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70	70	= 1. Introduction =
71	71
72	72	== 1.1 ​What is LoRaWAN Soil pH Sensor ==
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112	112	* IP68 rate for the Sensor Probe
113	113	* 8500mAh Battery for long term use
114	114
115		-
116	116	== 1.3 Probe Specification ==
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118	118
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133	133	* IP68 Protection
134	134	* Length: 3.5 meters
135	135
136		-
137	137	== 1.4 ​Applications ==
138	138
139	139	* Smart Agriculture
140	140
141		-
142	142	== 1.5 Pin mapping and power on ==
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144	144	[[image:1654592472094-134.png]]
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336	336	|0x02|Reply configures info|[[Configure Info Payload>>path:#H3.4GetFirmwareVersionInfo]]
337	337	|0x03|Reply Calibration Info|[[Calibration Payload>>path:#H2.7Calibration]]
338	338
339		-
340		-
341	341	=== 2.3.7 Decode payload in The Things Network ===
342	342
343	343	While using TTN network, you can add the payload format to decode the payload.
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548	548	* Reply to the confirmation package: 14 01
549	549	* Reply to non-confirmed packet: 14 00
550	550
551		-
552		-
553	553	== 2.8 Frequency Plans ==
554	554
555	555	(((
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634	634	* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
635	635	* 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)
636	636
637		-
638		-
639		-
640	640	=== 2.8.3 CN470-510 (CN470) ===
641	641
642	642	(((
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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)
748	748
749		-
750	750	=== 2.8.5 AS920-923 & AS923-925 (AS923) ===
751	751
752	752	(((
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971	971	* Blink once when device transmit a packet.
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	959	+
	960	+
974	974	== 2.10 ​Firmware Change Log ==
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1060	1060	)))
1061	1061	* (((
1062	1062	Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1063		-)))
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	1053	+)))
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1067	1067	== 3.2 Set Interrupt Mode ==
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1092	1092	Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1093	1093	)))
1094	1094
	1083	+(((
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	1085	+)))
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1095	1095	== 3.3 Calibrate Sensor ==
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1097	1097	Detail See [[Calibration Guide>>path:#H2.7Calibration]] for the user of 0x13 and 0x14 downlink commands
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1267	1267	=== ​4.3.2 Replace the battery ===
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	1263	+(((
1269	1269	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.
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1271	1271	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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1289	1289	(% style="background-color:yellow" %)** USB TTL RXD  <~-~-~-~-> UART_TXD**
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1291	1291
	1290	+(((
1292	1292	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:
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1295	1295	[[image:1654593712276-618.png]]