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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... ... @@ -54,8 +54,6 @@ 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 ... ... @@ -101,8 +101,6 @@ 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 ... ... @@ -135,8 +135,6 @@ 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 ... ... @@ -337,8 +337,6 @@ 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 ... ... @@ -564,13 +564,23 @@ 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 - Afterstable, 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** ... ... @@ -598,7 +598,20 @@ 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" %) ... ... @@ -624,8 +624,15 @@ 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 ... ... @@ -647,8 +647,6 @@ 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 ... ... @@ -749,8 +749,6 @@ 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 ... ... @@ -861,8 +861,6 @@ 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 == ... ... @@ -894,8 +894,6 @@ 894 894 895 895 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band 896 896 897 - 898 - 899 899 = 8. Packing Info = 900 900 901 901 ... ... @@ -913,8 +913,6 @@ 913 913 914 914 * Weight / pcs : g 915 915 916 - 917 - 918 918 = 9. Support = 919 919 920 920