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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
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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
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134	134
135		-
136		-
137	137	== 1.4 ​Applications ==
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139	139	* Smart Agriculture
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141	141
142		-
143		-
144	144	== 1.5 Pin mapping and power on ==
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146	146	[[image:1654592472094-134.png]]
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338	338	|0x02|Reply configures info|[[Configure Info Payload>>path:#H3.4GetFirmwareVersionInfo]]
339	339	|0x03|Reply Calibration Info|[[Calibration Payload>>path:#H2.7Calibration]]
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341	341	=== 2.3.7 Decode payload in The Things Network ===
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343	343	While using TTN network, you can add the payload format to decode the payload.
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552	552
553		-
554	554	== 2.8 Frequency Plans ==
555	555
556	556	(((
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747	747	* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
748	748	* 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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750	750	=== 2.8.5 AS920-923 & AS923-925 (AS923) ===
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752	752	(((
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971	971	* Blink once when device transmit a packet.
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973	973
974		-
975		-
976	976	== 2.10 ​Firmware Change Log ==
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1062	1062	)))
1063	1063	* (((
1064	1064	Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
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1066	1066
1067		-
1068		-)))
1069	1069
1070	1070	== 3.2 Set Interrupt Mode ==
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1118	1118	* Reply to the confirmation package: 26 01
1119	1119	* Reply to non-confirmed packet: 26 00
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1121	1121	Device will send an uplink after got this downlink command. With below payload:
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1123	1123	Configures info payload:
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1275	1275
1276	1276	=== ​4.3.2 Replace the battery ===
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1278		-(((
1279	1279	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.
1280		-)))
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1282		-(((
1283	1283	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)
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1302	1302	(% style="background-color:yellow" %)** USB TTL RXD  <~-~-~-~-> UART_TXD**
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1305		-(((
1306	1306	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:
1307		-)))
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1310	1310	[[image:1654593712276-618.png]]
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1312	1312	Valid AT Command please check [[Configure Device>>path:#H3.ConfigureLSPH01viaATCommandorLoRaWANDownlink]].
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1315	1315	= 6. FAQ =
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1317	1317	== 6.1 How to change the LoRa Frequency Bands/Region ==
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1320	1320	When downloading the images, choose the required image file for download. ​
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1323	1323	= 7. Trouble Shooting =
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1325	1325	== 7.1 AT Commands input doesn’t work ==
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1327	1327	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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1330	1330	= 8. Order Info =
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1332	1332	Part Number: (% style="color:blue" %)**LSPH01-XX**
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1343	1343	* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
1344	1344	* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
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1346		-
1347	1347	= 9. ​Packing Info =
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1358	1358	* Package Size / pcs : cm
1359	1359	* Weight / pcs : g
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1361		-
1362	1362	= 10. ​Support =
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1364	1364	* 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.