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66	66	= 1. Introduction =
67	67
68	68	== 1.1 ​What is LoRaWAN Soil pH Sensor ==
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108	108	* IP68 rate for the Sensor Probe
109	109	* 8500mAh Battery for long term use
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	115	+
111	111	== 1.3 Probe Specification ==
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113	113
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128	128	* IP68 Protection
129	129	* Length: 3.5 meters
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	136	+
131	131	== 1.4 ​Applications ==
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133	133	* Smart Agriculture
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135	135	== 1.5 Pin mapping and power on ==
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137	137	[[image:1654592472094-134.png]]
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329	329	|0x02|Reply configures info|[[Configure Info Payload>>path:#H3.4GetFirmwareVersionInfo]]
330	330	|0x03|Reply Calibration Info|[[Calibration Payload>>path:#H2.7Calibration]]
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332	332	=== 2.3.7 Decode payload in The Things Network ===
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334	334	While using TTN network, you can add the payload format to decode the payload.
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539	539	* Reply to the confirmation package: 14 01
540	540	* Reply to non-confirmed packet: 14 00
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542	542	== 2.8 Frequency Plans ==
543	543
544	544	(((
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623	623	* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
624	624	* 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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626	626	=== 2.8.3 CN470-510 (CN470) ===
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628	628	(((
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732	732	* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
733	733	* 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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735	735	=== 2.8.5 AS920-923 & AS923-925 (AS923) ===
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737	737	(((
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956	956	* Blink once when device transmit a packet.
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958	958
959		-
960		-
961	961	== 2.10 ​Firmware Change Log ==
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1047	1047	)))
1048	1048	* (((
1049	1049	Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
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1052		-
1053		-)))
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1055	1055	== 3.2 Set Interrupt Mode ==
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1261	1261	=== ​4.3.2 Replace the battery ===
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1263		-(((
1264	1264	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.
1265		-)))
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1267		-(((
1268	1268	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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1287	1287	(% style="background-color:yellow" %)** USB TTL RXD  <~-~-~-~-> UART_TXD**
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1290		-(((
1291	1291	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:
1292		-)))
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1295	1295	[[image:1654593712276-618.png]]