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Last modified by Xiaoling on 2023/07/18 10:12
From version 213.1
edited by Bei Jinggeng
on 2022/11/02 11:17
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  
... ... @@ -899,30 +899,27 @@
899 899  
900 900  **Uplink payload( Fport=3)**
901 901  
902 -**Example:**CBEA0109920A4109C4
911 +**Example: CBEA**01**0992**//0A41//**09C4**
903 903  
904 904  BatV=CBEA
905 905  
906 906  EXT=01
907 907  
908 -Temp1=0992 ~/~/24.50℃
917 +Temp1=0992  ~/~/ 24.50℃
909 909  
910 -Temp2=0A41 ~/~/26.25℃
919 +Temp2=0A41  ~/~/ 26.25℃
911 911  
912 -Temp3=09C4 ~/~/25.00℃
921 +Temp3=09C4  ~/~/ 25.00℃
913 913  
923 +
914 914  (% style="color:red" %)**Note: This uplink will automatically select the appropriate DR according to the data length**
915 915  
916 916  (% style="color:red" %)** In this mode, the temperature resolution of ds18b20 is 0.25℃ to save power consumption**
917 -
918 -
919 919  )))
920 920  
921 -(((
929 +
922 922  === 2.7.2 ALARM MODE ( Before v1.3.1 firmware) ===
923 923  
924 -
925 -)))
926 926  
927 927  (% _mstvisible="1" class="box infomessage" %)
928 928  (((
... ... @@ -962,9 +962,6 @@
962 962  TEMPhigh=003C
963 963  
964 964  
965 -=== ===
966 -
967 -
968 968  == 2.8 LED Indicator ==
969 969  
970 970  
... ... @@ -979,6 +979,8 @@
979 979  * RED LED when external sensor is not connected
980 980  * For each success downlink, the PURPLE LED will blink once
981 981  
985 +
986 +
982 982  == 2.9 installation ==
983 983  
984 984  
... ... @@ -989,7 +989,6 @@
989 989  
990 990  = 3. Sensors and Accessories =
991 991  
992 -
993 993  == 3.1 E2 Extension Cable ==
994 994  
995 995  
... ... @@ -1020,8 +1020,6 @@
1020 1020  [[image:image-20220619092421-3.png||height="371" width="529"]]
1021 1021  
1022 1022  
1023 -
1024 -
1025 1025  == 3.2 E3 Temperature Probe ==
1026 1026  
1027 1027  
... ... @@ -1036,6 +1036,8 @@
1036 1036  * Operating Range: -40 ~~ 125 °C
1037 1037  * Working voltage 2.35v ~~ 5v
1038 1038  
1041 +
1042 +
1039 1039  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1040 1040  
1041 1041  
... ... @@ -1083,7 +1083,6 @@
1083 1083  )))
1084 1084  
1085 1085  
1086 -
1087 1087  == 4.1 Set Transmit Interval Time ==
1088 1088  
1089 1089  
... ... @@ -1105,6 +1105,8 @@
1105 1105  
1106 1106  * **Example 2**: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
1107 1107  
1111 +
1112 +
1108 1108  == 4.2 Set External Sensor Mode ==
1109 1109  
1110 1110  
... ... @@ -1128,6 +1128,8 @@
1128 1128  
1129 1129  * 0xA20702003c: Same as AT+SETCNT=60
1130 1130  
1136 +
1137 +
1131 1131  == 4.3 Enable/Disable uplink Temperature probe ID ==
1132 1132  
1133 1133  
... ... @@ -1158,6 +1158,8 @@
1158 1158  * **0xA800**  **~-~->** AT+PID=0
1159 1159  * **0xA801**     **~-~->** AT+PID=1
1160 1160  
1168 +
1169 +
1161 1161  == 4.4 Set Password ==
1162 1162  
1163 1163  
... ... @@ -1174,7 +1174,6 @@
1174 1174  No downlink command for this feature.
1175 1175  
1176 1176  
1177 -
1178 1178  == 4.5 Quit AT Command ==
1179 1179  
1180 1180  
... ... @@ -1191,7 +1191,6 @@
1191 1191  No downlink command for this feature.
1192 1192  
1193 1193  
1194 -
1195 1195  == 4.6 Set to sleep mode ==
1196 1196  
1197 1197  
... ... @@ -1209,6 +1209,8 @@
1209 1209  
1210 1210  * There is no downlink command to set to Sleep mode.
1211 1211  
1219 +
1220 +
1212 1212  == 4.7 Set system time ==
1213 1213  
1214 1214  
... ... @@ -1225,7 +1225,6 @@
1225 1225  0x306007806000  ~/~/  Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1226 1226  
1227 1227  
1228 -
1229 1229  == 4.8 Set Time Sync Mode ==
1230 1230  
1231 1231  
... ... @@ -1250,7 +1250,6 @@
1250 1250  0x28 00  ~/~/  Same As AT+SYNCMOD=0
1251 1251  
1252 1252  
1253 -
1254 1254  == 4.9 Set Time Sync Interval ==
1255 1255  
1256 1256  
... ... @@ -1267,7 +1267,6 @@
1267 1267  **0x29 0A**  ~/~/ Same as AT+SYNCTDC=0x0A
1268 1268  
1269 1269  
1270 -
1271 1271  == 4.10 Print data entries base on page. ==
1272 1272  
1273 1273  
... ... @@ -1284,7 +1284,6 @@
1284 1284  No downlink commands for feature
1285 1285  
1286 1286  
1287 -
1288 1288  == 4.11 Print last few data entries. ==
1289 1289  
1290 1290  
... ... @@ -1301,7 +1301,6 @@
1301 1301  No downlink commands for feature
1302 1302  
1303 1303  
1304 -
1305 1305  == 4.12 Clear Flash Record ==
1306 1306  
1307 1307  
... ... @@ -1317,6 +1317,8 @@
1317 1317  
1318 1318  * Example: 0xA301  ~/~/  Same as AT+CLRDTA
1319 1319  
1324 +
1325 +
1320 1320  == 4.13 Auto Send None-ACK messages ==
1321 1321  
1322 1322  
... ... @@ -1335,9 +1335,11 @@
1335 1335  
1336 1336  * Example: 0x3401  ~/~/  Same as AT+PNACKMD=1
1337 1337  
1338 -== 4.14 Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm ==
1339 1339  
1340 1340  
1346 +== 4.14 Modified WMOD command for external sensor TMP117 or DS18B20 temperature alarm（Since firmware 1.3.0） ==
1347 +
1348 +
1341 1341  Feature: Set internal and external temperature sensor alarms.
1342 1342  
1343 1343  (% border="1" cellspacing="4" style="background-color:#ffffcc; color:green; width:500px" %)
... ... @@ -1380,39 +1380,32 @@
1380 1380  
1381 1381  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 )
1382 1382  
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 +
1383 1383  0xA5 02 0A 02 ~-~- AT+WMOD=2,10,2  (AT+WMOD = second byte, third byte, fourth byte)
1384 1384  
1385 1385  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.
1386 1386  
1387 1387  
1388 -
1389 1389  = 5. Battery & How to replace =
1390 1390  
1391 -
1392 1392  == 5.1 Battery Type ==
1393 1393  
1394 1394  
1395 1395  (((
1396 -(((
1397 1397  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.
1398 1398  )))
1399 -)))
1400 1400  
1401 1401  (((
1402 -
1403 -)))
1404 -
1405 -(((
1406 -(((
1407 1407  The discharge curve is not linear so can't simply use percentage to show the battery level. Below is the battery performance.
1409 +
1410 +
1408 1408  [[image:image-20220515075034-1.png||_mstalt="428961" _mstvisible="4" height="208" width="644"]]
1409 1409  )))
1410 -)))
1411 1411  
1412 1412  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1413 1413  
1414 1414  
1415 -
1416 1416  == 5.2 Replace Battery ==
1417 1417  
1418 1418  
... ... @@ -1421,7 +1421,6 @@
1421 1421  [[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"]]
1422 1422  
1423 1423  
1424 -
1425 1425  == 5.3 Battery Life Analyze ==
1426 1426  
1427 1427  
... ... @@ -1430,9 +1430,6 @@
1430 1430  [[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]]
1431 1431  )))
1432 1432  
1433 -(((
1434 -
1435 -)))
1436 1436  
1437 1437  (((
1438 1438  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]]
... ... @@ -1439,10 +1439,8 @@
1439 1439  )))
1440 1440  
1441 1441  
1442 -
1443 1443  = 6. FAQ =
1444 1444  
1445 -
1446 1446  == 6.1 How to use AT Command? ==
1447 1447  
1448 1448  
... ... @@ -1663,7 +1663,6 @@
1663 1663  AT+PID:  Get or set the PID
1664 1664  
1665 1665  
1666 -
1667 1667  == 6.2 Where to use AT commands and Downlink commands ==
1668 1668  
1669 1669  
... ... @@ -1703,7 +1703,6 @@
1703 1703  [[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
1704 1704  
1705 1705  
1706 -
1707 1707  == 6.3 How to change the uplink interval？ ==
1708 1708  
1709 1709  
... ... @@ -1710,7 +1710,6 @@
1710 1710  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);"]]
1711 1711  
1712 1712  
1713 -
1714 1714  == 6.4 How to use TTL-USB to connect a PC to input AT commands? ==
1715 1715  
1716 1716  
... ... @@ -1729,7 +1729,6 @@
1729 1729  [[image:image-20220615154519-3.png||height="672" width="807"]]
1730 1730  
1731 1731  
1732 -
1733 1733  == 6.5 How to use TTL-USB to connect PC to upgrade firmware? ==
1734 1734  
1735 1735  
... ... @@ -1772,7 +1772,6 @@
1772 1772  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
1773 1773  
1774 1774  
1775 -
1776 1776  == 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
1777 1777  
1778 1778  
... ... @@ -1792,7 +1792,6 @@
1792 1792  [[image:image-20220615154519-3.png||height="672" width="807"]]
1793 1793  
1794 1794  
1795 -
1796 1796  == 6.7 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
1797 1797  
1798 1798  
... ... @@ -1814,7 +1814,7 @@
1814 1814  [[image:image-20220623113959-5.png||height="528" width="397"]]
1815 1815  
1816 1816  (% _msthash="506146" _msttexthash="52173160" %)
1817 -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
1818 1818  
1819 1819  
1820 1820  
... ... @@ -1831,10 +1831,9 @@
1831 1831  [[image:image-20220620160723-8.png]]
1832 1832  
1833 1833  
1834 -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
1835 1835  
1836 1836  
1837 -
1838 1838  = 7. Order Info =
1839 1839  
1840 1840  
... ... @@ -1855,6 +1855,8 @@
1855 1855  
1856 1856  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1857 1857  
1846 +
1847 +
1858 1858  = 8. Packing Info =
1859 1859  
1860 1860  
... ... @@ -1865,14 +1865,18 @@
1865 1865  
1866 1866  **Dimension and weight**:
1867 1867  
1868 -* Device Size:  10 x 10 x 3.5 cm
1858 +* Device Size:  10 x 10 x 3.5 mm
1869 1869  * Device Weight: 120.5g
1870 1870  
1861 +
1862 +
1871 1871  = 9. Reference material =
1872 1872  
1873 1873  
1874 1874  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1875 1875  
1868 +
1869 +
1876 1876  = 10. FCC Warning =
1877 1877  
1878 1878