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Author

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1		-XWiki.Xiaoling
	1	+XWiki.Bei

Content

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55	55	* 8500mAh Battery for long term use
56	56
57	57
58		-
59	59	== 1.3 Specification ==
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61	61
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102	102	* LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
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104	104
105		-
106	106	== 1.4 Applications ==
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108	108
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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.
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138	138
139		-
140	140	== 1.7 BLE connection ==
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338	338	|(% style="width:160px" %)0x03|(% style="width:163px" %)Reply Calibration Info|(% style="width:173px" %)[[Calibration Payload>>||anchor="H2.7Calibration"]]
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340	340
341		-
342	342	=== 2.3.7 Decode payload in The Things Network ===
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564	564
565	565	== 2.7 Calibration ==
566	566
	563	+Step1 : Clean probe
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	565	+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.
	566	+
	567	+
	568	+Step2 : Immerse the sensor in ph buffer solution to make the sensor values stable
	569	+
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).
	572	+
	573	+
	574	+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.
	578	+ 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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599	599	)))
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601	601
	607	+When the command is successfully used, the node sends a uplink.
	608	+This is the payload for uplink
	609	+
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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625	625	* Reply to non-confirmed packet: 14 00
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627	627
	636	+Step4：
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	638	+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
	639	+
	640	+
629	629	== 2.8 Frequency Plans ==
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648	648	* LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
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650	650
651		-
652	652	== 3.2 General Commands ==
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654	654
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750	750	* Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
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752	752
753		-
754	754	=== 3.3.3 Calibrate Sensor ===
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756	756
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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]]**.
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864	864
865		-
866	866	= 6. FAQ =
867	867
868	868	== 6.1  AT Commands input doesn't work ==
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895	895	* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
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897	897
898		-
899	899	= 8. ​Packing Info =
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914	914	* Weight / pcs : g
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916	916
917		-
918	918	= 9. Support =
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