Changes for page SPH01-LB -- LoRaWAN Soil pH Sensor User Manual
Last modified by Xiaoling on 2024/01/15 09:36
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... ... @@ -54,6 +54,7 @@ 54 54 * Downlink to change configure 55 55 * 8500mAh Battery for long term use 56 56 57 + 57 57 == 1.3 Specification == 58 58 59 59 ... ... @@ -99,6 +99,7 @@ 99 99 * Sleep Mode: 5uA @ 3.3v 100 100 * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm 101 101 103 + 102 102 == 1.4 Applications == 103 103 104 104 ... ... @@ -131,6 +131,7 @@ 131 131 ))) 132 132 |(% 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. 133 133 136 + 134 134 == 1.7 BLE connection == 135 135 136 136 ... ... @@ -331,6 +331,7 @@ 331 331 |(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)[[Configure Info Payload>>||anchor="H3.4GetFirmwareVersionInfo"]] 332 332 |(% style="width:160px" %)0x03|(% style="width:163px" %)Reply Calibration Info|(% style="width:173px" %)[[Calibration Payload>>||anchor="H2.7Calibration"]] 333 333 337 + 334 334 === 2.3.7 Decode payload in The Things Network === 335 335 336 336 ... ... @@ -556,13 +556,22 @@ 556 556 557 557 == 2.7 Calibration == 558 558 563 +Step1 : Clean probe 559 559 565 +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 + 560 560 ((( 561 561 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 562 562 ))) 563 563 564 564 ((( 565 - Afterstable, user can use below command to calibrate.578 + User can use below command to calibrate. 566 566 567 567 (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:520px" %) 568 568 |(% 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** ... ... @@ -591,6 +591,9 @@ 591 591 ))) 592 592 593 593 607 +When the command is successfully used, the node sends a uplink. 608 +This is the payload for uplink 609 + 594 594 (% style="color:#037691" %)**Calibration Payload** 595 595 596 596 (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:500px" %) ... ... @@ -616,6 +616,12 @@ 616 616 617 617 * Reply to non-confirmed packet: 14 00 618 618 635 + 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 + 619 619 == 2.8 Frequency Plans == 620 620 621 621 ... ... @@ -637,6 +637,7 @@ 637 637 638 638 * LoRaWAN Downlink. Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section. 639 639 662 + 640 640 == 3.2 General Commands == 641 641 642 642 ... ... @@ -737,6 +737,7 @@ 737 737 738 738 * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 739 739 763 + 740 740 === 3.3.3 Calibrate Sensor === 741 741 742 742 ... ... @@ -847,6 +847,7 @@ 847 847 848 848 * 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]]**. 849 849 874 + 850 850 = 6. FAQ = 851 851 852 852 == 6.1 AT Commands input doesn't work == ... ... @@ -878,6 +878,7 @@ 878 878 879 879 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band 880 880 906 + 881 881 = 8. Packing Info = 882 882 883 883 ... ... @@ -895,6 +895,7 @@ 895 895 896 896 * Weight / pcs : g 897 897 924 + 898 898 = 9. Support = 899 899 900 900