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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... ... @@ -54,7 +54,6 @@ 54 54 * Downlink to change configure 55 55 * 8500mAh Battery for long term use 56 56 57 - 58 58 == 1.3 Specification == 59 59 60 60 ... ... @@ -100,7 +100,6 @@ 100 100 * Sleep Mode: 5uA @ 3.3v 101 101 * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm 102 102 103 - 104 104 == 1.4 Applications == 105 105 106 106 ... ... @@ -133,7 +133,6 @@ 133 133 ))) 134 134 |(% 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. 135 135 136 - 137 137 == 1.7 BLE connection == 138 138 139 139 ... ... @@ -334,7 +334,6 @@ 334 334 |(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)[[Configure Info Payload>>||anchor="H3.4GetFirmwareVersionInfo"]] 335 335 |(% style="width:160px" %)0x03|(% style="width:163px" %)Reply Calibration Info|(% style="width:173px" %)[[Calibration Payload>>||anchor="H2.7Calibration"]] 336 336 337 - 338 338 === 2.3.7 Decode payload in The Things Network === 339 339 340 340 ... ... @@ -560,18 +560,20 @@ 560 560 561 561 == 2.7 Calibration == 562 562 563 -Step1 : Clean probe 564 564 565 -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 - 560 +(% style="color:blue" %)**Step1 :(%%) Clean probe** 567 567 568 - Step2 : Immersethe sensor inphbuffer solution tomakethe sensorvaluesstable562 +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. 569 569 564 +(% style="color:blue" %)**Step2 :(%%) Immerse the sensor in ph buffer solution to make the sensor values stable** 565 + 570 570 ((( 571 571 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). 572 572 569 +(% style="color:red" %)**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** 573 573 574 -Step3 : The numerically stable sensors were calibrated using commands 571 + 572 +(% style="color:blue" %)**Step3 :(%%) The numerically stable sensors were calibrated using commands** 575 575 ))) 576 576 577 577 ((( ... ... @@ -603,7 +603,16 @@ 603 603 ))) 604 604 ))) 605 605 604 +To use the AT COMMAND, refer to this link: 606 606 606 +* AT Command via Bluetooth Connection (**Recommended**): [[BLE Configure Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]]. 607 + 608 +* 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]]. 609 + 610 +To use Downlink, take TTN as an example, please refer to this link: 611 + 612 +* LoRaWAN Downlink. Instruction for different platforms: See [[IoT LoRaWAN Server>>url:http://wiki.dragino.com/xwiki/bin/view/Main/]] section. 613 + 607 607 When the command is successfully used, the node sends a uplink. 608 608 This is the payload for uplink 609 609 ... ... @@ -632,12 +632,13 @@ 632 632 633 633 * Reply to non-confirmed packet: 14 00 634 634 642 +(% style="color:blue" %)**Step4:(%%)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.** 635 635 636 -Step4: 644 +Examples: 645 +After using the command AT+PH=9 in 9.18ph buffer 646 +The readout returned by the sensor in 9.18ph buffer should be pH=9 637 637 638 -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 639 639 640 - 641 641 == 2.8 Frequency Plans == 642 642 643 643 ... ... @@ -659,7 +659,6 @@ 659 659 660 660 * LoRaWAN Downlink. Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section. 661 661 662 - 663 663 == 3.2 General Commands == 664 664 665 665 ... ... @@ -760,7 +760,6 @@ 760 760 761 761 * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 762 762 763 - 764 764 === 3.3.3 Calibrate Sensor === 765 765 766 766 ... ... @@ -871,7 +871,6 @@ 871 871 872 872 * 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]]**. 873 873 874 - 875 875 = 6. FAQ = 876 876 877 877 == 6.1 AT Commands input doesn't work == ... ... @@ -903,7 +903,6 @@ 903 903 904 904 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band 905 905 906 - 907 907 = 8. Packing Info = 908 908 909 909 ... ... @@ -921,7 +921,6 @@ 921 921 922 922 * Weight / pcs : g 923 923 924 - 925 925 = 9. Support = 926 926 927 927