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Last modified by Xiaoling on 2023/07/18 10:12
From version 212.1
edited by Bei Jinggeng
on 2022/11/01 17:55
Change comment: There is no comment for this version
To version 222.2
edited by Xiaoling
on 2022/11/21 11:51
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Bei
1 +XWiki.Xiaoling
Content
... ... @@ -16,7 +16,6 @@
16 16  
17 17  = 1. Introduction =
18 18  
19 -
20 20  == 1.1 What is LHT65N Temperature & Humidity Sensor ==
21 21  
22 22  
... ... @@ -61,6 +61,8 @@
61 61  * Tri-color LED to indicate working status
62 62  * Datalog feature (Max 3328 records)
63 63  
63 +
64 +
64 64  == 1.3 Specification ==
65 65  
66 66  
... ... @@ -85,9 +85,10 @@
85 85  * ±2°C accuracy from -55°C to +125°C
86 86  * Operating Range: -55 °C ~~ 125 °C
87 87  
88 -= 2. Connect LHT65N to IoT Server =
89 89  
90 90  
91 += 2. Connect LHT65N to IoT Server =
92 +
91 91  == 2.1 How does LHT65N work? ==
92 92  
93 93  
... ... @@ -100,7 +100,6 @@
100 100  )))
101 101  
102 102  
103 -
104 104  == 2.2 How to Activate LHT65N? ==
105 105  
106 106  
... ... @@ -109,7 +109,7 @@
109 109  )))
110 110  
111 111  * (((
112 -(% 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.
113 +(% 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.
113 113  )))
114 114  * (((
115 115  (% 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. 
... ... @@ -125,7 +125,6 @@
125 125  [[image:image-20220525110604-2.png||_mstalt="427531" _mstvisible="3"]]
126 126  
127 127  
128 -
129 129  == 2.3 Example to join LoRaWAN network ==
130 130  
131 131  
... ... @@ -184,7 +184,6 @@
184 184  
185 185  
186 186  
187 -
188 188  === 2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
189 189  
190 190  
... ... @@ -195,7 +195,6 @@
195 195  [[image:image-20220522233300-8.png||_mstalt="428389" _mstvisible="3" height="219" width="722"]]
196 196  
197 197  
198 -
199 199  == 2.4 Uplink Payload   ( Fport~=2) ==
200 200  
201 201  
... ... @@ -243,6 +243,8 @@
243 243  * The 7th byte (EXT #): defines the external sensor model.
244 244  * The 8(% _msthash="734578" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) ~~ 11(% _msthash="734579" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) byte: the value for external sensor value. The definition is based on external sensor type. (If EXT=0, there won't be these four bytes.)
245 245  
244 +
245 +
246 246  === 2.4.1 Decoder in TTN V3 ===
247 247  
248 248  
... ... @@ -271,6 +271,8 @@
271 271  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
272 272  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
273 273  
274 +
275 +
274 274  === 2.4.3 Built-in Temperature ===
275 275  
276 276  
... ... @@ -282,6 +282,8 @@
282 282  
283 283  * Temperature:  (0xF5C6-65536)/100=-26.18℃
284 284  
287 +
288 +
285 285  === 2.4.4 Built-in Humidity ===
286 286  
287 287  
... ... @@ -289,6 +289,8 @@
289 289  
290 290  * Humidity:    0x025C/10=60.4%
291 291  
296 +
297 +
292 292  === 2.4.5 Ext # ===
293 293  
294 294  
... ... @@ -297,10 +297,8 @@
297 297  [[image:image-20220523152822-17.png||_mstalt="454545" _mstvisible="3"]]
298 298  
299 299  
300 -
301 301  === 2.4.6 Ext value ===
302 302  
303 -
304 304  ==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
305 305  
306 306  
... ... @@ -387,6 +387,8 @@
387 387  * (% style="color:blue" %)**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.
388 388  * (% style="color:blue" %)**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)
389 389  
394 +
395 +
390 390  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
391 391  
392 392  
... ... @@ -500,7 +500,6 @@
500 500  
501 501  
502 502  
503 -
504 504  ==== 2.4.6.6 Ext~=8 Counting Mode（Since Firmware v1.3） ====
505 505  
506 506  
... ... @@ -600,7 +600,6 @@
600 600  [[image:image-20220523000825-10.png||_mstalt="450619" _mstvisible="3" height="413" width="728"]]
601 601  
602 602  
603 -
604 604  == 2.6 Datalog Feature ==
605 605  
606 606  
... ... @@ -609,7 +609,6 @@
609 609  )))
610 610  
611 611  
612 -
613 613  === 2.6.1 Ways to get datalog via LoRaWAN ===
614 614  
615 615  
... ... @@ -620,6 +620,7 @@
620 620  
621 621  (% style="color:blue" %)**Method 2: **(%%)Set [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]], LHT65N will wait for ACK for every uplink, when there is no LoRaWAN network, LHT65N will mark these records with non-ack messages and store the sensor data, and it will send all messages (10s interval) after the network recovery.
622 622  
626 +
623 623  (% style="color:red" %)**Note for method 2:**
624 624  
625 625  * a) LHT65N will do an ACK check for data records sending to make sure every data arrive server.
... ... @@ -631,7 +631,6 @@
631 631  [[image:image-20220703111700-2.png||height="381" width="1119"]]
632 632  
633 633  
634 -
635 635  === 2.6.2 Unix TimeStamp ===
636 636  
637 637  
... ... @@ -648,10 +648,10 @@
648 648  
649 649  [[image:image-20220523001219-12.png||_mstalt="450827" _mstvisible="3" height="298" width="720"]]
650 650  
654 +
651 651  So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
652 652  
653 653  
654 -
655 655  === 2.6.3 Set Device Time ===
656 656  
657 657  
... ... @@ -675,10 +675,8 @@
675 675  (% style="color:red" %)**Note: LoRaWAN Server need to support LoRaWAN v1.0.3(MAC v1.0.3) or higher to support this MAC command feature, Chirpstack,TTN V3 v3 and loriot support but TTN V3 v2 doesn't support. If server doesn't support this command, it will through away uplink packet with this command, so user will lose the packet with time request for TTN V3 v2 if SYNCMOD=1.**
676 676  )))
677 677  
678 -(((
679 -
680 -)))
681 681  
682 +
682 682  (((
683 683  **2. Manually Set Time**
684 684  )))
... ... @@ -781,10 +781,9 @@
781 781  Unix time is 0x60066009=1611030423s=21/1/19 04:27:03
782 782  
783 783  
785 +== 2.7 Alarm Mode & Feature "Multi sampling, one uplink" ==
784 784  
785 -== 2.7 Alarm Mode ==
786 786  
787 -
788 788  (((
789 789  when the device is in alarm mode, it checks the built-in sensor temperature for a short time. if the temperature exceeds the preconfigured range, it sends an uplink immediately.
790 790  )))
... ... @@ -793,9 +793,9 @@
793 793  (% style="color:red" %)**Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.**
794 794  
795 795  
796 -
797 797  === 2.7.1 ALARM MODE ( Since v1.3.1 firmware) ===
798 798  
798 +
799 799  **Internal GXHT30 temperature alarm**
800 800  
801 801  (((
... ... @@ -827,11 +827,12 @@
827 827  
828 828  AT+LEDALARM=1  :  3601
829 829  
830 +
830 830  (% style="color:#4f81bd" %)**Downlink Command: AAXXXXXXXXXXXXXX**
831 831  
832 832  Total bytes: 8 bytes
833 833  
834 -**Example:**AA0100010001003C
835 +**Example: **AA0100010001003C
835 835  
836 836  WMOD=01
837 837  
... ... @@ -844,11 +844,11 @@
844 844  
845 845  **DS18B20 and TMP117 Threshold Alarm**
846 846  
847 - AT+WMOD=1,60,-10,20
848 +**~ AT+WMOD=1,60,-10,20**
848 848  
849 849  (% style="color:#4f81bd" %)**Downlink Command:**
850 850  
851 -**Example:**A5013CFC180014
852 +**Example: **A5013CFC180014
852 852  
853 853  MOD=01
854 854  
... ... @@ -861,11 +861,11 @@
861 861  
862 862  **Fluctuation alarm for DS18B20 and TMP117**
863 863  
864 -AT+WMOD=2,60,5
865 +**AT+WMOD=2,60,5** 
865 865  
866 866  (% style="color:#4f81bd" %)**Downlink Command:**
867 867  
868 -**Example:**A5023C05
869 +**Example: **A5023C05
869 869  
870 870  MOD=02
871 871  
... ... @@ -874,13 +874,21 @@
874 874  temperature fluctuation=05
875 875  
876 876  
877 -**Collect multiple times and send once**
878 +==== **Sampling multiple times and uplink together** ====
878 878  
879 -AT+WMOD=3,1,60,20,-16,32,1  ~/~/Mode 3, the collection interval is 60s, the total number of collection is 20 times, and the data of these 20 times will be sent to the 20th time, with a maximum of 60 groups, the normal working temperature range is -10 to 32°C, 1 is to open the temperature alarm, 0 is to close the temperature alarm, and the temperature is turned on. After the alarm, if the temperature collected at the current time exceeds the normal working temperature, a data will be sent immediately.
880 +**AT+WMOD=3,1,60,20,-16,32,1**   
880 880  
882 +Explain:
883 +
884 +* Set Working Mode to **Mode 3**
885 +* Sampling Interval is **60**s.
886 +* When there is **20** sampling dats, Device will send these data via one uplink. (max value is 60, means max 60 sampling in one uplink)
887 +* Temperature alarm range is **-16** to **32**°C,
888 +* **1** to enable temperature alarm, **0** to disable the temperature alarm. If alarm is enabled, a data will be sent immediately  if temperate exceeds the Alarm range.
889 +
881 881  (% style="color:#4f81bd" %)**Downlink Command:**
882 882  
883 -**Example:**A50301003C14FFF0002001
892 +**Example: **A50301003C14FFF0002001
884 884  
885 885  MOD=03
886 886  
... ... @@ -896,14 +896,30 @@
896 896  
897 897  ARTEMP=01
898 898  
899 -
908 +
909 +**Uplink payload( Fport=3)**
910 +
911 +**Example: CBEA**01**0992**//0A41//**09C4**
912 +
913 +BatV=CBEA
914 +
915 +EXT=01
916 +
917 +Temp1=0992  ~/~/ 24.50℃
918 +
919 +Temp2=0A41  ~/~/ 26.25℃
920 +
921 +Temp3=09C4  ~/~/ 25.00℃
922 +
923 +
924 +(% style="color:red" %)**Note: This uplink will automatically select the appropriate DR according to the data length**
925 +
926 +(% style="color:red" %)** In this mode, the temperature resolution of ds18b20 is 0.25℃ to save power consumption**
900 900  )))
901 901  
902 -(((
929 +
903 903  === 2.7.2 ALARM MODE ( Before v1.3.1 firmware) ===
904 904  
905 -
906 -)))
907 907  
908 908  (% _mstvisible="1" class="box infomessage" %)
909 909  (((
... ... @@ -943,7 +943,6 @@
943 943  TEMPhigh=003C
944 944  
945 945  
946 -
947 947  == 2.8 LED Indicator ==
948 948  
949 949  
... ... @@ -958,6 +958,8 @@
958 958  * RED LED when external sensor is not connected
959 959  * For each success downlink, the PURPLE LED will blink once
960 960  
985 +
986 +
961 961  == 2.9 installation ==
962 962  
963 963  
... ... @@ -968,7 +968,6 @@
968 968  
969 969  = 3. Sensors and Accessories =
970 970  
971 -
972 972  == 3.1 E2 Extension Cable ==
973 973  
974 974  
... ... @@ -999,8 +999,6 @@
999 999  [[image:image-20220619092421-3.png||height="371" width="529"]]
1000 1000  
1001 1001  
1002 -
1003 -
1004 1004  == 3.2 E3 Temperature Probe ==
1005 1005  
1006 1006  
... ... @@ -1015,6 +1015,8 @@
1015 1015  * Operating Range: -40 ~~ 125 °C
1016 1016  * Working voltage 2.35v ~~ 5v
1017 1017  
1041 +
1042 +
1018 1018  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1019 1019  
1020 1020  
... ... @@ -1062,7 +1062,6 @@
1062 1062  )))
1063 1063  
1064 1064  
1065 -
1066 1066  == 4.1 Set Transmit Interval Time ==
1067 1067  
1068 1068  
... ... @@ -1084,6 +1084,8 @@
1084 1084  
1085 1085  * **Example 2**: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
1086 1086  
1111 +
1112 +
1087 1087  == 4.2 Set External Sensor Mode ==
1088 1088  
1089 1089  
... ... @@ -1107,6 +1107,8 @@
1107 1107  
1108 1108  * 0xA20702003c: Same as AT+SETCNT=60
1109 1109  
1136 +
1137 +
1110 1110  == 4.3 Enable/Disable uplink Temperature probe ID ==
1111 1111  
1112 1112  
... ... @@ -1137,6 +1137,8 @@
1137 1137  * **0xA800**  **~-~->** AT+PID=0
1138 1138  * **0xA801**     **~-~->** AT+PID=1
1139 1139  
1168 +
1169 +
1140 1140  == 4.4 Set Password ==
1141 1141  
1142 1142  
... ... @@ -1153,7 +1153,6 @@
1153 1153  No downlink command for this feature.
1154 1154  
1155 1155  
1156 -
1157 1157  == 4.5 Quit AT Command ==
1158 1158  
1159 1159  
... ... @@ -1170,7 +1170,6 @@
1170 1170  No downlink command for this feature.
1171 1171  
1172 1172  
1173 -
1174 1174  == 4.6 Set to sleep mode ==
1175 1175  
1176 1176  
... ... @@ -1188,6 +1188,8 @@
1188 1188  
1189 1189  * There is no downlink command to set to Sleep mode.
1190 1190  
1219 +
1220 +
1191 1191  == 4.7 Set system time ==
1192 1192  
1193 1193  
... ... @@ -1204,7 +1204,6 @@
1204 1204  0x306007806000  ~/~/  Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1205 1205  
1206 1206  
1207 -
1208 1208  == 4.8 Set Time Sync Mode ==
1209 1209  
1210 1210  
... ... @@ -1229,7 +1229,6 @@
1229 1229  0x28 00  ~/~/  Same As AT+SYNCMOD=0
1230 1230  
1231 1231  
1232 -
1233 1233  == 4.9 Set Time Sync Interval ==
1234 1234  
1235 1235  
... ... @@ -1246,7 +1246,6 @@
1246 1246  **0x29 0A**  ~/~/ Same as AT+SYNCTDC=0x0A
1247 1247  
1248 1248  
1249 -
1250 1250  == 4.10 Print data entries base on page. ==
1251 1251  
1252 1252  
... ... @@ -1263,7 +1263,6 @@
1263 1263  No downlink commands for feature
1264 1264  
1265 1265  
1266 -
1267 1267  == 4.11 Print last few data entries. ==
1268 1268  
1269 1269  
... ... @@ -1280,7 +1280,6 @@
1280 1280  No downlink commands for feature
1281 1281  
1282 1282  
1283 -
1284 1284  == 4.12 Clear Flash Record ==
1285 1285  
1286 1286  
... ... @@ -1296,6 +1296,8 @@
1296 1296  
1297 1297  * Example: 0xA301  ~/~/  Same as AT+CLRDTA
1298 1298  
1324 +
1325 +
1299 1299  == 4.13 Auto Send None-ACK messages ==
1300 1300  
1301 1301  
... ... @@ -1314,9 +1314,11 @@
1314 1314  
1315 1315  * Example: 0x3401  ~/~/  Same as AT+PNACKMD=1
1316 1316  
1317 -== 4.14 Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm ==
1318 1318  
1319 1319  
1346 +== 4.14 Modified WMOD command for external sensor TMP117 or DS18B20 temperature alarm（Since firmware 1.3.0） ==
1347 +
1348 +
1320 1320  Feature: Set internal and external temperature sensor alarms.
1321 1321  
1322 1322  (% border="1" cellspacing="4" style="background-color:#ffffcc; color:green; width:500px" %)
... ... @@ -1359,39 +1359,32 @@
1359 1359  
1360 1360  0xA5 01 0A 11 94 29 04 ~-~- AT+WMOD=1,10,45,105  (AT+WMOD = second byte, third byte, fourth and fifth bytes divided by 100, sixth and seventh bytes divided by 100 )
1361 1361  
1391 +0XA5 01 0A F9 C0 29 04 ~-~-AT+WMOD=1,10,-16,105(Need to convert -16 to -1600 for calculation，-1600(DEC)=FFFFFFFFFFFFF9C0(HEX)  FFFFFFFFFFFFF9C0(HEX) +10000(HEX)=F9C0(HEX))
1392 +
1362 1362  0xA5 02 0A 02 ~-~- AT+WMOD=2,10,2  (AT+WMOD = second byte, third byte, fourth byte)
1363 1363  
1364 1364  0xA5 FF ~-~- After the device receives it, upload the current alarm configuration (FPORT=8). Such as 01 0A 11 94 29 04 or 02 0A 02.
1365 1365  
1366 1366  
1367 -
1368 1368  = 5. Battery & How to replace =
1369 1369  
1370 -
1371 1371  == 5.1 Battery Type ==
1372 1372  
1373 1373  
1374 1374  (((
1375 -(((
1376 1376  LHT65N is equipped with a 2400mAH Li-MnO2 (CR17505) battery . The battery is an un-rechargeable battery with low discharge rate targeting for up to 8~~10 years use. This type of battery is commonly used in IoT devices for long-term running, such as water meters.
1377 1377  )))
1378 -)))
1379 1379  
1380 1380  (((
1381 -
1382 -)))
1383 -
1384 -(((
1385 -(((
1386 1386  The discharge curve is not linear so can't simply use percentage to show the battery level. Below is the battery performance.
1409 +
1410 +
1387 1387  [[image:image-20220515075034-1.png||_mstalt="428961" _mstvisible="4" height="208" width="644"]]
1388 1388  )))
1389 -)))
1390 1390  
1391 1391  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1392 1392  
1393 1393  
1394 -
1395 1395  == 5.2 Replace Battery ==
1396 1396  
1397 1397  
... ... @@ -1400,7 +1400,6 @@
1400 1400  [[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"]]
1401 1401  
1402 1402  
1403 -
1404 1404  == 5.3 Battery Life Analyze ==
1405 1405  
1406 1406  
... ... @@ -1409,9 +1409,6 @@
1409 1409  [[https:~~/~~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf>>https://www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf]]
1410 1410  )))
1411 1411  
1412 -(((
1413 -
1414 -)))
1415 1415  
1416 1416  (((
1417 1417  A full detail test report for LHT65N on different frequency can be found at : [[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0>>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0]]
... ... @@ -1418,10 +1418,8 @@
1418 1418  )))
1419 1419  
1420 1420  
1421 -
1422 1422  = 6. FAQ =
1423 1423  
1424 -
1425 1425  == 6.1 How to use AT Command? ==
1426 1426  
1427 1427  
... ... @@ -1642,7 +1642,6 @@
1642 1642  AT+PID:  Get or set the PID
1643 1643  
1644 1644  
1645 -
1646 1646  == 6.2 Where to use AT commands and Downlink commands ==
1647 1647  
1648 1648  
... ... @@ -1682,7 +1682,6 @@
1682 1682  [[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
1683 1683  
1684 1684  
1685 -
1686 1686  == 6.3 How to change the uplink interval？ ==
1687 1687  
1688 1688  
... ... @@ -1689,7 +1689,6 @@
1689 1689  Please see this link: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/||_msthash="506137" _msttexthash="5712018" style="background-color: rgb(255, 255, 255);"]]
1690 1690  
1691 1691  
1692 -
1693 1693  == 6.4 How to use TTL-USB to connect a PC to input AT commands? ==
1694 1694  
1695 1695  
... ... @@ -1708,7 +1708,6 @@
1708 1708  [[image:image-20220615154519-3.png||height="672" width="807"]]
1709 1709  
1710 1710  
1711 -
1712 1712  == 6.5 How to use TTL-USB to connect PC to upgrade firmware? ==
1713 1713  
1714 1714  
... ... @@ -1751,7 +1751,6 @@
1751 1751  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
1752 1752  
1753 1753  
1754 -
1755 1755  == 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
1756 1756  
1757 1757  
... ... @@ -1771,7 +1771,6 @@
1771 1771  [[image:image-20220615154519-3.png||height="672" width="807"]]
1772 1772  
1773 1773  
1774 -
1775 1775  == 6.7 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
1776 1776  
1777 1777  
... ... @@ -1793,7 +1793,7 @@
1793 1793  [[image:image-20220623113959-5.png||height="528" width="397"]]
1794 1794  
1795 1795  (% _msthash="506146" _msttexthash="52173160" %)
1796 -Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1806 +Connect A8 and GND with Dupont wire for a while and then separate，enter reset mode
1797 1797  
1798 1798  
1799 1799  
... ... @@ -1810,10 +1810,9 @@
1810 1810  [[image:image-20220620160723-8.png]]
1811 1811  
1812 1812  
1813 -Finally,restart reset device again
1823 +Finally,Disconnect 3.3v，Connect A8 and GND with Dupont wire for a while and then separate，exit reset mode
1814 1814  
1815 1815  
1816 -
1817 1817  = 7. Order Info =
1818 1818  
1819 1819  
... ... @@ -1834,6 +1834,8 @@
1834 1834  
1835 1835  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1836 1836  
1846 +
1847 +
1837 1837  = 8. Packing Info =
1838 1838  
1839 1839  
... ... @@ -1844,14 +1844,18 @@
1844 1844  
1845 1845  **Dimension and weight**:
1846 1846  
1847 -* Device Size:  10 x 10 x 3.5 cm
1858 +* Device Size:  10 x 10 x 3.5 mm
1848 1848  * Device Weight: 120.5g
1849 1849  
1861 +
1862 +
1850 1850  = 9. Reference material =
1851 1851  
1852 1852  
1853 1853  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1854 1854  
1868 +
1869 +
1855 1855  = 10. FCC Warning =
1856 1856  
1857 1857