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1		-XWiki.Xiaoling
	1	+XWiki.Bei

Content

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54	54	* Downlink to change configure
55	55	* 8500mAh Battery for long term use
56	56
57		-
58		-
59	59	== 1.3 Specification ==
60	60
61	61
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101	101	* Sleep Mode: 5uA @ 3.3v
102	102	* LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
103	103
104		-
105		-
106	106	== 1.4 Applications ==
107	107
108	108
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135	135	)))
136	136	|(% style="width:167px" %)Fast press ACT 5 times.|(% style="width:117px" %)Deactivate Device|(% style="width:225px" %)(% style="color:red" %)**Red led**(%%) will solid on for 5 seconds. Means device is in Deep Sleep Mode.
137	137
138		-
139		-
140	140	== 1.7 BLE connection ==
141	141
142	142
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337	337	|(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)[[Configure Info Payload>>||anchor="H3.4GetFirmwareVersionInfo"]]
338	338	|(% style="width:160px" %)0x03|(% style="width:163px" %)Reply Calibration Info|(% style="width:173px" %)[[Calibration Payload>>||anchor="H2.7Calibration"]]
339	339
340		-
341		-
342	342	=== 2.3.7 Decode payload in The Things Network ===
343	343
344	344
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564	564
565	565	== 2.7 Calibration ==
566	566
	559	+Step1 : Clean probe
567	567
	561	+user can use high grade sandpaper to polish it or put in 5% hydrochloric acid for several minutes. After the metal probe looks new, users can clean it to remove hydrochloric acid or other liquids from the surface.
	562	+
	563	+Step2 : Immerse the sensor in ph buffer solution to make the sensor values stable
	564	+
568	568	(((
569	569	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).
	567	+
	568	+Note：Only one ph buffer with one of the ph values needs to be calibrated during calibration. Wait for the sensor measurement value to be stable, it does not need to be the same as the ph marked by the ph buffer
	569	+
	570	+
	571	+Step3 : The numerically stable sensors were calibrated using commands
570	570	)))
571	571
572	572	(((
573		-After stable, user can use below command to calibrate.
	575	+ User can use below command to calibrate.
574	574
575	575	(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:520px" %)
576	576	|(% style="background-color:#d9e2f3; color:#0070c0; width:120px" %)**pH buffer solution**|(% style="background-color:#d9e2f3; color:#0070c0; width:150px" %)**AT Command to calibrate**|(% style="background-color:#d9e2f3; color:#0070c0; width:150px" %)**Downlink Command**|(% style="background-color:#d9e2f3; color:#0070c0; width:100px" %)**Read Cal Value**
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598	598	)))
599	599	)))
600	600
	603	+To use the AT COMMAND, refer to this link:
601	601
	605	+* AT Command via Bluetooth Connection (**Recommended**): [[BLE Configure Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]].
	606	+
	607	+* AT Command via UART Connection : See [[UART Connection>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H2.3UARTConnectionforSN50v3basemotherboard]].
	608	+
	609	+To use Downlink, take TTN as an example, please refer to this link:
	610	+
	611	+* LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>url:http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
	612	+
	613	+
	614	+When the command is successfully used, the node sends a uplink.
	615	+This is the payload for uplink
	616	+
602	602	(% style="color:#037691" %)**Calibration Payload**
603	603
604	604	(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:500px" %)
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624	624
625	625	* Reply to non-confirmed packet: 14 00
626	626
	642	+Step4：
627	627
	644	+After the calibration is completed, its measurement results in this ph buffer solution should be consistent with the numerical value of the command used in the calibration
628	628
	646	+Examples:
	647	+After using the command AT+PH=9 in 9.18ph buffer
	648	+The readout returned by the sensor in 9.18ph buffer should be pH=9
	649	+
	650	+
629	629	== 2.8 Frequency Plans ==
630	630
631	631
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647	647
648	648	* LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
649	649
650		-
651		-
652	652	== 3.2 General Commands ==
653	653
654	654
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749	749
750	750	* Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
751	751
752		-
753		-
754	754	=== 3.3.3 Calibrate Sensor ===
755	755
756	756
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861	861
862	862	* Update through UART TTL interface. **[[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]**.
863	863
864		-
865		-
866	866	= 6. FAQ =
867	867
868	868	== 6.1  AT Commands input doesn't work ==
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894	894
895	895	* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
896	896
897		-
898		-
899	899	= 8. ​Packing Info =
900	900
901	901
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913	913
914	914	* Weight / pcs : g
915	915
916		-
917		-
918	918	= 9. Support =
919	919
920	920