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70		-
71		-
72	72	= 1. Introduction =
73	73
74	74	== 1.1 ​What is LoRaWAN Soil pH Sensor ==
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76	76	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.
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78	78	LSPH01 probe is made by Solid AgCl reference electrode and Pure metal pH sensitive electrode. It can detect soil's** (% style="color:#4f81bd" %)pH (%%)**with high accuracy and stable value. The LSPH01 probe can be buried into soil for long time use.
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80	80	The LoRa wireless technology used in LSPH01 allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.
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82	82	LSPH01 is powered by (% style="color:#4f81bd" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
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84	84	Each LSPH01 is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on.
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86	86
87	87	[[image:1654592435432-887.png]]
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105	105	* 8500mAh Battery for long term use
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107	107
108		-
109		-
110	110	== 1.3 Probe Specification ==
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127	127	* IP68 Protection
128	128	* Length: 3.5 meters
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130	130	== 1.4 ​Applications ==
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132	132	* Smart Agriculture
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134	134	== 1.5 Pin mapping and power on ==
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136	136	[[image:1654592472094-134.png]]
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209	209	[[image:image-20220607170442-2.png]]
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212	212	(% style="color:blue" %)**Step 3**(%%)**:** The LSPH01 will auto join to the TTN network. After join success, it will start to upload messages to TTN and you can see the messages in the panel.
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213	213
214	214	[[image:1654592697690-910.png]]
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217	217
218	218	== 2.3 ​Uplink Payload ==
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220	220	LSPH01 will uplink payload via LoRaWAN with below payload format:
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222	222	Uplink payload includes in total 11 bytes.
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223	223
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224	224	Normal uplink payload:
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225	225
226	226	(% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
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305	305
306	306	=== 2.3.6 Message Type ===
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308	308	For a normal uplink payload, the message type is always 0x01.
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309	309
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310	310	Valid Message Type:
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313	313	(% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
314		-|**Message Type Code**|**Description**|**Payload**
	334	+|=**Message Type Code**|=**Description**|=**Payload**
315	315	|0x01|Normal Uplink|[[Normal Uplink Payload>>path:#H2.3200BUplinkPayload]]
316	316	|0x02|Reply configures info|[[Configure Info Payload>>path:#H3.4GetFirmwareVersionInfo]]
317	317	|0x03|Reply Calibration Info|[[Calibration Payload>>path:#H2.7Calibration]]
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320	320	=== 2.3.7 Decode payload in The Things Network ===
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322	322	While using TTN network, you can add the payload format to decode the payload.
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342	342
343	343	== 2.5 ​Show Data in DataCake IoT Server ==
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345	345	[[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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348	348	(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
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350	350	(% style="color:blue" %)**Step 2**(%%)**: To configure the Application to forward data to DATACAKE you will need to add integration. To add the DATACAKE integration, perform the following steps:**
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353	353	[[image:1654592790040-760.png]]
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370	370	[[image:1654592856403-259.png]]
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373	373	(% style="color:blue" %)**Step 5**(%%)**: add payload decode**
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375	375	Download Datacake decoder from: [[https:~~/~~/www.dragino.com/downloads/index.pHp?dir=LoRa_End_Node/LSPH01/Decoder/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSNPK01/Decoder/]]
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378	378	[[image:1654592878525-845.png]]
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395	395	=== 2.6.1 Before measurement ===
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397	397	(((
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398	398	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.
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403	403	=== 2.6.2 Measurement ===
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406	406	(% style="color:#4f81bd" %)**Measurement the soil surface:**
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408	408	[[image:1654592946732-634.png]]
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410	410	Choose the proper measuring position. Split the surface soil according to the measured deep.
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412	412	Put pure water, or rainwater to make the soil of measurement point to moist mud. Remove rocks or hard things.
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414	414	Slowly insert the probe to the measure point. Don’t use large force which will break the probe. Make sure not shake when inserting.
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416	416	Put soil over the probe after insert. And start to measure.
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419	419	(% style="color:#4f81bd" %)**Measurement inside soil:**
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421	421	Dig a hole with diameter > 20CM.
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423	423	Insert the probe inside, method like measure the surface.
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450	450
451	451	== 2.7 Calibration ==
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453	453	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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455	455	After stable, user can use below command to calibrate.
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456	456
457	457	[[image:image-20220607171149-4.png]]
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460	460	(% style="color:#037691" %)**Calibration Payload**
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462		-(% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
	523	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
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464	464	**Size**
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488	488	* Reply to non-confirmed packet: 14 00
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491	491	== 2.8 Frequency Plans ==
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548	548	=== 2.8.3 CN470-510 (CN470) ===
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550	550	Used in China, Default use CHE=1
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612	612	* 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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615		-
616	616	=== 2.8.5 AS920-923 & AS923-925 (AS923) ===
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618	618	(% style="color:blue" %)**Default Uplink channel:**
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620	620	923.2 - SF7BW125 to SF10BW125
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622	622	923.4 - SF7BW125 to SF10BW125
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625	625	(% style="color:blue" %)**Additional Uplink Channel**:
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627	627	(OTAA mode, channel added by JoinAccept message)
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630	630	(% style="color:blue" %)**AS920~~AS923 for Japan, Malaysia, Singapore**:
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632	632	922.2 - SF7BW125 to SF10BW125
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634	634	922.4 - SF7BW125 to SF10BW125
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636	636	922.6 - SF7BW125 to SF10BW125
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638	638	922.8 - SF7BW125 to SF10BW125
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640	640	923.0 - SF7BW125 to SF10BW125
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642	642	922.0 - SF7BW125 to SF10BW125
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645	645	(% style="color:blue" %)**AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam**:
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647	647	923.6 - SF7BW125 to SF10BW125
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649	649	923.8 - SF7BW125 to SF10BW125
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651	651	924.0 - SF7BW125 to SF10BW125
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653	653	924.2 - SF7BW125 to SF10BW125
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655	655	924.4 - SF7BW125 to SF10BW125
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657	657	924.6 - SF7BW125 to SF10BW125
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660	660	(% style="color:blue" %)**Downlink:**
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662	662	Uplink channels 1-8 (RX1)
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664	664	923.2 - SF10BW125 (RX2)
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728	728	* Blink once when device transmit a packet.
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731		-
732	732	== 2.10 ​Firmware Change Log ==
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786	786	* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
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789	789	== 3.2 Set Interrupt Mode ==
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791	791	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
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807		-
808		-
809	809	== 3.3 Calibrate Sensor ==
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811	811	Detail See [[Calibration Guide>>path:#H2.7Calibration]] for the user of 0x13 and 0x14 downlink commands
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1045	1045	* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
1046	1046	* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
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1048		-
1049		-
1050	1050	= 9. ​Packing Info =
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1061	1061	* Package Size / pcs : cm
1062	1062	* Weight / pcs : g
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1064		-
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1066	1066	= 10. ​Support =
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1068	1068	* 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.