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8	8	**Table of Contents:**
9	9
10	10	{{toc/}}
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14	14
15	15
16	16
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17	17	= 1. Introduction =
18	18
19	19
20	20	== 1.1 ​What is LoRaWAN Soil pH Sensor ==
21	21
22		-
23	23	(((
	35	+
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24	24	The Dragino LSPH01 is a (% style="color:#4f81bd" %)**LoRaWAN Soil pH Sensor**(%%) for IoT of Agriculture. It is designed to measure the soil PH and soil temperature, so to send to the platform to analyze the soil acid or alkali level. The probe is IP68 waterproof.
25	25	)))
26	26
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46	46
47	47
	61	+
48	48	== ​1.2 Features ==
49	49
50	50
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64	64
65	65
66	66
	81	+
	82	+
67	67	== 1.3 Probe Specification ==
68	68
69	69
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86	86
87	87
88	88
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89	89	== 1.4 ​Applications ==
90	90
91	91
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92	92	* Smart Agriculture
93	93
94	94
	113	+
	114	+
95	95	== 1.5 Pin mapping and power on ==
96	96
97	97
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206	206	Normal uplink payload:
207	207	)))
208	208
209		-(% border="1" cellspacing="5" style="background-color:#ffffcc; width:470px" %)
210		-|=(% style="width: 60px;" %)(((
211		-**Size (bytes)**)))|=(% style="width: 30px;" %)**2**|=(% style="width: 70px;" %)**2**|=(% style="width: 50px;" %)**2**|=(% style="width: 60px;" %)**2**|=(% style="width: 70px;" %)**1**|=(% style="width: 50px;" %)**1**|=(% style="width: 80px;" %)**1**
	229	+(% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
	230	+|=(% style="width: 62.5px;" %)(((
	231	+**Size (bytes)**
	232	+)))|=(% style="width: 62.5px;" %)**2**|=(% style="width: 62.5px;" %)**2**|=**2**|=**2**|=**1**|=**1**|=**1**
212	212	|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1BatteryInfo"]]|(% style="width:62.5px" %)(((
213		-[[Temperature (Optional)>>||anchor="H2.3.2DS18B20Temperaturesensor"]]
	234	+[[Temperature>>||anchor="H2.3.2DS18B20Temperaturesensor"]]
	235	+
	236	+[[(Optional)>>||anchor="H2.3.2DS18B20Temperaturesensor"]]
214	214	)))|[[Soil pH>>||anchor="H2.3.3SoilpH"]]|[[Soil Temperature>>||anchor="H2.3.4SoilTemperature"]]|(((
215	215	[[Digital Interrupt (Optional)>>||anchor="H2.3.5InterruptPin"]]
216	216	)))|Reserve|(((
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297	297	)))
298	298
299	299
300		-(% border="1" cellspacing="5" style="background-color:#ffffcc; width:496px" %)
	323	+(% border="1" cellspacing="10" style="background-color:#ffffcc; width:499px" %)
301	301	|=(% style="width: 160px;" %)**Message Type Code**|=(% style="width: 163px;" %)**Description**|=(% style="width: 173px;" %)**Payload**
302	302	|(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)[[Normal Uplink Payload>>||anchor="H2.3200BUplinkPayload"]]
303	303	|(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)[[Configure Info Payload>>||anchor="H3.4GetFirmwareVersionInfo"]]
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308	308	=== 2.3.7 Decode payload in The Things Network ===
309	309
310	310	While using TTN network, you can add the payload format to decode the payload.
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317	317	)))
318	318
319	319	(((
320		-LSPH01 TTN Payload Decoder:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
	345	+LSPH01 TTN Payload Decoder:  [[https:~~/~~/www.dropbox.com/sh/pj7cgmgqg3gx3ta/AABYFbg1DVOOR9Hmr1mLSBkga?dl=0>>https://www.dropbox.com/sh/pj7cgmgqg3gx3ta/AABYFbg1DVOOR9Hmr1mLSBkga?dl=0]]
321	321	)))
322	322
323	323
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495	495
496	496	(% style="color:#037691" %)**Calibration Payload**
497	497
498		-(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:500px" %)
499		-|=(% style="width: 60px;" %)(((
	523	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	524	+|=(% style="width: 62.5px;" %)(((
500	500	**Size (bytes)**
501		-)))|=(% style="width: 100px;" %)**1**|=(% style="width: 100px;" %)**1**|=(% style="width: 100px;" %)**1**|=(% style="width: 50px;" %)**7**|=(% style="width: 90px;" %)**1**
	526	+)))|=(% style="width: 89px;" %)**1**|=(% style="width: 89px;" %)**1**|=(% style="width: 89px;" %)**1**|=(% style="width: 89px;" %)**7**|=(% style="width: 89px;" %)**1**
502	502	|**Value**|(((
503		-PH4 Calibrate value
	528	+PH4
	529	+
	530	+Calibrate value
504	504	)))|PH6.86 Calibrate value|(((
505		-PH9.18 Calibrate value
	532	+PH9.18
	533	+
	534	+Calibrate value
506	506	)))|Reserve|(((
507	507	[[Message Type>>||anchor="H2.3.6MessageType"]]
	537	+
508	508	Always 0x03
509	509	)))
510	510
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511	511	User can also send 0x14 downlink command to poll the current calibration payload.
512	512
513	513	[[image:image-20220607171416-7.jpeg]]
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517	517	* Reply to non-confirmed packet: 14 00
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519	519
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520	520	== 2.8 Frequency Plans ==
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610	610	=== 2.8.3 CN470-510 (CN470) ===
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723	723	=== 2.8.5 AS920-923 & AS923-925 (AS923) ===
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952	952	== 2.10 ​Firmware Change Log ==
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954	954
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1012	1012
1013	1013	== 3.1 Set Transmit Interval Time ==
1014	1014
1015		-
1016	1016	Feature: Change LoRaWAN End Node Transmit Interval.
1017	1017
1018	1018	(% style="color:#037691" %)**AT Command: AT+TDC**
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1039	1039	Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
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1041	1041
1042		-
1043	1043
1044	1044	)))
1045	1045
1046	1046	== 3.2 Set Interrupt Mode ==
1047	1047
1048		-
1049	1049	Feature, Set Interrupt mode for GPIO_EXIT.
1050	1050
1051	1051	(% style="color:#037691" %)**AT Command: AT+INTMOD**
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1077	1077	)))
1078	1078
1079	1079
1080		-
1081	1081	== 3.3 Calibrate Sensor ==
1082	1082
1083		-
1084	1084	Detail See [[Calibration Guide>>||anchor="H2.7Calibration"]] for the user of 0x13 and 0x14 downlink commands
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1086	1086
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1087	1087
1088	1088	== 3.4 Get Firmware Version Info ==
1089	1089
1090		-
1091	1091	Feature: use downlink to get firmware version.
1092	1092
1093	1093	(% style="color:#037691" %)**Downlink Command: 0x26**
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1107	1107	)))|=**1**|=**1**|=**1**|=**1**|=**1**|=**5**|=**1**
1108	1108	|**Value**|Software Type|(((
1109	1109	Frequency
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1110	1110	Band
1111	1111	)))|Sub-band|(((
1112	1112	Firmware
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1113	1113	Version
1114	1114	)))|Sensor Type|Reserve|(((
1115	1115	[[Message Type>>||anchor="H2.3.6MessageType"]]
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1116	1116	Always 0x02
1117	1117	)))
1118	1118
1119		-
1120		-
1121		-
1122	1122	(% style="color:#037691" %)**Software Type**(%%): Always 0x03 for LSPH01
1123	1123
1124	1124
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1171	1171
1172	1172	= 4. Battery & How to replace =
1173	1173
1174		-
1175	1175	== 4.1 Battery Type ==
1176	1176
1177		-
1178	1178	(((
1179	1179	LSPH01 is equipped with a [[8500mAH ER26500 Li-SOCI2 battery>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]. The battery is un-rechargeable battery with low discharge rate targeting for 8~~10 years use. This type of battery is commonly used in IoT target for long-term running, such as water meter.
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1181	1181
1182	1182	(((
1183	1183	The discharge curve is not linear so can't simply use percentage to show the battery level. Below is the battery performance.
1184		-
1185		-
1186	1186	)))
1187	1187
1188	1188	[[image:1654593587246-335.png]]
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1196	1196
1197	1197	== 4.2 Replace Battery ==
1198	1198
1199		-
1200	1200	(((
1201	1201	Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
1202	1202	)))
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1209	1209
1210	1210	== 4.3 Power Consumption Analyze ==
1211	1211
1212		-
1213	1213	(((
1214	1214	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.
1215	1215	)))
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1253	1253
1254	1254	=== 4.3.1 ​Battery Note ===
1255	1255
1256		-
1257	1257	(((
1258	1258	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.
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1262	1262
1263	1263	=== ​4.3.2 Replace the battery ===
1264	1264
1265		-
1266	1266	(((
1267	1267	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.
1268	1268	)))
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1275	1275
1276	1276	= 5. Use AT Command =
1277	1277
1278		-
1279	1279	== 5.1 Access AT Commands ==
1280	1280
1281		-
1282	1282	LSPH01 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LSPH01 for using AT command, as below.
1283	1283
1284		-
1285	1285	[[image:1654593668970-604.png]]
1286	1286
1287		-
1288	1288	**Connection:**
1289	1289
1290	1290	(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND**
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1306	1306
1307	1307	= 6. FAQ =
1308	1308
1309		-
1310	1310	== 6.1 How to change the LoRa Frequency Bands/Region ==
1311	1311
1312		-
1313	1313	You can follow the instructions for [[how to upgrade image>>||anchor="H2.10200BFirmwareChangeLog"]].
1314	1314	When downloading the images, choose the required image file for download. ​
1315	1315
1316	1316
1317		-
1318	1318	= 7. Trouble Shooting =
1319	1319
1320		-
1321	1321	== 7.1 AT Commands input doesn't work ==
1322	1322
1323		-
1324	1324	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.
1325	1325
1326	1326
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1327	1327
1328	1328	= 8. Order Info =
1329	1329
1330		-
1331	1331	Part Number: (% style="color:blue" %)**LSPH01-XX**
1332	1332
1333	1333
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1360	1360
1361	1361	= 10. ​Support =
1362	1362
1363		-
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.
1365	1365	* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:http://../../../../../../D:%5C%E5%B8%82%E5%9C%BA%E8%B5%84%E6%96%99%5C%E8%AF%B4%E6%98%8E%E4%B9%A6%5CLoRa%5CLT%E7%B3%BB%E5%88%97%5Csupport@dragino.com]].
1366	1366