Changes for page SPH01-LB -- LoRaWAN Soil pH Sensor User Manual
Last modified by Xiaoling on 2024/01/15 09:36
Change comment:
There is no comment for this version
Summary
-
Page properties (2 modified, 0 added, 0 removed)
Details
- Page properties
-
- Author
-
... ... @@ -1,1 +1,1 @@ 1 -XWiki. Xiaoling1 +XWiki.Bei - Content
-
... ... @@ -55,7 +55,6 @@ 55 55 * 8500mAh Battery for long term use 56 56 57 57 58 - 59 59 == 1.3 Specification == 60 60 61 61 ... ... @@ -102,7 +102,6 @@ 102 102 * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm 103 103 104 104 105 - 106 106 == 1.4 Applications == 107 107 108 108 ... ... @@ -135,6 +135,7 @@ 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. 137 137 136 + 138 138 == 1.7 BLE connection == 139 139 140 140 ... ... @@ -335,6 +335,7 @@ 335 335 |(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)[[Configure Info Payload>>||anchor="H3.4GetFirmwareVersionInfo"]] 336 336 |(% style="width:160px" %)0x03|(% style="width:163px" %)Reply Calibration Info|(% style="width:173px" %)[[Calibration Payload>>||anchor="H2.7Calibration"]] 337 337 337 + 338 338 === 2.3.7 Decode payload in The Things Network === 339 339 340 340 ... ... @@ -560,13 +560,22 @@ 560 560 561 561 == 2.7 Calibration == 562 562 563 +Step1 : Clean probe 563 563 565 +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 + 564 564 ((( 565 565 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 566 566 ))) 567 567 568 568 ((( 569 - Afterstable, user can use below command to calibrate.578 + User can use below command to calibrate. 570 570 571 571 (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:520px" %) 572 572 |(% 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** ... ... @@ -595,6 +595,9 @@ 595 595 ))) 596 596 597 597 607 +When the command is successfully used, the node sends a uplink. 608 +This is the payload for uplink 609 + 598 598 (% style="color:#037691" %)**Calibration Payload** 599 599 600 600 (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:500px" %) ... ... @@ -620,6 +620,12 @@ 620 620 621 621 * Reply to non-confirmed packet: 14 00 622 622 635 + 636 +Step4: 637 + 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 + 623 623 == 2.8 Frequency Plans == 624 624 625 625 ... ... @@ -641,6 +641,7 @@ 641 641 642 642 * LoRaWAN Downlink. Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section. 643 643 662 + 644 644 == 3.2 General Commands == 645 645 646 646 ... ... @@ -741,6 +741,7 @@ 741 741 742 742 * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 743 743 763 + 744 744 === 3.3.3 Calibrate Sensor === 745 745 746 746 ... ... @@ -851,6 +851,7 @@ 851 851 852 852 * 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]]**. 853 853 874 + 854 854 = 6. FAQ = 855 855 856 856 == 6.1 AT Commands input doesn't work == ... ... @@ -882,6 +882,7 @@ 882 882 883 883 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band 884 884 906 + 885 885 = 8. Packing Info = 886 886 887 887 ... ... @@ -899,6 +899,7 @@ 899 899 900 900 * Weight / pcs : g 901 901 924 + 902 902 = 9. Support = 903 903 904 904