Last modified by Xiaoling on 2023/07/18 10:12

From version 222.2
edited by Xiaoling
on 2022/11/21 11:51
Change comment: There is no comment for this version
To version 213.1
edited by Bei Jinggeng
on 2022/11/02 11:17
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Xiaoling
1 +XWiki.Bei
Content
... ... @@ -16,6 +16,7 @@
16 16  
17 17  = 1. Introduction =
18 18  
19 +
19 19  == 1.1 What is LHT65N Temperature & Humidity Sensor ==
20 20  
21 21  
... ... @@ -60,8 +60,6 @@
60 60  * Tri-color LED to indicate working status
61 61  * Datalog feature (Max 3328 records)
62 62  
63 -
64 -
65 65  == 1.3 Specification ==
66 66  
67 67  
... ... @@ -86,10 +86,9 @@
86 86  * ±2°C accuracy from -55°C to +125°C
87 87  * Operating Range: -55 °C ~~ 125 °C
88 88  
89 -
90 -
91 91  = 2. Connect LHT65N to IoT Server =
92 92  
90 +
93 93  == 2.1 How does LHT65N work? ==
94 94  
95 95  
... ... @@ -102,6 +102,7 @@
102 102  )))
103 103  
104 104  
103 +
105 105  == 2.2 How to Activate LHT65N? ==
106 106  
107 107  
... ... @@ -110,7 +110,7 @@
110 110  )))
111 111  
112 112  * (((
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.
112 +(% style="color:blue" %)**Deep Sleep Mode**(%%): LHT65N doesnt have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
114 114  )))
115 115  * (((
116 116  (% 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. 
... ... @@ -126,6 +126,7 @@
126 126  [[image:image-20220525110604-2.png||_mstalt="427531" _mstvisible="3"]]
127 127  
128 128  
128 +
129 129  == 2.3 Example to join LoRaWAN network ==
130 130  
131 131  
... ... @@ -184,6 +184,7 @@
184 184  
185 185  
186 186  
187 +
187 187  === 2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
188 188  
189 189  
... ... @@ -194,6 +194,7 @@
194 194  [[image:image-20220522233300-8.png||_mstalt="428389" _mstvisible="3" height="219" width="722"]]
195 195  
196 196  
198 +
197 197  == 2.4 Uplink Payload   ( Fport~=2) ==
198 198  
199 199  
... ... @@ -241,8 +241,6 @@
241 241  * The 7th byte (EXT #): defines the external sensor model.
242 242  * 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.)
243 243  
244 -
245 -
246 246  === 2.4.1 Decoder in TTN V3 ===
247 247  
248 248  
... ... @@ -271,8 +271,6 @@
271 271  * BAT status=(0Xcba4>>14)&0xFF=11(B),very good
272 272  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
273 273  
274 -
275 -
276 276  === 2.4.3 Built-in Temperature ===
277 277  
278 278  
... ... @@ -284,8 +284,6 @@
284 284  
285 285  * Temperature:  (0xF5C6-65536)/100=-26.18℃
286 286  
287 -
288 -
289 289  === 2.4.4 Built-in Humidity ===
290 290  
291 291  
... ... @@ -293,8 +293,6 @@
293 293  
294 294  * Humidity:    0x025C/10=60.4%
295 295  
296 -
297 -
298 298  === 2.4.5 Ext # ===
299 299  
300 300  
... ... @@ -303,8 +303,10 @@
303 303  [[image:image-20220523152822-17.png||_mstalt="454545" _mstvisible="3"]]
304 304  
305 305  
300 +
306 306  === 2.4.6 Ext value ===
307 307  
303 +
308 308  ==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
309 309  
310 310  
... ... @@ -391,8 +391,6 @@
391 391  * (% 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.
392 392  * (% 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)
393 393  
394 -
395 -
396 396  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
397 397  
398 398  
... ... @@ -506,6 +506,7 @@
506 506  
507 507  
508 508  
503 +
509 509  ==== 2.4.6.6 Ext~=8 Counting Mode(Since Firmware v1.3) ====
510 510  
511 511  
... ... @@ -605,6 +605,7 @@
605 605  [[image:image-20220523000825-10.png||_mstalt="450619" _mstvisible="3" height="413" width="728"]]
606 606  
607 607  
603 +
608 608  == 2.6 Datalog Feature ==
609 609  
610 610  
... ... @@ -613,6 +613,7 @@
613 613  )))
614 614  
615 615  
612 +
616 616  === 2.6.1 Ways to get datalog via LoRaWAN ===
617 617  
618 618  
... ... @@ -623,7 +623,6 @@
623 623  
624 624  (% 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.
625 625  
626 -
627 627  (% style="color:red" %)**Note for method 2:**
628 628  
629 629  * a) LHT65N will do an ACK check for data records sending to make sure every data arrive server.
... ... @@ -635,6 +635,7 @@
635 635  [[image:image-20220703111700-2.png||height="381" width="1119"]]
636 636  
637 637  
634 +
638 638  === 2.6.2 Unix TimeStamp ===
639 639  
640 640  
... ... @@ -651,10 +651,10 @@
651 651  
652 652  [[image:image-20220523001219-12.png||_mstalt="450827" _mstvisible="3" height="298" width="720"]]
653 653  
654 -
655 655  So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
656 656  
657 657  
654 +
658 658  === 2.6.3 Set Device Time ===
659 659  
660 660  
... ... @@ -678,8 +678,10 @@
678 678  (% 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.**
679 679  )))
680 680  
678 +(((
679 +
680 +)))
681 681  
682 -
683 683  (((
684 684  **2. Manually Set Time**
685 685  )))
... ... @@ -782,9 +782,10 @@
782 782  Unix time is 0x60066009=1611030423s=21/1/19 04:27:03
783 783  
784 784  
785 -== 2.7 Alarm Mode & Feature "Multi sampling, one uplink" ==
786 786  
785 +== 2.7 Alarm Mode ==
787 787  
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 +
796 796  === 2.7.1 ALARM MODE ( Since v1.3.1 firmware) ===
797 797  
798 -
799 799  **Internal GXHT30 temperature alarm**
800 800  
801 801  (((
... ... @@ -827,12 +827,11 @@
827 827  
828 828  AT+LEDALARM=1  :  3601
829 829  
830 -
831 831  (% style="color:#4f81bd" %)**Downlink Command: AAXXXXXXXXXXXXXX**
832 832  
833 833  Total bytes: 8 bytes
834 834  
835 -**Example: **AA0100010001003C
834 +**Example:**AA0100010001003C
836 836  
837 837  WMOD=01
838 838  
... ... @@ -845,11 +845,11 @@
845 845  
846 846  **DS18B20 and TMP117 Threshold Alarm**
847 847  
848 -**~ AT+WMOD=1,60,-10,20**
847 + AT+WMOD=1,60,-10,20
849 849  
850 850  (% style="color:#4f81bd" %)**Downlink Command:**
851 851  
852 -**Example: **A5013CFC180014
851 +**Example:**A5013CFC180014
853 853  
854 854  MOD=01
855 855  
... ... @@ -862,11 +862,11 @@
862 862  
863 863  **Fluctuation alarm for DS18B20 and TMP117**
864 864  
865 -**AT+WMOD=2,60,5** 
864 +AT+WMOD=2,60,5 
866 866  
867 867  (% style="color:#4f81bd" %)**Downlink Command:**
868 868  
869 -**Example: **A5023C05
868 +**Example:**A5023C05
870 870  
871 871  MOD=02
872 872  
... ... @@ -875,21 +875,13 @@
875 875  temperature fluctuation=05
876 876  
877 877  
878 -==== **Sampling multiple times and uplink together** ====
877 +**Collect multiple times and send once**
879 879  
880 -**AT+WMOD=3,1,60,20,-16,32,1**   
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.
881 881  
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 -
890 890  (% style="color:#4f81bd" %)**Downlink Command:**
891 891  
892 -**Example: **A50301003C14FFF0002001
883 +**Example:**A50301003C14FFF0002001
893 893  
894 894  MOD=03
895 895  
... ... @@ -908,27 +908,30 @@
908 908  
909 909  **Uplink payload( Fport=3)**
910 910  
911 -**Example: CBEA**01**0992**//0A41//**09C4**
902 +**Example:**CBEA0109920A4109C4
912 912  
913 913  BatV=CBEA
914 914  
915 915  EXT=01
916 916  
917 -Temp1=0992  ~/~/ 24.50℃
908 +Temp1=0992 ~/~/24.50℃
918 918  
919 -Temp2=0A41  ~/~/ 26.25℃
910 +Temp2=0A41 ~/~/26.25℃
920 920  
921 -Temp3=09C4  ~/~/ 25.00℃
912 +Temp3=09C4 ~/~/25.00℃
922 922  
923 -
924 924  (% style="color:red" %)**Note: This uplink will automatically select the appropriate DR according to the data length**
925 925  
926 926  (% style="color:red" %)** In this mode, the temperature resolution of ds18b20 is 0.25℃ to save power consumption**
917 +
918 +
927 927  )))
928 928  
929 -
921 +(((
930 930  === 2.7.2 ALARM MODE ( Before v1.3.1 firmware) ===
931 931  
924 +
925 +)))
932 932  
933 933  (% _mstvisible="1" class="box infomessage" %)
934 934  (((
... ... @@ -968,6 +968,9 @@
968 968  TEMPhigh=003C
969 969  
970 970  
965 +=== ===
966 +
967 +
971 971  == 2.8 LED Indicator ==
972 972  
973 973  
... ... @@ -982,8 +982,6 @@
982 982  * RED LED when external sensor is not connected
983 983  * For each success downlink, the PURPLE LED will blink once
984 984  
985 -
986 -
987 987  == 2.9 installation ==
988 988  
989 989  
... ... @@ -994,6 +994,7 @@
994 994  
995 995  = 3. Sensors and Accessories =
996 996  
992 +
997 997  == 3.1 E2 Extension Cable ==
998 998  
999 999  
... ... @@ -1024,6 +1024,8 @@
1024 1024  [[image:image-20220619092421-3.png||height="371" width="529"]]
1025 1025  
1026 1026  
1023 +
1024 +
1027 1027  == 3.2 E3 Temperature Probe ==
1028 1028  
1029 1029  
... ... @@ -1038,8 +1038,6 @@
1038 1038  * Operating Range: -40 ~~ 125 °C
1039 1039  * Working voltage 2.35v ~~ 5v
1040 1040  
1041 -
1042 -
1043 1043  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1044 1044  
1045 1045  
... ... @@ -1087,6 +1087,7 @@
1087 1087  )))
1088 1088  
1089 1089  
1086 +
1090 1090  == 4.1 Set Transmit Interval Time ==
1091 1091  
1092 1092  
... ... @@ -1108,8 +1108,6 @@
1108 1108  
1109 1109  * **Example 2**: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
1110 1110  
1111 -
1112 -
1113 1113  == 4.2 Set External Sensor Mode ==
1114 1114  
1115 1115  
... ... @@ -1133,8 +1133,6 @@
1133 1133  
1134 1134  * 0xA20702003c: Same as AT+SETCNT=60
1135 1135  
1136 -
1137 -
1138 1138  == 4.3 Enable/Disable uplink Temperature probe ID ==
1139 1139  
1140 1140  
... ... @@ -1165,8 +1165,6 @@
1165 1165  * **0xA800**  **~-~->** AT+PID=0
1166 1166  * **0xA801**     **~-~->** AT+PID=1
1167 1167  
1168 -
1169 -
1170 1170  == 4.4 Set Password ==
1171 1171  
1172 1172  
... ... @@ -1183,6 +1183,7 @@
1183 1183  No downlink command for this feature.
1184 1184  
1185 1185  
1177 +
1186 1186  == 4.5 Quit AT Command ==
1187 1187  
1188 1188  
... ... @@ -1199,6 +1199,7 @@
1199 1199  No downlink command for this feature.
1200 1200  
1201 1201  
1194 +
1202 1202  == 4.6 Set to sleep mode ==
1203 1203  
1204 1204  
... ... @@ -1216,8 +1216,6 @@
1216 1216  
1217 1217  * There is no downlink command to set to Sleep mode.
1218 1218  
1219 -
1220 -
1221 1221  == 4.7 Set system time ==
1222 1222  
1223 1223  
... ... @@ -1234,6 +1234,7 @@
1234 1234  0x306007806000  ~/~/  Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1235 1235  
1236 1236  
1228 +
1237 1237  == 4.8 Set Time Sync Mode ==
1238 1238  
1239 1239  
... ... @@ -1258,6 +1258,7 @@
1258 1258  0x28 00  ~/~/  Same As AT+SYNCMOD=0
1259 1259  
1260 1260  
1253 +
1261 1261  == 4.9 Set Time Sync Interval ==
1262 1262  
1263 1263  
... ... @@ -1274,6 +1274,7 @@
1274 1274  **0x29 0A**  ~/~/ Same as AT+SYNCTDC=0x0A
1275 1275  
1276 1276  
1270 +
1277 1277  == 4.10 Print data entries base on page. ==
1278 1278  
1279 1279  
... ... @@ -1290,6 +1290,7 @@
1290 1290  No downlink commands for feature
1291 1291  
1292 1292  
1287 +
1293 1293  == 4.11 Print last few data entries. ==
1294 1294  
1295 1295  
... ... @@ -1306,6 +1306,7 @@
1306 1306  No downlink commands for feature
1307 1307  
1308 1308  
1304 +
1309 1309  == 4.12 Clear Flash Record ==
1310 1310  
1311 1311  
... ... @@ -1321,8 +1321,6 @@
1321 1321  
1322 1322  * Example: 0xA301  ~/~/  Same as AT+CLRDTA
1323 1323  
1324 -
1325 -
1326 1326  == 4.13 Auto Send None-ACK messages ==
1327 1327  
1328 1328  
... ... @@ -1341,11 +1341,9 @@
1341 1341  
1342 1342  * Example: 0x3401  ~/~/  Same as AT+PNACKMD=1
1343 1343  
1338 +== 4.14 Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm ==
1344 1344  
1345 1345  
1346 -== 4.14 Modified WMOD command for external sensor TMP117 or DS18B20 temperature alarm(Since firmware 1.3.0) ==
1347 -
1348 -
1349 1349  Feature: Set internal and external temperature sensor alarms.
1350 1350  
1351 1351  (% border="1" cellspacing="4" style="background-color:#ffffcc; color:green; width:500px" %)
... ... @@ -1388,32 +1388,39 @@
1388 1388  
1389 1389  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 )
1390 1390  
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 -
1393 1393  0xA5 02 0A 02 ~-~- AT+WMOD=2,10,2  (AT+WMOD = second byte, third byte, fourth byte)
1394 1394  
1395 1395  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.
1396 1396  
1397 1397  
1388 +
1398 1398  = 5. Battery & How to replace =
1399 1399  
1391 +
1400 1400  == 5.1 Battery Type ==
1401 1401  
1402 1402  
1403 1403  (((
1396 +(((
1404 1404  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.
1405 1405  )))
1399 +)))
1406 1406  
1407 1407  (((
1408 -The discharge curve is not linear so can't simply use percentage to show the battery level. Below is the battery performance.
1402 +
1403 +)))
1409 1409  
1410 -
1405 +(((
1406 +(((
1407 +The discharge curve is not linear so can't simply use percentage to show the battery level. Below is the battery performance.
1411 1411  [[image:image-20220515075034-1.png||_mstalt="428961" _mstvisible="4" height="208" width="644"]]
1412 1412  )))
1410 +)))
1413 1413  
1414 1414  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1415 1415  
1416 1416  
1415 +
1417 1417  == 5.2 Replace Battery ==
1418 1418  
1419 1419  
... ... @@ -1422,6 +1422,7 @@
1422 1422  [[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"]]
1423 1423  
1424 1424  
1424 +
1425 1425  == 5.3 Battery Life Analyze ==
1426 1426  
1427 1427  
... ... @@ -1430,6 +1430,9 @@
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 +)))
1433 1433  
1434 1434  (((
1435 1435  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]]
... ... @@ -1436,8 +1436,10 @@
1436 1436  )))
1437 1437  
1438 1438  
1442 +
1439 1439  = 6. FAQ =
1440 1440  
1445 +
1441 1441  == 6.1 How to use AT Command? ==
1442 1442  
1443 1443  
... ... @@ -1658,6 +1658,7 @@
1658 1658  AT+PID:  Get or set the PID
1659 1659  
1660 1660  
1666 +
1661 1661  == 6.2 Where to use AT commands and Downlink commands ==
1662 1662  
1663 1663  
... ... @@ -1697,6 +1697,7 @@
1697 1697  [[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
1698 1698  
1699 1699  
1706 +
1700 1700  == 6.3 How to change the uplink interval? ==
1701 1701  
1702 1702  
... ... @@ -1703,6 +1703,7 @@
1703 1703  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);"]]
1704 1704  
1705 1705  
1713 +
1706 1706  == 6.4 How to use TTL-USB to connect a PC to input AT commands? ==
1707 1707  
1708 1708  
... ... @@ -1721,6 +1721,7 @@
1721 1721  [[image:image-20220615154519-3.png||height="672" width="807"]]
1722 1722  
1723 1723  
1732 +
1724 1724  == 6.5 How to use TTL-USB to connect PC to upgrade firmware? ==
1725 1725  
1726 1726  
... ... @@ -1763,6 +1763,7 @@
1763 1763  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
1764 1764  
1765 1765  
1775 +
1766 1766  == 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
1767 1767  
1768 1768  
... ... @@ -1782,6 +1782,7 @@
1782 1782  [[image:image-20220615154519-3.png||height="672" width="807"]]
1783 1783  
1784 1784  
1795 +
1785 1785  == 6.7 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
1786 1786  
1787 1787  
... ... @@ -1803,7 +1803,7 @@
1803 1803  [[image:image-20220623113959-5.png||height="528" width="397"]]
1804 1804  
1805 1805  (% _msthash="506146" _msttexthash="52173160" %)
1806 -Connect A8 and GND with Dupont wire for a while and then separate,enter reset mode
1817 +Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1807 1807  
1808 1808  
1809 1809  
... ... @@ -1820,9 +1820,10 @@
1820 1820  [[image:image-20220620160723-8.png]]
1821 1821  
1822 1822  
1823 -Finally,Disconnect 3.3v,Connect A8 and GND with Dupont wire for a while and then separate,exit reset mode
1834 +Finally,restart reset device again
1824 1824  
1825 1825  
1837 +
1826 1826  = 7. Order Info =
1827 1827  
1828 1828  
... ... @@ -1843,8 +1843,6 @@
1843 1843  
1844 1844  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1845 1845  
1846 -
1847 -
1848 1848  = 8. Packing Info =
1849 1849  
1850 1850  
... ... @@ -1855,18 +1855,14 @@
1855 1855  
1856 1856  **Dimension and weight**:
1857 1857  
1858 -* Device Size:  10 x 10 x 3.5 mm
1868 +* Device Size:  10 x 10 x 3.5 cm
1859 1859  * Device Weight: 120.5g
1860 1860  
1861 -
1862 -
1863 1863  = 9. Reference material =
1864 1864  
1865 1865  
1866 1866  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1867 1867  
1868 -
1869 -
1870 1870  = 10. FCC Warning =
1871 1871  
1872 1872