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5	5
6	6
7	7
8		-**Contents:**
9	9
10		-{{toc/}}
11	11
12	12
13	13
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17	17
18	18
19	19
20		-
21		-
22		-
23	23	= 1. Introduction =
24	24
25	25	== 1.1 ​What is LoRaWAN Soil pH Sensor ==
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55	55	* IP68 rate for the Sensor Probe
56	56	* 8500mAh Battery for long term use
57	57
58		-
59		-
60	60	== 1.3 Probe Specification ==
61	61
62	62
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180	180
181	181	**(bytes)**
182	182	)))|**2**|**2**|**2**|**2**|**1**|**1**|**1**
183		-|**Value**|[[BAT>>||anchor="H2.3.1BatteryInfo"]]|(((
184		-[[Temperature>>||anchor="H2.3.2DS18B20Temperaturesensor"]]
	176	+|**Value**|[[BAT>>path:#bat]]|(((
	177	+[[Temperature>>path:#DS18B20]]
185	185
186		-[[(Optional)>>||anchor="H2.3.2DS18B20Temperaturesensor"]]
187		-)))|[[Soil pH>>||anchor="H2.3.3SoilpH"]]|[[Soil Temperature>>||anchor="H2.3.4SoilTemperature"]]|(((
188		-[[Digital Interrupt (Optional)>>||anchor="H2.3.5InterruptPin"]]
	179	+[[( Optional )>>path:#DS18B20]]
	180	+)))|[[Soil pH>>path:#Soil_Nitrogen]]|[[Soil Temperature>>path:#Soil_Phosphorus]]|(((
	181	+[[Digital Interrupt>>path:#Int_pin]]
	182	+
	183	+[[(Optional)>>path:#Int_pin]]
189	189	)))|Reserve|(((
190		-[[Message Type>>||anchor="H2.3.6MessageType"]]
	185	+[[Message>>path:#Message_Type]]
	186	+
	187	+[[Type>>path:#Message_Type]]
191	191	)))
192	192
193	193	[[image:1654581735133-458.png]]
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285	285	)))
286	286
287	287
	285	+1.
	286	+11. Uplink Interval
288	288
289		-== 2.4 Uplink Interval ==
	288	+The LSPH01 by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link:
290	290
291		-The LSPH01 by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: [[Change Uplink Interval>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H4.1ChangeUplinkInterval"]]
	290	+[[http:~~/~~/wiki.dragino.com/index.pHp?title=End_Device_AT_Commands_and_Downlink_Commands#Change_Uplink_Interval>>url:http://wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands#Change_Uplink_Interval]]
292	292
293	293
294	294
295		-
296		-1.
	294	+1.
297	297	11. ​Show Data in DataCake IoT Server
298	298
299	299	[[DATACAKE>>url:https://datacake.co/]] provides a human friendly interface to show the sensor data, once we have data in TTN, we can use [[DATACAKE>>url:https://datacake.co/]] to connect to TTN and see the data in DATACAKE. Below are the steps:
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353	353	If the LSPH01 has more than 7 days not use or just clean the pH probe. User should put the probe inside pure water for more than 24 hours for activation. If no put in water, user need to put inside soil for more than 24 hours to ensure the measurement accuracy.
354	354
355	355
356		-1.
357		-11.
	354	+1.
	355	+11.
358	358	111. Measurement
359	359
360	360	**Measurement the soil surface**
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382	382	Insert the probe inside, method like measure the surface.
383	383
384	384
385		-1.
386		-11.
	383	+1.
	384	+11.
387	387	111. Maintain Probe
388	388	1111. pH probe electrode is fragile and no strong. User must avoid strong force or hitting it.
389	389	1111. After long time use (3~~ 6  months). The probe electrode needs to be clean; user can use high grade sandpaper to polish it or put in 5% hydrochloric acid for several minutes. After the metal probe looks like new, user can use pure water to wash it.
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392	392	1111. Avoid the probes to touch oily matter. Which will cause issue in accuracy.
393	393	1111. The probe is IP68 can be put in water.
394	394
395		-1.
	393	+1.
396	396	11. Calibration
397	397
398	398	User can do calibration for the probe. It is limited to use below pH buffer solution to calibrate: 4.00, 6.86, 9.18. When calibration, user need to clean the electrode and put the probe in the pH buffer solution to wait the value stable ( a new clean electrode might need max 24 hours to be stable).
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463	463	* Reply to the confirmation package: 14 01
464	464	* Reply to non-confirmed packet: 14 00
465	465
466		-1.
	464	+1.
467	467	11. Frequency Plans
468	468
469	469	The LSPH01 uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets.
470	470
471		-1.
472		-11.
	469	+1.
	470	+11.
473	473	111. EU863-870 (EU868)
474	474
475	475	Uplink:
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500	500	869.525 - SF9BW125 (RX2 downlink only)
501	501
502	502
503		-1.
504		-11.
	501	+1.
	502	+11.
505	505	111. US902-928(US915)
506	506
507	507	Used in USA, Canada and South America. Frequency band as per definition in LoRaWAN 1.0.3 Regional document.
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515	515	* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
516	516	* 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)
517	517
518		-1.
519		-11.
	516	+1.
	517	+11.
520	520	111. CN470-510 (CN470)
521	521
522	522	Used in China, Default use CHE=1
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561	561	505.3 - SF12BW125 (RX2 downlink only)
562	562
563	563
564		-1.
565		-11.
	562	+1.
	563	+11.
566	566	111. AU915-928(AU915)
567	567
568	568	Frequency band as per definition in LoRaWAN 1.0.3 Regional document.
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576	576	* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
577	577	* 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)
578	578
579		-1.
580		-11.
	577	+1.
	578	+11.
581	581	111. AS920-923 & AS923-925 (AS923)
582	582
583	583	**Default Uplink channel:**
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629	629	923.2 - SF10BW125 (RX2)
630	630
631	631
632		-1.
633		-11.
	630	+1.
	631	+11.
634	634	111. KR920-923 (KR920)
635	635
636	636	Default channel:
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666	666	921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
667	667
668	668
669		-1.
670		-11.
	667	+1.
	668	+11.
671	671	111. IN865-867 (IN865)
672	672
673	673	Uplink:
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686	686	866.550 - SF10BW125 (RX2)
687	687
688	688
689		-1.
	687	+1.
690	690	11. LED Indicator
691	691
692	692	The LSPH01 has an internal LED which is to show the status of different state.
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695	695	* The sensor is detected when the device is turned on, and it will flash 4 times quickly when it is detected.
696	696	* Blink once when device transmit a packet.
697	697
698		-1.
	696	+1.
699	699	11. ​Firmware Change Log
700	700
701	701	**Firmware download link:**
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741	741	These commands only valid for LSPH01, as below:
742	742
743	743
744		-1.
	742	+1.
745	745	11. Set Transmit Interval Time
746	746
747	747	Feature: Change LoRaWAN End Node Transmit Interval.
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771	771	* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
772	772	* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
773	773
774		-1.
	772	+1.
775	775	11. Set Interrupt Mode
776	776
777	777	Feature, Set Interrupt mode for GPIO_EXIT.
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804	804	* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
805	805	* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
806	806
807		-1.
	805	+1.
808	808	11. Calibrate Sensor
809	809
810	810	Detail See [[Calibration Guide>>path:#Calibration]] for the user of 0x13 and 0x14 downlink commands
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811	811
812	812
813	813
814		-1.
	812	+1.
815	815	11. Get Firmware Version Info
816	816
817	817	Feature: use downlink to get firmware version.
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920	920	LSPH01:  2.45v ~~ 3.6v
921	921
922	922
923		-1.
	921	+1.
924	924	11. Replace Battery
925	925
926	926	Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
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929	929
930	930
931	931
932		-1.
	930	+1.
933	933	11. Power Consumption Analyze
934	934
935	935	Dragino Battery powered product are all runs in Low Power mode. We have an update battery calculator which base on the measurement of the real device. User can use this calculator to check the battery life and calculate the battery life if want to use different transmit interval.
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969	969
970	970
971	971	1.
972		-11.
	970	+11.
973	973	111. ​Battery Note
974	974
975	975	The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to transmit LoRa, then the battery life may be decreased.
976	976
977	977
978		-1.
979		-11.
	976	+1.
	977	+11.
980	980	111. ​Replace the battery
981	981
982	982	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.