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66	66	= 1. Introduction =
67	67
68	68	== 1.1 ​What is LoRaWAN Soil pH Sensor ==
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109	109	* 8500mAh Battery for long term use
110	110
111	111
112		-
113		-
114	114	== 1.3 Probe Specification ==
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116	116
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132	132	* Length: 3.5 meters
133	133
134	134
135		-
136	136	== 1.4 ​Applications ==
137	137
138	138	* Smart Agriculture
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140	140
141		-
142		-
143	143	== 1.5 Pin mapping and power on ==
144	144
145	145	[[image:1654592472094-134.png]]
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337	337	|0x02|Reply configures info|[[Configure Info Payload>>path:#H3.4GetFirmwareVersionInfo]]
338	338	|0x03|Reply Calibration Info|[[Calibration Payload>>path:#H2.7Calibration]]
339	339
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	340	+
340	340	=== 2.3.7 Decode payload in The Things Network ===
341	341
342	342	While using TTN network, you can add the payload format to decode the payload.
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549	549
550	550
551	551
552		-
553	553	== 2.8 Frequency Plans ==
554	554
555	555	(((
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746	746	* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
747	747	* Use the Join successful sub-band if the server doesn’t include sub-band info in the OTAA Join Accept message ( TTN v2 doesn't include)
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	749	+
749	749	=== 2.8.5 AS920-923 & AS923-925 (AS923) ===
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751	751	(((
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970	970	* Blink once when device transmit a packet.
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972	972
973		-
974		-
975	975	== 2.10 ​Firmware Change Log ==
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1046	1046
1047		-(((
1048	1048	(% style="color:#037691" %)**Downlink Command: 0x01**
1049		-)))
1050	1050
1051		-(((
1052	1052	Format: Command Code (0x01) followed by 3 bytes time value.
1053		-)))
1054	1054
1055	1055	(((
1056	1056	If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1057	1057	)))
1058	1058
1059		-* (((
1060		-Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1061		-)))
1062		-* (((
1063		-Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
	1054	+* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
	1055	+* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
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1065	1065
1066		-
1067		-)))
1068	1068
1069	1069	== 3.2 Set Interrupt Mode ==
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1075	1075	[[image:image-20220607171716-9.png]]
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1078		-(((
1079	1079	(% style="color:#037691" %)**Downlink Command: 0x06**
1080		-)))
1081	1081
1082		-(((
1083	1083	Format: Command Code (0x06) followed by 3 bytes.
1084		-)))
1085	1085
1086		-(((
1087	1087	This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
1088		-)))
1089	1089
1090		-* (((
1091		-Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1092		-)))
1093		-* (((
1094		-Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1095		-)))
	1074	+* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
	1075	+* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
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1097		-(((
1098		-
1099		-)))
1100		-
1101		-
1102		-
1103	1103	== 3.3 Calibrate Sensor ==
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1105	1105	Detail See [[Calibration Guide>>path:#H2.7Calibration]] for the user of 0x13 and 0x14 downlink commands
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1274	1274
1275	1275	=== ​4.3.2 Replace the battery ===
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1277		-(((
1278	1278	You can change the battery in the LSPH01.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won’t be voltage drop between battery and main board.
1279		-)))
1280	1280
1281		-(((
1282	1282	The default battery pack of LSPH01 includes a ER26500 plus super capacitor. If user can’t find this pack locally, they can find ER26500 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)
1283		-)))
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1301	1301	(% style="background-color:yellow" %)** USB TTL RXD  <~-~-~-~-> UART_TXD**
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1304		-(((
1305	1305	In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LSPH01. LSPH01 will output system info once power on as below:
1306		-)))
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1309	1309	[[image:1654593712276-618.png]]
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1311	1311	Valid AT Command please check [[Configure Device>>path:#H3.ConfigureLSPH01viaATCommandorLoRaWANDownlink]].
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1314	1314	= 6. FAQ =
1315	1315
1316	1316	== 6.1 How to change the LoRa Frequency Bands/Region ==
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1319	1319	When downloading the images, choose the required image file for download. ​
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1322	1322	= 7. Trouble Shooting =
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1324	1324	== 7.1 AT Commands input doesn’t work ==
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1326	1326	In the case if user can see the console output but can’t type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn’t send (% style="color:green" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string.
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1329	1329	= 8. Order Info =
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1331	1331	Part Number: (% style="color:blue" %)**LSPH01-XX**
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1342	1342	* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
1343	1343	* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
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1345		-
1346	1346	= 9. ​Packing Info =
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1357	1357	* Package Size / pcs : cm
1358	1358	* Weight / pcs : g
1359	1359
1360		-
1361	1361	= 10. ​Support =
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1363	1363	* Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.