Changes for page LHT52 - LoRaWAN Temperature & Humidity Sensor User Manual
Last modified by Mengting Qiu on 2025/07/03 14:48
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... ... @@ -1,1 +1,1 @@ 1 -LHT 65NLoRaWAN Temperature & Humidity Sensor Manual1 +LHT52 - LoRaWAN Temperature & Humidity Sensor User Manual - Parent
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... ... @@ -1,1 +1,1 @@ 1 -Main.WebHome 1 +Main.User Manual for LoRaWAN End Nodes.WebHome - Content
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... ... @@ -1,60 +1,50 @@ 1 1 (% style="text-align:center" %) 2 -[[image: image-20220613162008-1.png||_mstalt="428142" height="579" width="379"]]2 +[[image:1655774244188-589.png]] 3 3 4 4 5 5 6 6 7 - 8 8 (% _mstvisible="1" %) 9 9 (% _msthash="315238" _msttexthash="18964465" _mstvisible="3" %)**Table of Contents:** 10 10 11 -{{toc/}} 12 12 13 13 14 14 15 15 14 + 15 + 16 16 (% _mstvisible="1" %) 17 17 = (% _msthash="277498" _msttexthash="253045" _mstvisible="3" %)1. Introduction(%%) = 18 18 19 19 (% _mstvisible="1" %) 20 -== (% _msthash="1532895" _msttexthash="1426958" _mstvisible="3" %)1.1 What is LHT 65NTemperature & Humidity Sensor(%%) ==20 +== (% _msthash="1532895" _msttexthash="1426958" _mstvisible="3" %)1.1 What is LHT52 Temperature & Humidity Sensor(%%) == 21 21 22 22 (% _mstvisible="1" %) 23 23 ((( 24 24 (% _msthash="506051" _msttexthash="24333127" _mstvisible="2" %) 25 -The Dragino LHT65N Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a (% _mstvisible="4" style="color:#4f81bd" %)**built-in Temperature & Humidity sensor**(%%) and has an external sensor connector to connect to an external (% _mstvisible="4" style="color:#4f81bd" %)**Temperature Sensor**(% _mstvisible="3" %)**.** 26 -))) 25 + 27 27 28 -(% _mstvisible="1" %) 29 -((( 30 -(% _msthash="506052" _msttexthash="66005810" _mstvisible="2" %) 31 -The LHT65N allows users to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on. 32 -))) 27 +The Dragino LHT52 Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a (% style="color:blue" %)**built-in Temperature & Humidity sensor** (%%)and has a USB Type-C sensor connector to connect to external sensors such as external Temperature Sensor. 33 33 34 -(% _mstvisible="1" %) 35 -((( 36 -(% _msthash="506053" _msttexthash="4298047" _mstvisible="2" %) 37 -LHT65N has a built-in 2400mAh non-chargeable battery which can be used for up to 10 years*. 38 -))) 29 +LHT52 (% style="color:blue" %)**senses environment temperature and humidity**(%%) and send these values via long-range wireless LoRaWAN protocol. It targets professional wireless sensor network applications such as food service, smart metering, smart cities, building automation, and so on. 39 39 40 -(% _mstvisible="1" %) 41 -((( 42 -(% _msthash="506054" _msttexthash="6016374" _mstvisible="2" %) 43 -LHT65N is full compatible with LoRaWAN v1.0.3 Class A protocol, it can work with a standard LoRaWAN gateway. 44 -))) 31 +LHT52 supports(% style="color:blue" %)** 2 x AAA batteries **(%%)and works for a long time up to several years. Use can replace the batteries easily after they are finished. 45 45 46 -(% _mstvisible="1" %) 47 -((( 48 -(% _msthash="506055" _msttexthash="17023136" _mstvisible="2" %) 49 -LHT65N supports (% _mstvisible="4" style="color:#4f81bd" %)**Datalog Feature**(%%). It will record the data when there is no network coverage and users can retrieve the sensor value later to ensure no miss for every sensor reading. 33 +LHT52 is fully compatible with LoRaWAN v1.0.3 protocol, it can work with standard LoRaWAN gateway. 34 + 35 +LHT52 supports(% style="color:blue" %)** Datalog feature** (%%)to make sure users won’t miss sensor data. It records sensor value for every uplink. These values can be retrieved by LoRaWAN server via downlink command. 36 + 37 +LHT52 supports(% style="color:blue" %)** temperature alarm feature**(%%). It can uplink alarm in a short interval while temperature exceeds preset limits. 38 + 39 +*Battery life depends how often to send data, please see [[battery analyzer>>||anchor="H4.2A0PowerConsumptionAnalyze"]]. 40 + 41 +(% _msthash="506051" _msttexthash="24333127" _mstvisible="2" %) 42 +[[image:1655774519494-861.png]] 50 50 ))) 51 51 52 52 (% _mstvisible="1" %) 53 53 ((( 54 54 (% _msthash="506056" _msttexthash="5557097" _mstvisible="2" %) 55 -*The actual battery life depends on how often to send data, please see the battery analyzer chapter. 56 - 57 -(% _msthash="506056" _msttexthash="5557097" _mstvisible="2" %) 58 58 59 59 ))) 60 60 ... ... @@ -202,8 +202,8 @@ 202 202 The LHT65N has two working modes: 203 203 204 204 (% _mstvisible="1" %) 205 -* **Deep Sleep Mode**: LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life. 206 -* **Working Mode**: In this mode, LHT65N works as LoRaWAN Sensor mode to Join LoRaWAN network and send out the sensor data to the server. Between each sampling/tx/rx periodically, LHT65 will be in STOP mode (IDLE mode), in STOP mode, LHT65N has the same power consumption as Deep Sleep mode. 195 +* (% style="color:blue" %)**Deep Sleep Mode**(%%): LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life. 196 +* (% style="color:blue" %)**Working Mode**(%%): In this mode, LHT65N works as LoRaWAN Sensor mode to Join LoRaWAN network and send out the sensor data to the server. Between each sampling/tx/rx periodically, LHT65N will be in STOP mode (IDLE mode), in STOP mode, LHT65N has the same power consumption as Deep Sleep mode. 207 207 208 208 (% _mstvisible="1" %) 209 209 ((( ... ... @@ -241,7 +241,7 @@ 241 241 Each LHT65N is shipped with a sticker with its device EUI, APP Key and APP EUI as below: 242 242 243 243 (% _mstvisible="1" %) 244 -[[image:image-202205 22232812-2.png||_mstalt="428467" _mstvisible="3" height="219" width="279"]]234 +[[image:image-20220617150003-1.jpeg]] 245 245 246 246 (% _msthash="315244" _msttexthash="3659149" _mstvisible="1" %) 247 247 User can enter these keys in the LoRaWAN Server portal. Below is TTN V3 screenshot: ... ... @@ -413,8 +413,6 @@ 413 413 (% _mstvisible="1" %) 414 414 * Temperature: (0xF5C6-65536)/100=-26.18℃ 415 415 416 - 417 - 418 418 (% _mstvisible="1" %) 419 419 === (% _msthash="475891" _msttexthash="445120" _mstvisible="3" %)2.4.4 Built-in Humidity(%%) === 420 420 ... ... @@ -424,8 +424,6 @@ 424 424 (% _mstvisible="1" %) 425 425 * Humidity: 0x025C/10=60.4% 426 426 427 - 428 - 429 429 (% _mstvisible="1" %) 430 430 === (% _msthash="116532" _msttexthash="87958" _mstvisible="3" %)2.4.5 Ext #(%%) === 431 431 ... ... @@ -472,7 +472,6 @@ 472 472 ))) 473 473 474 474 475 - 476 476 (% _mstvisible="1" %) 477 477 ==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp(%%) ==== 478 478 ... ... @@ -593,8 +593,18 @@ 593 593 * Sync time OK: 1: Set time ok,0: N/A. After time SYNC request is sent, LHT65N will set this bit to 0 until got the time stamp from the application server. 594 594 * Unix Time Request:1: Request server downlink Unix time, 0 : N/A. In this mode, LHT65N will set this bit to 1 every 10 days to request a time SYNC. (AT+SYNCMOD to set this) 595 595 581 +==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable)(%%) ==== 596 596 583 +In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can 597 597 585 +be used to power the external ADC sensor; user can control the power on time for this 586 + 587 +sensor by setting: 588 + 589 +AT+EXT=6,timeout (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms 590 + 591 + 592 + 598 598 (% _mstvisible="1" %) 599 599 == (% _msthash="487097" _msttexthash="454818" _mstvisible="3" %)2.5 Show data on Datacake(%%) == 600 600 ... ... @@ -657,8 +657,6 @@ 657 657 1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range. 658 658 1. Set [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]], LHT65N will wait for ACK for every uplink, when there is no LoRaWAN network, LHT65N will store the sensor data, and it will send all messages after network recover. 659 659 660 - 661 - 662 662 (% _mstvisible="1" %) 663 663 === (% _msthash="369915" _msttexthash="342797" _mstvisible="3" %)2.6.2 Unix TimeStamp(%%) === 664 664 ... ... @@ -1157,6 +1157,17 @@ 1157 1157 = (% _msthash="401388" _msttexthash="566956" _mstvisible="3" %)3. S(% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)ensors(% _msthash="401388" _msttexthash="40417" _mstvisible="3" %) and A(% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)ccessories(%%) = 1158 1158 1159 1159 (% _msthidden="1" _mstvisible="1" style="text-align: left;" %) 1153 +== (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(% _msthash="487110" _msttexthash="455390" %) E2 Extension Cable(%%) == 1154 + 1155 +[[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]] 1156 + 1157 +1m long breakout cable for LHT65N 1158 + 1159 +[[image:image-20220619092421-3.png||height="371" width="529"]] 1160 + 1161 + 1162 + 1163 +(% _msthidden="1" _mstvisible="1" style="text-align: left;" %) 1160 1160 == (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(% _msthash="487110" _msttexthash="455390" %) E3 Temperature Probe(%%) == 1161 1161 1162 1162 (% _mstvisible="1" %) ... ... @@ -1174,8 +1174,6 @@ 1174 1174 * -55°C to 125°C 1175 1175 * Working voltage 2.35v ~~ 5v 1176 1176 1177 - 1178 - 1179 1179 (% _mstvisible="1" style="text-align: left;" %) 1180 1180 = (% _msthash="1940107" _msttexthash="1714063" _mstvisible="3" %)4. Configure LHT65N via AT command or LoRaWAN downlink(%%) = 1181 1181 ... ... @@ -1391,8 +1391,6 @@ 1391 1391 * 0xA800 **~-~->** AT+PID=0 1392 1392 * 0xA801 **~-~->** AT+PID=1 1393 1393 1394 - 1395 - 1396 1396 (% _mstvisible="1" style="text-align: left;" %) 1397 1397 == (% _msthash="266344" _msttexthash="242879" _mstvisible="3" %)4.4 Set Password(%%) == 1398 1398 ... ... @@ -1464,8 +1464,6 @@ 1464 1464 (% _mstvisible="1" %) 1465 1465 * There is no downlink command to set to Sleep mode. 1466 1466 1467 - 1468 - 1469 1469 (% _mstvisible="1" %) 1470 1470 == (% _msthash="336557" _msttexthash="309712" _mstvisible="3" %)4.7 Set system time(%%) == 1471 1471 ... ... @@ -1600,8 +1600,6 @@ 1600 1600 (% _mstvisible="1" %) 1601 1601 * Example: 0xA301 ~/~/Same as AT+CLRDTA 1602 1602 1603 - 1604 - 1605 1605 (% _mstvisible="1" %) 1606 1606 == (% _msthash="740532" _msttexthash="701363" _mstvisible="3" %)4.13 Auto Send None-ACK messages(%%) == 1607 1607 ... ... @@ -1625,8 +1625,6 @@ 1625 1625 (% _mstvisible="1" %) 1626 1626 * Example: 0x3401 ~/~/Same as AT+PNACKMD=1 1627 1627 1628 - 1629 - 1630 1630 (% _mstvisible="1" %) 1631 1631 = (% _msthash="568737" _msttexthash="502827" _mstvisible="3" %)5. Battery & How to replace(%%) = 1632 1632 ... ... @@ -1659,6 +1659,7 @@ 1659 1659 (% _mstvisible="1" %) 1660 1660 [[image:image-20220515075440-2.png||_mstalt="429546" _mstvisible="3" height="338" width="272"]][[image:image-20220515075625-3.png||_mstalt="431574" _mstvisible="3" height="193" width="257"]] 1661 1661 1656 + 1662 1662 (% _mstvisible="1" %) 1663 1663 == (% _msthash="494650" _msttexthash="462241" _mstvisible="3" %)5.3 Battery Life Analyze(%%) == 1664 1664 ... ... @@ -1921,7 +1921,7 @@ 1921 1921 (% _msthash="506131" _msttexthash="14585714" %) 1922 1922 AT commands: 1923 1923 1924 -[[image:image-202206 15092034-1.png||_mstalt="428870"]]1919 +[[image:image-20220620153708-1.png||height="603" width="723"]] 1925 1925 1926 1926 (% _msthash="506132" _msttexthash="337922" %) 1927 1927 Downlink commands: ... ... @@ -1930,13 +1930,13 @@ 1930 1930 (% _msthash="506133" _msttexthash="33046" %) 1931 1931 **TTN:** 1932 1932 1933 -[[image:image-20220615092124-2.png||_mstalt="429221" height=" 843" width="893"]]1928 +[[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]] 1934 1934 1935 1935 1936 1936 (% _msthash="506134" _msttexthash="11113791" %) 1937 1937 **Helium:** 1938 1938 1939 -[[image:image-20220615092551-3.png||_mstalt="430794" height=" 556" width="1097"]]1934 +[[image:image-20220615092551-3.png||_mstalt="430794" height="423" width="835"]] 1940 1940 1941 1941 1942 1942 (% _msthash="506135" _msttexthash="4159844" %) ... ... @@ -1944,13 +1944,13 @@ 1944 1944 1945 1945 [[image:image-20220615094850-6.png||_mstalt="433082"]] 1946 1946 1947 -[[image:image-20220615094904-7.png||_mstalt="433485" height=" 329" width="1067"]]1942 +[[image:image-20220615094904-7.png||_mstalt="433485" height="281" width="911"]] 1948 1948 1949 1949 1950 1950 (% _msthash="506136" _msttexthash="39286" %) 1951 1951 **Aws:** 1952 1952 1953 -[[image:image-20220615092939-4.png||_mstalt="434460" height=" 532" width="1062"]]1948 +[[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]] 1954 1954 1955 1955 1956 1956 == (% _msthash="1220570" _msttexthash="33199257" %)6.3 How to change the uplink interval?(%%) == ... ... @@ -1963,6 +1963,8 @@ 1963 1963 1964 1964 [[image:image-20220615153355-1.png]] 1965 1965 1961 +[[image:image-20220620154900-5.jpeg||height="427" width="570"]] 1962 + 1966 1966 (% style="background-color:yellow" %)**1 < - -> GND < - -> Black** 1967 1967 1968 1968 (% style="background-color:yellow" %)**5 < - -> RXD < - -> White** ... ... @@ -1969,9 +1969,10 @@ 1969 1969 1970 1970 (% style="background-color:yellow" %)**9 < - -> TXD < - -> Green** 1971 1971 1972 -[[image:image-20220615153914-2.jpeg||height="608" width="456"]] 1973 1973 1970 +To switch from download mode to command mode, press reset key 1974 1974 1972 + 1975 1975 ((( 1976 1976 (% _msthash="736728" _msttexthash="67213055" %) 1977 1977 ((( ... ... @@ -1983,16 +1983,18 @@ 1983 1983 (% _msthash="736729" _msttexthash="1907009" %) 1984 1984 Input password and ATZ to activate LHT65N,As shown below: 1985 1985 1986 -[[image:image-20220615154519-3.png]] 1984 +[[image:image-20220615154519-3.png||height="672" width="807"]] 1987 1987 1988 1988 1989 1989 ))) 1990 1990 1991 - 1992 1992 == 6.5 How to use TTL-USB to connect PC to upgrade firmware? == 1993 1993 1991 + 1994 1994 [[image:image-20220615153355-1.png]] 1995 1995 1994 +(% style="background-color:yellow" %)**1 < - -> GND < - -> Black** 1995 + 1996 1996 (% style="background-color:yellow" %)**4 < - -> 3.3V < - -> Blue** 1997 1997 1998 1998 (% style="background-color:yellow" %)**5 < - -> RXD < - -> White** ... ... @@ -1999,9 +1999,13 @@ 1999 1999 2000 2000 (% style="background-color:yellow" %)**9 < - -> TXD < - -> Green** 2001 2001 2002 - Useafter connection,ground wire(1 <--> GND < - -> Black) for1s and then pullit out.Then restartthe device.2002 +[[image:image-20220620160241-6.jpeg||height="428" width="571"]] 2003 2003 2004 +Press reset after connecting the 4boot cable to enter the download mode. 2004 2004 2006 +[[image:image-20220620160516-7.png||height="435" width="435"]] 2007 + 2008 + 2005 2005 (% _mstmutation="1" %)**Step1**(%%): Install TremoProgrammer first. 2006 2006 2007 2007 [[image:image-20220615170542-5.png]] ... ... @@ -2019,7 +2019,7 @@ 2019 2019 2020 2020 (% _istranslated="1" _mstmutation="1" %)**Step4:**(%%)Click Start 2021 2021 2022 - 2026 +[[image:image-20220620160723-8.png]] 2023 2023 ))) 2024 2024 2025 2025 (% _mstvisible="1" %) ... ... @@ -2091,8 +2091,6 @@ 2091 2091 (% _msthash="903335" _msttexthash="720135" _mstvisible="4" %) 2092 2092 (% style="color:red" %)**E3**(%%): External Temperature Probe 2093 2093 2094 - 2095 -(% _msthash="903335" _msttexthash="720135" _mstvisible="4" %) 2096 2096 2097 2097 ))) 2098 2098 ... ... @@ -2116,11 +2116,6 @@ 2116 2116 ))) 2117 2117 * (% _mstvisible="3" %) 2118 2118 ((( 2119 -(% _msthash="903337" _msttexthash="242567" _mstvisible="4" %) 2120 -Program cable x 1 2121 -))) 2122 -* (% _mstvisible="3" %) 2123 -((( 2124 2124 (% _msthash="903338" _msttexthash="544167" _mstvisible="4" %) 2125 2125 Optional external sensor 2126 2126 ))) ... ... @@ -2146,9 +2146,6 @@ 2146 2146 (% _mstvisible="3" %) 2147 2147 ((( 2148 2148 2149 - 2150 -(% _msthash="903342" _msttexthash="227084" _mstvisible="4" %) 2151 - 2152 2152 ))) 2153 2153 2154 2154 = (% _msthash="184782" _msttexthash="16007771" %)9. 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