network = 141 141 142 142 == 2.1 How it works == 143 143 144 144 ((( 145 -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 value156 +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 146 146 ))) 147 147 148 148 ((( 149 -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 75.160 +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. 150 150 ))) 151 151 152 152 ... ... @@ -155,10 +155,15 @@ 155 155 156 156 ((( 157 157 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. 169 + 170 + 158 158 ))) 159 159 173 +[[image:1654913911773-521.png]] 174 + 175 + 160 160 ((( 161 - [[image:1654848616367-242.png]]177 + 162 162 ))) 163 163 164 164 ((( ... ... @@ -166,21 +166,27 @@ 166 166 ))) 167 167 168 168 ((( 169 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS 75.185 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS45. 170 170 ))) 171 171 172 172 ((( 173 -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.189 +Each LDDS45 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below. 174 174 ))) 175 175 176 176 [[image:image-20220607170145-1.jpeg]] 177 177 178 178 195 +((( 179 179 For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI. 197 +))) 180 180 199 +((( 181 181 Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot: 201 +))) 182 182 203 +((( 183 183 **Add APP EUI in the application** 205 +))) 184 184 185 185 [[image:image-20220610161353-4.png]] 186 186 ... ... @@ -191,7 +191,10 @@ 191 191 192 192 [[image:image-20220610161353-7.png]] 193 193 216 +**Choose LDDS75 instead of LDDS45 is ok. They are of the same payload** 194 194 218 + 219 + 195 195 You can also choose to create the device manually. 196 196 197 197 [[image:image-20220610161538-8.png]] ... ... @@ -204,16 +204,16 @@ 204 204 205 205 206 206 207 -(% style="color:blue" %)**Step 2**(%%): Power on LDDS 75232 +(% style="color:blue" %)**Step 2**(%%): Power on LDDS45 208 208 209 209 210 210 Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position). 211 211 212 -[[image:image-2022061 0161724-10.png]]237 +[[image:image-20220611102908-2.png]] 213 213 214 214 215 215 ((( 216 -(% 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.241 +(% 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. 217 217 ))) 218 218 219 219 [[image:1654849068701-275.png]] ... ... @@ -223,11 +223,12 @@ 223 223 == 2.3 Uplink Payload == 224 224 225 225 ((( 226 -LDDS75 will uplink payload via LoRaWAN with below payload format: 251 +((( 252 +LDDS45 will uplink payload via LoRaWAN with below payload format: 227 227 228 -Uplink payload includes in total 4 bytes. 229 -Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance 254 +Uplink payload includes in total 8 bytes. 230 230 ))) 256 +))) 231 231 232 232 ((( 233 233 ... ... @@ -252,7 +252,7 @@ 252 252 === 2.3.1 Battery Info === 253 253 254 254 255 -Check the battery voltage for LDDS 75.281 +Check the battery voltage for LDDS45. 256 256 257 257 Ex1: 0x0B45 = 2885mV 258 258 ... ... @@ -262,18 +262,21 @@ 262 262 263 263 === 2.3.2 Distance === 264 264 265 -Get the distance. Flat object range 280mm - 7500mm. 291 +((( 292 +Get the distance. Flat object range 30mm - 4500mm. 293 +))) 266 266 267 -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.** 295 +((( 296 +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.** 297 +))) 268 268 269 269 270 270 * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor. 271 -* 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.301 +* If the sensor value lower than 0x001E (30mm), the sensor value will be 0x00. 272 272 273 - 274 274 === 2.3.3 Interrupt Pin === 275 275 276 -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.305 +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. 277 277 278 278 **Example:** 279 279 ... ... @@ -293,15 +293,17 @@ 293 293 294 294 If payload is: FF3FH : (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees. 295 295 296 -(% style="color:red" %)Note: DS18B20 feature is supported in the hardware version > v1.3 which made since early of 2021. 297 297 298 298 299 - 300 300 === 2.3.5 Sensor Flag === 301 301 329 +((( 302 302 0x01: Detect Ultrasonic Sensor 331 +))) 303 303 333 +((( 304 304 0x00: No Ultrasonic Sensor 335 +))) 305 305 306 306 307 307 ... ... @@ -314,13 +314,15 @@ 314 314 315 315 The payload decoder function for TTN V3 is here: 316 316 317 -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/]] 348 +((( 349 +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/]] 350 +))) 318 318 319 319 320 320 321 321 == 2.4 Uplink Interval == 322 322 323 -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"]]356 +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"]] 324 324 325 325 326 326 ... ... @@ -351,7 +351,7 @@ 351 351 352 352 (% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.** 353 353 354 -(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS 75 and add DevEUI.**387 +(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS45 and add DevEUI.** 355 355 356 356 [[image:1654851029373-510.png]] 357 357 ... ... @@ -365,7 +365,7 @@ 365 365 == 2.6 Frequency Plans == 366 366 367 367 ((( 368 -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.401 +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. 369 369 ))) 370 370 371 371 ... ... @@ -832,7 +832,7 @@ 832 832 833 833 == 2.7 LED Indicator == 834 834 835 -The LDDS 75 has an internal LED which is to show the status of different state.868 +The LDDS45 has an internal LED which is to show the status of different state. 836 836 837 837 838 838 * Blink once when device power on. ... ... @@ -840,14 +840,20 @@ 840 840 * Solid ON for 5 seconds once device successful Join the network. 841 841 * Blink once when device transmit a packet. 842 842 843 - 844 844 == 2.8 Firmware Change Log == 845 845 846 846 847 -**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/]] 879 +((( 880 +**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/]] 881 +))) 848 848 883 +((( 884 + 885 +))) 849 849 887 +((( 850 850 **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]] 889 +))) 851 851 852 852 853 853 ... ... @@ -854,20 +854,72 @@ 854 854 == 2.9 Mechanical == 855 855 856 856 857 -[[image: image-20220610172003-1.png]]896 +[[image:1654915562090-396.png]] 858 858 859 859 860 -[[image:image-20220610172003-2.png]] 861 861 862 862 863 863 864 -= =2.10BatteryAnalysis==902 += 3. Battery & How to replace = 865 865 866 -== =2.10.1Battery Type ===904 +== 3.1 Battery Type == 867 867 868 -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. 906 +((( 907 +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. 908 +))) 869 869 910 +((( 911 +The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance. 912 +))) 870 870 914 +[[image:1654593587246-335.png]] 915 + 916 + 917 +Minimum Working Voltage for the LSPH01: 918 + 919 +LSPH01: 2.45v ~~ 3.6v 920 + 921 + 922 + 923 +== 3.2 Replace Battery == 924 + 925 +((( 926 +Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery. 927 +))) 928 + 929 +((( 930 +And make sure the positive and negative pins match. 931 +))) 932 + 933 + 934 + 935 +== 3.3 Power Consumption Analyze == 936 + 937 +((( 938 +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. 939 +))) 940 + 941 +((( 942 +Instruction to use as below: 943 +))) 944 + 945 + 946 +**Step 1**: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from: 947 + 948 +[[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/]] 949 + 950 + 951 +**Step 2**: Open it and choose 952 + 953 +* Product Model 954 +* Uplink Interval 955 +* Working Mode 956 + 957 +And the Life expectation in difference case will be shown on the right. 958 + 959 +[[image:1654593605679-189.png]] 960 + 961 + 871 871 The battery related documents as below: 872 872 873 873 * ((( ... ... @@ -880,28 +880,33 @@ 880 880 [[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]] 881 881 ))) 882 882 883 - 10172400-3.png]]974 +[[image:image-20220607172042-11.png]] 884 884 885 885 886 886 887 -=== 2.10.2Replacethe battery ===978 +=== 3.3.1 Battery Note === 888 888 889 889 ((( 890 - 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.981 +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. 891 891 ))) 892 892 984 + 985 + 986 +=== 3.3.2 Replace the battery === 987 + 893 893 ((( 894 - 989 +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. 895 895 ))) 896 896 897 897 ((( 898 -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)993 +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) 899 899 ))) 900 900 901 901 902 902 903 -= 3. Configure LDDS75 via AT Command or LoRaWAN Downlink = 904 904 999 += 4. Configure LDDS75 via AT Command or LoRaWAN Downlink = 1000 + 905 905 ((( 906 906 ((( 907 907 Use can configure LDDS75 via AT Command or LoRaWAN Downlink. ... ... @@ -978,7 +978,7 @@ 978 978 979 979 980 980 981 -== 3.1 Access AT Commands ==1077 +== 4.1 Access AT Commands == 982 982 983 983 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. 984 984 ... ... @@ -991,7 +991,9 @@ 991 991 [[image:image-20220610172924-5.png]] 992 992 993 993 1090 +((( 994 994 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: 1092 +))) 995 995 996 996 997 997 [[image:image-20220610172924-6.png||height="601" width="860"]] ... ... @@ -998,7 +998,7 @@ 998 998 999 999 1000 1000 1001 -== 3.2 Set Transmit Interval Time ==1099 +== 4.2 Set Transmit Interval Time == 1002 1002 1003 1003 Feature: Change LoRaWAN End Node Transmit Interval. 1004 1004 ... ... @@ -1015,18 +1015,21 @@ 1015 1015 ((( 1016 1016 Format: Command Code (0x01) followed by 3 bytes time value. 1017 1017 1116 +((( 1018 1018 If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01. 1118 +))) 1019 1019 1020 1020 * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds 1021 1021 * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds 1022 1022 ))) 1123 +))) 1023 1023 1024 1024 1025 - 1026 -))) 1027 1027 1028 -== 3.3 Set Interrupt Mode == 1029 1029 1128 + 1129 +== 4.3 Set Interrupt Mode == 1130 + 1030 1030 Feature, Set Interrupt mode for GPIO_EXIT. 1031 1031 1032 1032 (% style="color:#037691" %)**Downlink Command: AT+INTMOD** ... ... @@ -1038,22 +1038,22 @@ 1038 1038 1039 1039 Format: Command Code (0x06) followed by 3 bytes. 1040 1040 1142 +((( 1041 1041 This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06. 1144 +))) 1042 1042 1043 1043 * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode 1044 1044 * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 1045 1045 1149 += 5. FAQ = 1046 1046 1151 +== 5.1 What is the frequency plan for LDDS75? == 1047 1047 1048 -= 4. FAQ = 1049 - 1050 -== 4.1 What is the frequency plan for LDDS75? == 1051 - 1052 1052 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"]] 1053 1053 1054 1054 1055 1055 1056 -== 4.2 How to change the LoRa Frequency Bands/Region ==1157 +== 5.2 How to change the LoRa Frequency Bands/Region == 1057 1057 1058 1058 You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]]. 1059 1059 When downloading the images, choose the required image file for download. ... ... @@ -1060,20 +1060,20 @@ 1060 1060 1061 1061 1062 1062 1063 -== 4.3 Can I use LDDS75 in condensation environment? ==1164 +== 5.3 Can I use LDDS75 in condensation environment? == 1064 1064 1065 1065 LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0. 1066 1066 1067 1067 1068 1068 1069 -= 5. Trouble Shooting =1170 += 6. Trouble Shooting = 1070 1070 1071 -== 5.1 Why I can’t join TTN V3 in US915 / AU915 bands? ==1172 +== 6.1 Why I can’t join TTN V3 in US915 / AU915 bands? == 1072 1072 1073 1073 It is due to channel mapping. Please see below link: [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]] 1074 1074 1075 1075 1076 -== 5.2 AT Command input doesn't work ==1177 +== 6.2 AT Command input doesn't work == 1077 1077 1078 1078 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. 1079 1079 ... ... @@ -1082,7 +1082,7 @@ 1082 1082 ))) 1083 1083 1084 1084 1085 -= 6. Order Info =1186 += 7. Order Info = 1086 1086 1087 1087 1088 1088 Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY** ... ... @@ -1104,11 +1104,9 @@ 1104 1104 * (% style="color:red" %)**4 **(%%)**: **4000mAh battery 1105 1105 * (% style="color:red" %)**8 **(%%)**:** 8500mAh battery 1106 1106 1208 += 8. Packing Info = 1107 1107 1108 1108 1109 -= 7. Packing Info = 1110 - 1111 - 1112 1112 **Package Includes**: 1113 1113 1114 1114 * LDDS75 LoRaWAN Distance Detection Sensor x 1 ... ... @@ -1120,9 +1120,7 @@ 1120 1120 * Package Size / pcs : cm 1121 1121 * Weight / pcs : g 1122 1122 1222 += 9. Support = 1123 1123 1124 - 1125 -= 8. Support = 1126 - 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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