Changes for page SPH01-LB -- LoRaWAN Soil pH Sensor User Manual
Last modified by Xiaoling on 2024/01/15 09:36
Summary
-
Page properties (1 modified, 0 added, 0 removed)
-
Attachments (0 modified, 1 added, 0 removed)
Details
- Page properties
-
- Content
-
... ... @@ -108,6 +108,8 @@ 108 108 109 109 * Smart Agriculture 110 110 111 + 112 + 111 111 == 1.5 Sleep mode and working mode == 112 112 113 113 ... ... @@ -152,13 +152,9 @@ 152 152 If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode. 153 153 154 154 155 -== 1.8 Pin Definitions==157 +== 1.8 Mechanical == 156 156 157 157 158 - 159 -== 1.9 Mechanical == 160 - 161 - 162 162 [[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143884058-338.png]] 163 163 164 164 ... ... @@ -330,7 +330,6 @@ 330 330 Valid Message Type: 331 331 ))) 332 332 333 - 334 334 (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:496px" %) 335 335 |=(% style="width: 160px;background-color:#D9E2F3;color:#0070C0" %)**Message Type Code**|=(% style="width: 163px;background-color:#D9E2F3;color:#0070C0" %)**Description**|=(% style="width: 173px;background-color:#D9E2F3;color:#0070C0" %)**Payload** 336 336 |(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)[[Normal Uplink Payload>>||anchor="H2.3200BUplinkPayload"]] ... ... @@ -344,7 +344,6 @@ 344 344 345 345 While using TTN network, you can add the payload format to decode the payload. 346 346 347 - 348 348 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSPH01-LoRaWAN%20Soil%20pH%20Sensor%20User%20Manual/WebHome/1654592762713-715.png?rev=1.1||alt="1654592762713-715.png"]] 349 349 350 350 ((( ... ... @@ -565,12 +565,23 @@ 565 565 == 2.7 Calibration == 566 566 567 567 564 +(% style="color:blue" %)**Step1 :**(%%)** Clean probe** 565 + 566 +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. 567 + 568 +(% style="color:blue" %)**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 +(% 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** 574 + 575 + 576 +(% style="color:blue" %)**Step3 :**(%%)** The numerically stable sensors were calibrated using commands** 570 570 ))) 571 571 572 572 ((( 573 - Afterstable, user can use below command to calibrate.580 + 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 +598,19 @@ 598 598 ))) 599 599 ))) 600 600 608 +To use the AT COMMAND, refer to this link: 601 601 610 +* AT Command via Bluetooth Connection (**Recommended**): [[BLE Configure Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]]. 611 + 612 +* 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]]. 613 + 614 +To use Downlink, take TTN as an example, please refer to this link: 615 + 616 +* LoRaWAN Downlink. Instruction for different platforms: See [[IoT LoRaWAN Server>>url:http://wiki.dragino.com/xwiki/bin/view/Main/]] section. 617 + 618 +When the command is successfully used, the node sends a uplink. 619 +This is the payload for uplink 620 + 602 602 (% style="color:#037691" %)**Calibration Payload** 603 603 604 604 (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:500px" %) ... ... @@ -624,8 +624,13 @@ 624 624 625 625 * Reply to non-confirmed packet: 14 00 626 626 646 +(% 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.** 627 627 648 +Examples: 649 +After using the command AT+PH=9 in 9.18ph buffer 650 +The readout returned by the sensor in 9.18ph buffer should be pH=9 628 628 652 + 629 629 == 2.8 Frequency Plans == 630 630 631 631
- image-20240105101301-1.jpeg
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +96.9 KB - Content