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Last modified by Xiaoling on 2025/04/23 15:57
From version 33.1
edited by Xiaoling
on 2022/06/02 09:51
Change comment: Uploaded new attachment "1654134704555-320.png", version {1}
To version 33.7
edited by Xiaoling
on 2022/06/02 10:04
Change comment: There is no comment for this version

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Content
... ... @@ -1012,52 +1012,57 @@
1012 1012  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
1013 1013  
1014 1014  
1015 -* AT Command:
1015 +* **AT Command:**
1016 1016  
1017 -**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
1017 +(% style="color:#037691" %)**AT+CMDEAR=mm,nn** (%%) mm: start position of erase ,nn: stop position of erase Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
1018 1018  
1019 -Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
1020 -
1021 1021  Example screen shot after clear all RS485 commands. 
1022 1022  
1023 1023  
1024 -
1025 1025  The uplink screen shot is:
1026 1026  
1027 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
1024 +[[image:1654134704555-320.png]]
1028 1028  
1029 1029  
1030 -* Downlink Payload:
1027 +* **Downlink Payload:**
1031 1031  
1032 -0x09 aa bb same as AT+CMDEAR=aa,bb
1029 +**0x09 aa bb** same as AT+CMDEAR=aa,bb
1033 1033  
1034 1034  
1035 -==== Set Serial Communication Parameters ====
1036 1036  
1033 +==== **Set Serial Communication Parameters** ====
1034 +
1037 1037  Set the Rs485 serial communication parameters:
1038 1038  
1039 -* AT Command:
1037 +* **AT Command:**
1040 1040  
1041 1041  Set Baud Rate:
1042 1042  
1043 -AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1041 +(% class="box infomessage" %)
1042 +(((
1043 +**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1044 +)))
1044 1044  
1046 +Set UART Parity
1045 1045  
1046 -Set UART parity
1048 +(% class="box infomessage" %)
1049 +(((
1050 +**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1051 +)))
1047 1047  
1048 -AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1049 -
1050 -
1051 1051  Set STOPBIT
1052 1052  
1053 -AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1055 +(% class="box infomessage" %)
1056 +(((
1057 +**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1058 +)))
1054 1054  
1055 1055  
1056 -* Downlink Payload:
1061 +* **Downlink Payload:**
1057 1057  
1058 -A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
1063 +**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1059 1059  
1060 -Example:
1065 +**Example:**
1061 1061  
1062 1062  * A7 01 00 60   same as AT+BAUDR=9600
1063 1063  * A7 01 04 80  same as AT+BAUDR=115200
... ... @@ -1067,81 +1067,76 @@
1067 1067  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1068 1068  
1069 1069  
1070 -==== Control output power duration ====
1071 1071  
1076 +==== **Control output power duration** ====
1077 +
1072 1072  User can set the output power duration before each sampling.
1073 1073  
1074 -* AT Command:
1080 +* **AT Command:**
1075 1075  
1076 -Example:
1082 +**Example:**
1077 1077  
1078 -AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
1084 +**AT+3V3T=1000**  ~/~/ 3V3 output power will open 1s before each sampling.
1079 1079  
1080 -AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
1086 +**AT+5VT=1000**  ~/~/ +5V output power will open 1s before each sampling.
1081 1081  
1082 1082  
1083 -* LoRaWAN Downlink Command:
1089 +* **LoRaWAN Downlink Command:**
1084 1084  
1085 -07 01 aa bb  Same as AT+5VT=(aa bb)
1091 +**07 01 aa bb**  Same as AT+5VT=(aa bb)
1086 1086  
1087 -07 02 aa bb  Same as AT+3V3T=(aa bb)
1093 +**07 02 aa bb**  Same as AT+3V3T=(aa bb)
1088 1088  
1089 1089  
1096 +== 3.6 Buttons ==
1090 1090  
1098 +(% border="1" style="background-color:#ffffcc; color:green; width:233px" %)
1099 +|=(% style="width: 89px;" %)**Button**|=(% style="width: 141px;" %)**Feature**
1100 +|(% style="width:89px" %)**RST**|(% style="width:141px" %)Reboot RS485-BL
1091 1091  
1092 -1.
1093 -11. Buttons
1102 +== 3.7 +3V3 Output ==
1094 1094  
1095 -|**Button**|**Feature**
1096 -|**RST**|Reboot RS485-BL
1097 -
1098 -1.
1099 -11. +3V3 Output
1100 -
1101 1101  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1102 1102  
1103 1103  The +3V3 output will be valid for every sampling. RS485-BL will enable +3V3 output before all sampling and disable the +3V3 after all sampling. 
1104 1104  
1105 -
1106 1106  The +3V3 output time can be controlled by AT Command.
1107 1107  
1108 -**AT+3V3T=1000**
1109 1109  
1110 -Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1111 +(% style="color:#037691" %)**AT+3V3T=1000**
1111 1111  
1112 1112  
1114 +Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1115 +
1113 1113  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1114 1114  
1115 1115  
1116 -1.
1117 -11. +5V Output
1119 +== 3.8 +5V Output ==
1118 1118  
1119 1119  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1120 1120  
1121 1121  The +5V output will be valid for every sampling. RS485-BL will enable +5V output before all sampling and disable the +5v after all sampling. 
1122 1122  
1123 -
1124 1124  The 5V output time can be controlled by AT Command.
1125 1125  
1126 -**AT+5VT=1000**
1127 1127  
1128 -Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1128 +(% style="color:#037691" %)**AT+5VT=1000**
1129 1129  
1130 1130  
1131 +Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1132 +
1131 1131  By default, the AT+5VT=0. If the external sensor which require 5v and require more time to get stable state, user can use this command to increase the power ON duration for this sensor.
1132 1132  
1133 1133  
1136 +== 3.9 LEDs ==
1134 1134  
1138 +(% border="1" style="background-color:#ffffcc; color:green; width:332px" %)
1139 +|=**LEDs**|=(% style="width: 274px;" %)**Feature**
1140 +|**LED1**|(% style="width:274px" %)Blink when device transmit a packet.
1135 1135  
1136 -1.
1137 -11. LEDs
1138 1138  
1139 -|**LEDs**|**Feature**
1140 -|**LED1**|Blink when device transmit a packet.
1143 +== 3.10 Switch Jumper ==
1141 1141  
1142 -1.
1143 -11. Switch Jumper
1144 -
1145 1145  |**Switch Jumper**|**Feature**
1146 1146  |**SW1**|(((
1147 1147  ISP position: Upgrade firmware via UART
... ... @@ -1185,7 +1185,7 @@
1185 1185  
1186 1186  
1187 1187  
1188 -1.
1188 +1.
1189 1189  11. Common AT Command Sequence
1190 1190  111. Multi-channel ABP mode (Use with SX1301/LG308)
1191 1191  
... ... @@ -1204,8 +1204,8 @@
1204 1204  
1205 1205  ATZ
1206 1206  
1207 -1.
1208 -11.
1207 +1.
1208 +11.
1209 1209  111. Single-channel ABP mode (Use with LG01/LG02)
1210 1210  
1211 1211  AT+FDR   Reset Parameters to Factory Default, Keys Reserve
... ... @@ -1280,7 +1280,7 @@
1280 1280  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image035.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image036.png]]
1281 1281  
1282 1282  
1283 -1.
1283 +1.
1284 1284  11. How to change the LoRa Frequency Bands/Region?
1285 1285  
1286 1286  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
... ... @@ -1287,7 +1287,7 @@
1287 1287  
1288 1288  
1289 1289  
1290 -1.
1290 +1.
1291 1291  11. How many RS485-Slave can RS485-BL connects?
1292 1292  
1293 1293  The RS485-BL can support max 32 RS485 devices. Each uplink command of RS485-BL can support max 16 different RS485 command. So RS485-BL can support max 16 RS485 devices pre-program in the device for uplink. For other devices no pre-program, user can use the [[downlink message (type code 0xA8) to poll their info>>path:#downlink_A8]].
... ... @@ -1304,7 +1304,7 @@
1304 1304  
1305 1305  
1306 1306  
1307 -1.
1307 +1.
1308 1308  11. Why I can’t join TTN V3 in US915 /AU915 bands?
1309 1309  
1310 1310  It might about the channels mapping. Please see for detail.