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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	== 1.5 Pin mapping and power on ==
141	141
142	142	[[image:1654592472094-134.png]]
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334	334	|0x02|Reply configures info|[[Configure Info Payload>>path:#H3.4GetFirmwareVersionInfo]]
335	335	|0x03|Reply Calibration Info|[[Calibration Payload>>path:#H2.7Calibration]]
336	336
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	340	+
337	337	=== 2.3.7 Decode payload in The Things Network ===
338	338
339	339	While using TTN network, you can add the payload format to decode the payload.
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546	546
547	547
548	548
549		-
550	550	== 2.8 Frequency Plans ==
551	551
552	552	(((
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743	743	* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
744	744	* 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	+
746	746	=== 2.8.5 AS920-923 & AS923-925 (AS923) ===
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748	748	(((
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967	967	* Blink once when device transmit a packet.
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969	969
970		-
971		-
972	972	== 2.10 ​Firmware Change Log ==
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1044		-(((
1045	1045	(% style="color:#037691" %)**Downlink Command: 0x01**
1046		-)))
1047	1047
1048		-(((
1049	1049	Format: Command Code (0x01) followed by 3 bytes time value.
1050		-)))
1051	1051
1052	1052	(((
1053	1053	If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1054	1054	)))
1055	1055
1056		-* (((
1057		-Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1058		-)))
1059		-* (((
1060		-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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1062	1062
1063		-
1064		-)))
1065	1065
1066	1066	== 3.2 Set Interrupt Mode ==
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1072	1072	[[image:image-20220607171716-9.png]]
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1075		-(((
1076	1076	(% style="color:#037691" %)**Downlink Command: 0x06**
1077		-)))
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1080	1080	Format: Command Code (0x06) followed by 3 bytes.
1081		-)))
1082	1082
1083		-(((
1084	1084	This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
1085		-)))
1086	1086
1087		-* (((
1088		-Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1089		-)))
1090		-* (((
1091		-Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1092		-)))
	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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1094		-(((
1095		-
1096		-)))
1097		-
1098		-
1099		-
1100	1100	== 3.3 Calibrate Sensor ==
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1102	1102	Detail See [[Calibration Guide>>path:#H2.7Calibration]] for the user of 0x13 and 0x14 downlink commands
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1271	1271
1272	1272	=== ​4.3.2 Replace the battery ===
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1274		-(((
1275	1275	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.
1276		-)))
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1278		-(((
1279	1279	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)
1280		-)))
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1298	1298	(% style="background-color:yellow" %)** USB TTL RXD  <~-~-~-~-> UART_TXD**
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1301		-(((
1302	1302	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:
1303		-)))
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1306	1306	[[image:1654593712276-618.png]]
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1308	1308	Valid AT Command please check [[Configure Device>>path:#H3.ConfigureLSPH01viaATCommandorLoRaWANDownlink]].
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1311	1311	= 6. FAQ =
1312	1312
1313	1313	== 6.1 How to change the LoRa Frequency Bands/Region ==
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1316	1316	When downloading the images, choose the required image file for download. ​
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1319	1319	= 7. Trouble Shooting =
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1321	1321	== 7.1 AT Commands input doesn’t work ==
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1323	1323	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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1326	1326	= 8. Order Info =
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1328	1328	Part Number: (% style="color:blue" %)**LSPH01-XX**
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1339	1339	* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
1340	1340	* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
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1342		-
1343	1343	= 9. ​Packing Info =
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1354	1354	* Package Size / pcs : cm
1355	1355	* Weight / pcs : g
1356	1356
1357		-
1358	1358	= 10. ​Support =
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1360	1360	* 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.