Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 165.1 >
edited by Dilisi S
on 2024/11/06 22:47
To version < 163.1 >
edited by Dilisi S
on 2024/11/06 04:29
>
Change comment: minor edits set 1

Summary

Details

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Content
... ... @@ -40,7 +40,7 @@
40 40  
41 41  * If there is public LoRaWAN network coverage in the area where you plan to install the device (e.g., The Things Network), you can select a network and register the LT-22222-L I/O controller with it.
42 42  * If there is no public LoRaWAN coverage in your area, you can set up a LoRaWAN gateway, or multiple gateways, and connect them to a LoRaWAN network server to create adequate coverage. Then, register the LT-22222-L I/O controller with this network.
43 -* Setup your own private LoRaWAN network.
43 +* Set up your own private LoRaWAN network.
44 44  
45 45  > You can use a LoRaWAN gateway, such as the Dragino LG308, to expand or create LoRaWAN coverage in your area.
46 46  )))
... ... @@ -169,7 +169,7 @@
169 169  |(% style="width:296px" %)DO2|(% style="width:334px" %)Digital Output 2
170 170  |(% style="width:296px" %)DO1|(% style="width:334px" %)Digital Output 1
171 171  
172 -== 2.3 Powering the LT-22222-L ==
172 +== 2.3 Powering the LT-22222-L  ==
173 173  
174 174  The LT-22222-L I/O Controller can be powered by a 7–24V DC power source. Connect the power supply’s positive wire to the VIN and the negative wire to the GND screw terminals. The power indicator (PWR) LED will turn on when the device is properly powered.
175 175  
... ... @@ -593,6 +593,7 @@
593 593  1. Periodically uplink (Based on TDC time). The payload is the same as in normal mode (MOD=1 for the commands above). These are (% style="color:#4f81bd" %)**unconfirmed**(%%) uplinks.
594 594  1. Trigger uplink when the trigger condition is met. LT will send two packets in this case. The first uplink uses the payload specified in trigger mode (MOD=6). The second packet uses the normal mode payload (MOD=1 as set above). Both are (% style="color:#4f81bd" %)**CONFIRMED uplinks.**
595 595  
596 +
596 596  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
597 597  
598 598  (% style="color:#4f81bd" %)**Trigger based on voltage**:
... ... @@ -602,9 +602,9 @@
602 602  
603 603  **Example:**
604 604  
605 -AT+AVLIM=3000,6000,0,2000   (triggers an uplink if AVI1 voltage is lower than 3V or higher than 6V, or if AV2 voltage is higher than 2V)
606 +AT+AVLIM=3000,6000,0,2000   (If AVI1 voltage lower than 3v or higher than 6v. or AV2 voltage is higher than 2v, LT will trigger Uplink)
606 606  
607 -AT+AVLIM=5000,0,0,0   (triggers an uplink if AVI1 voltage lower than 5V. Use 0 for parameters that are not in use)
608 +AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
608 608  
609 609  
610 610  (% style="color:#4f81bd" %)**Trigger based on current**:
... ... @@ -614,12 +614,12 @@
614 614  
615 615  **Example:**
616 616  
617 -AT+ACLIM=10000,15000,0,0   (triggers an uplink if ACI1 voltage is lower than 10mA or higher than 15mA)
618 +AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
618 618  
619 619  
620 -(% style="color:#4f81bd" %)**Trigger based on DI status**:
621 +(% style="color:#4f81bd" %)**Trigger base on DI status**:
621 621  
622 -DI status triggers Flag.
623 +DI status trigger Flag.
623 623  
624 624  Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >
625 625  
... ... @@ -629,38 +629,39 @@
629 629  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
630 630  
631 631  
632 -(% style="color:#037691" %)**LoRaWAN Downlink Commands for Setting the Trigger Conditions:**
633 +(% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
633 633  
634 634  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
635 635  
636 636  Format: AA xx yy1 yy1 yy2 yy2 yy3 yy3 yy4 yy4
637 637  
638 - AA: Type Code for this downlink Command:
639 + AA: Code for this downlink Command:
639 639  
640 - xx: **0**: Limit for AV1 and AV2; **1**: limit for AC1 and AC2; **2**: DI1and DI2 trigger enable/disable.
641 + xx: 0: Limit for AV1 and AV2;  1: limit for AC1 and AC2 ; 2 DI1, DI2 trigger enable/disable
641 641  
642 - yy1 yy1: AC1 or AV1 LOW limit or DI1/DI2 trigger status.
643 + yy1 yy1: AC1 or AV1 low limit or DI1/DI2 trigger status.
643 643  
644 - yy2 yy2: AC1 or AV1 HIGH limit.
645 + yy2 yy2: AC1 or AV1 high limit.
645 645  
646 - yy3 yy3: AC2 or AV2 LOW limit.
647 + yy3 yy3: AC2 or AV2 low limit.
647 647  
648 - Yy4 yy4: AC2 or AV2 HIGH limit.
649 + Yy4 yy4: AC2 or AV2 high limit.
649 649  
650 650  
651 -**Example 1**: AA 00 13 88 00 00 00 00 00 00
652 +**Example1**: AA 00 13 88 00 00 00 00 00 00
652 652  
653 -Same as AT+AVLIM=5000,0,0,0 (triggers an uplink if AVI1 voltage is lower than 5V. Use 0s for parameters that are not in use)
654 +Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
654 654  
655 655  
656 -**Example 2**: AA 02 01 00
657 +**Example2**: AA 02 01 00
657 657  
658 -Same as AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger)
659 +Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
659 659  
660 660  
662 +
661 661  (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:**
662 662  
663 -MOD6 Payload: total of 11 bytes
665 +MOD6 Payload : total 11 bytes payload
664 664  
665 665  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
666 666  |(% style="background-color:#4f81bd; color:white; width:60px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:49px" %)**6**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:50px" %)**1**
... ... @@ -674,10 +674,10 @@
674 674  MOD(6)
675 675  )))
676 676  
677 -(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if the trigger is set for this part. Totally 1 byte as below
679 +(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
678 678  
679 679  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
680 -|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
682 +|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
681 681  |(((
682 682  AV1_LOW
683 683  )))|(((
... ... @@ -696,17 +696,17 @@
696 696  AC2_HIGH
697 697  )))
698 698  
699 -* Each bit shows if the corresponding trigger has been configured.
701 +* Each bits shows if the corresponding trigger has been configured.
700 700  
701 701  **Example:**
702 702  
703 -10100000: Means the system has configure to use the trigger: AV1_LOW and AV2_LOW
705 +10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
704 704  
705 705  
706 -(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1 byte as below
708 +(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
707 707  
708 708  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
709 -|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
711 +|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
710 710  |(((
711 711  AV1_LOW
712 712  )))|(((
... ... @@ -725,11 +725,11 @@
725 725  AC2_HIGH
726 726  )))
727 727  
728 -* Each bit shows which status has been triggered on this uplink.
730 +* Each bits shows which status has been trigger on this uplink.
729 729  
730 730  **Example:**
731 731  
732 -10000000: Means this uplink is triggered by AV1_LOW. That means the voltage is too low.
734 +10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
733 733  
734 734  
735 735  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
... ... @@ -738,7 +738,7 @@
738 738  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
739 739  |N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
740 740  
741 -* Each bits shows which status has been triggered on this uplink.
743 +* Each bits shows which status has been trigger on this uplink.
742 742  
743 743  **Example:**
744 744  
... ... @@ -795,37 +795,33 @@
795 795  ==== 3.4.2.1 Set Transmit Interval ====
796 796  
797 797  
798 -Sets the uplink interval of the device.
800 +Set device uplink interval.
799 799  
800 -* (% style="color:#037691" %)**AT command:**
802 +* (% style="color:#037691" %)**AT Command:**
801 801  
802 -(% style="color:blue" %)**AT+TDC=N**
804 +(% style="color:blue" %)**AT+TDC=N **
803 803  
804 -where N is the time in milliseconds.
805 805  
806 -**Example: **AT+TDC=30000. This will set the uplink interval to 30 seconds
807 +**Example: **AT+TDC=30000. Means set interval to 30 seconds
807 807  
808 808  
809 -* (% style="color:#037691" %)**Downlink payload (prefix 0x01):**
810 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
810 810  
811 811  (% style="color:blue" %)**0x01 aa bb cc  **(%%)** ~/~/ Same as AT+TDC=0x(aa bb cc)**
812 812  
813 813  
814 814  
815 -==== 3.4.2.2 Set the Work Mode (AT+MOD) ====
816 +==== 3.4.2.2 Set Work Mode (AT+MOD) ====
816 816  
817 817  
818 -Sets the work mode.
819 +Set work mode.
819 819  
820 -* (% style="color:#037691" %)**AT command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
821 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
821 821  
822 -Where N is the work mode.
823 +**Example**: AT+MOD=2. Set work mode to Double DI counting mode
823 823  
824 -**Example**: AT+MOD=2. This will set the work mode to Double DI counting mode.
825 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
825 825  
826 -
827 -* (% style="color:#037691" %)**Downlink payload (prefix 0x0A):**
828 -
829 829  (% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
830 830  
831 831  
... ... @@ -833,12 +833,10 @@
833 833  ==== 3.4.2.3 Poll an uplink ====
834 834  
835 835  
836 -Asks the device to send an uplink.
834 +* (% style="color:#037691" %)**AT Command:**(%%) There is no AT Command to poll uplink
837 837  
838 -* (% style="color:#037691" %)**AT command:**(%%) There is no AT Command to poll uplink
836 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
839 839  
840 -* (% style="color:#037691" %)**Downlink payload (prefix 0x08):**
841 -
842 842  (% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
843 843  
844 844  **Example**: 0x08FF, ask device to send an Uplink
... ... @@ -845,16 +845,16 @@
845 845  
846 846  
847 847  
848 -==== 3.4.2.4 Enable/Disable Trigger Mode ====
844 +==== 3.4.2.4 Enable Trigger Mode ====
849 849  
850 850  
851 -Enable or disable the trigger mode (see also [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]).
847 +Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
852 852  
853 853  * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
854 854  
855 -(% style="color:red" %)**1:** (%%)Enable the trigger mode
851 +(% style="color:red" %)**1:** (%%)Enable Trigger Mode
856 856  
857 -(% style="color:red" %)**0: **(%%)Disable the trigger mode
853 +(% style="color:red" %)**0: **(%%)Disable Trigger Mode
858 858  
859 859  
860 860  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
... ... @@ -866,7 +866,7 @@
866 866  ==== 3.4.2.5 Poll trigger settings ====
867 867  
868 868  
869 -Polls the trigger settings
865 +Poll trigger settings
870 870  
871 871  * (% style="color:#037691" %)**AT Command:**
872 872  
... ... @@ -874,7 +874,7 @@
874 874  
875 875  * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
876 876  
877 -(% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll the trigger settings. Device will uplink trigger settings once receive this command
873 +(% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
878 878  
879 879  
880 880  
... ... @@ -881,11 +881,11 @@
881 881  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
882 882  
883 883  
884 -Enable or Disable DI1/DI2/DI2 as trigger,
880 +Enable Disable DI1/DI2/DI2 as trigger,
885 885  
886 886  * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
887 887  
888 -**Example:** AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger)
884 +**Example:** AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
889 889  
890 890  
891 891  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
... ... @@ -917,15 +917,15 @@
917 917  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
918 918  
919 919  
920 -Sets DI2 trigger.
916 +Set DI2 trigger.
921 921  
922 922  * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b**
923 923  
924 -(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge (for MOD=1).
920 +(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
925 925  
926 926  (% style="color:red" %)**b :** (%%)delay timing.
927 927  
928 -**Example:** AT+TRIG2=0,100 (set DI1 port to trigger on low level, valid signal is 100ms )
924 +**Example:** AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
929 929  
930 930  
931 931  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
... ... @@ -963,7 +963,7 @@
963 963  ==== 3.4.2.11 Trigger – Set minimum interval ====
964 964  
965 965  
966 -Sets AV and AC trigger minimum interval. Device won't response to the second trigger within this set time after the first trigger.
962 +Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
967 967  
968 968  * (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+ATDC=5        ** ~/~/ (%%)Device won't response the second trigger within 5 minute after the first trigger.
969 969  
... ... @@ -1111,7 +1111,7 @@
1111 1111  )))
1112 1112  
1113 1113  (((
1114 -00: Closed ,  01: Open , 11: No action
1110 +00: Close ,  01: Open , 11: No action
1115 1115  
1116 1116  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1117 1117  |(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**RO1**|(% style="background-color:#4f81bd; color:white" %)**RO2**
... ... @@ -1233,7 +1233,7 @@
1233 1233  
1234 1234  
1235 1235  
1236 -==== 3.4.2.19 Counting ~-~- Change counting mode to save time ====
1232 +==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1237 1237  
1238 1238  
1239 1239  * (% style="color:#037691" %)**AT Command:**
... ... @@ -2011,10 +2011,10 @@
2011 2011  
2012 2012  = 5. Case Study =
2013 2013  
2014 -== 5.1 Counting how many objects pass through the flow Line ==
2010 +== 5.1 Counting how many objects pass in Flow Line ==
2015 2015  
2016 2016  
2017 -Reference Link: [[How to set up to setup counting for objects passing through the flow line>>How to set up to count objects pass in flow line]]?
2013 +Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]?
2018 2018  
2019 2019  
2020 2020  = 6. FAQ =
... ... @@ -2022,26 +2022,26 @@
2022 2022  == 6.1 How to upgrade the image? ==
2023 2023  
2024 2024  
2025 -The LT-22222-L I/O Controller is shipped with a 3.5mm cable, which is used to upload an image to LT in order to:
2021 +The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
2026 2026  
2027 -* Support new features.
2028 -* Fix bugs.
2023 +* Support new features
2024 +* For bug fix
2029 2029  * Change LoRaWAN bands.
2030 2030  
2031 -Below is the hardware connection setup for uploading an image to the LT:
2027 +Below is the hardware connection for how to upload an image to the LT:
2032 2032  
2033 2033  [[image:1653359603330-121.png]]
2034 2034  
2035 2035  
2036 2036  (((
2037 -(% style="color:#0000ff" %)**Step 1**(%%)**:** Download the F[[lash Loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
2038 -(% style="color:#0000ff" %)**Step 2**(%%)**:** Download the [[LT Image files>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACrbrDN0AqLHbBat0ViWx5Da/LT-22222-L/Firmware?dl=0&subfolder_nav_tracking=1]].
2039 -(% style="color:#0000ff" %)**Step 3**(%%)**:** Open the Flash Loader and choose the correct COM port to update.
2033 +(% style="color:blue" %)**Step1**(%%)**:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
2034 +(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACrbrDN0AqLHbBat0ViWx5Da/LT-22222-L/Firmware?dl=0&subfolder_nav_tracking=1]].
2035 +(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
2040 2040  
2041 2041  
2042 2042  (((
2043 2043  (% style="color:blue" %)**For LT-22222-L**(%%):
2044 -Hold down the PRO button, then momentarily press the RST reset button. The (% style="color:red" %)**DO1 LED**(%%) will change from OFF to ON. When the (% style="color:red" %)**DO1 LED**(%%) is ON, it indicates that the device is in download mode.
2040 +Hold down the PRO button and then momentarily press the RST reset button and the (% style="color:red" %)**DO1 led**(%%) will change from OFF to ON. When (% style="color:red" %)**DO1 LED**(%%) is on, it means the device is in download mode.
2045 2045  )))
2046 2046  
2047 2047  
... ... @@ -2056,7 +2056,7 @@
2056 2056  [[image:image-20220524104033-15.png]]
2057 2057  
2058 2058  
2059 -(% style="color:red" %)**Note**(%%): If you have lost the programming cable, you can make one from a 3.5mm cable. The pin mapping is as follows:
2055 +(% style="color:red" %)**Notice**(%%): In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
2060 2060  
2061 2061  [[image:1653360054704-518.png||height="186" width="745"]]
2062 2062  
... ... @@ -2070,13 +2070,13 @@
2070 2070  )))
2071 2071  
2072 2072  (((
2073 -You can follow the introductions on [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When downloading, select the required image file.
2069 +User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
2074 2074  )))
2075 2075  
2076 2076  (((
2077 2077  
2078 2078  
2079 -== 6.3 How to set up LT to work with a Single Channel Gateway, such as LG01/LG02? ==
2075 +== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2080 2080  
2081 2081  
2082 2082  )))
... ... @@ -2083,13 +2083,13 @@
2083 2083  
2084 2084  (((
2085 2085  (((
2086 -In this case, you need to set the LT-33222-L to work in ABP mode and transmit on only one frequency.
2082 +In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
2087 2087  )))
2088 2088  )))
2089 2089  
2090 2090  (((
2091 2091  (((
2092 -Assume you have an LG02 working on the frequency 868400000. Below are the steps.
2088 +Assume we have a LG02 working in the frequency 868400000 now , below is the step.
2093 2093  
2094 2094  
2095 2095  )))
... ... @@ -2096,7 +2096,7 @@
2096 2096  )))
2097 2097  
2098 2098  (((
2099 -(% style="color:#0000ff" %)**Step 1**(%%):  Log in to The Things Stack SANDBOX, create an ABP device in the application, and input the Network Session key (NwkSKey), App session key (AppSKey) of the device.
2095 +(% style="color:blue" %)**Step1**(%%):  Log in TTN, Create an ABP device in the application and input the network session key (NETSKEY), app session key (APPSKEY) from the device.
2100 2100  
2101 2101  
2102 2102  )))
... ... @@ -2153,7 +2153,7 @@
2153 2153  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/]]
2154 2154  
2155 2155  
2156 -== 6.5 Can I see the counting event in Serial? ==
2152 +== 6.5 Can I see counting event in Serial? ==
2157 2157  
2158 2158  
2159 2159  (((
... ... @@ -2160,10 +2160,10 @@
2160 2160  User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn't support AT+DEBUG. User can update to latest firmware first.
2161 2161  
2162 2162  
2163 -== 6.6 Can I use point-to-point communication with LT-22222-L? ==
2159 +== 6.6 Can i use point to point communication for LT-22222-L? ==
2164 2164  
2165 2165  
2166 -Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]. this is [[firmware>>https://github.com/dragino/LT-22222-L/releases]].
2162 +Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]  ，this is [[firmware>>https://github.com/dragino/LT-22222-L/releases]].
2167 2167  
2168 2168  
2169 2169  )))

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