Changes for page SN50v3-LB/LS -- LoRaWAN Sensor Node User Manual
Last modified by Bei Jinggeng on 2025/01/10 15:51
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... ... @@ -30,6 +30,7 @@ 30 30 31 31 == 1.2 Features == 32 32 33 + 33 33 * LoRaWAN 1.0.3 Class A 34 34 * Ultra-low power consumption 35 35 * Open-Source hardware/software ... ... @@ -40,6 +40,7 @@ 40 40 * Downlink to change configure 41 41 * 8500mAh Battery for long term use 42 42 44 + 43 43 == 1.3 Specification == 44 44 45 45 ... ... @@ -77,6 +77,7 @@ 77 77 * Sleep Mode: 5uA @ 3.3v 78 78 * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm 79 79 82 + 80 80 == 1.4 Sleep mode and working mode == 81 81 82 82 ... ... @@ -104,6 +104,7 @@ 104 104 ))) 105 105 |(% 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. 106 106 110 + 107 107 == 1.6 BLE connection == 108 108 109 109 ... ... @@ -289,6 +289,7 @@ 289 289 1. All modes share the same Payload Explanation from HERE. 290 290 1. By default, the device will send an uplink message every 20 minutes. 291 291 296 + 292 292 ==== 2.3.2.1 MOD~=1 (Default Mode) ==== 293 293 294 294 ... ... @@ -295,7 +295,7 @@ 295 295 In this mode, uplink payload includes in total 11 bytes. Uplink packets use FPORT=2. 296 296 297 297 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %) 298 -|(% style=" width:50px;background-color:#D9E2F3;color:#0070C0" %)**Size(bytes)**|(% style="width:20px;background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="width:100px;background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="width:40px;background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="width:90px;background-color:#D9E2F3;color:#0070C0" %)**1**|(% style="width:130px;background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="width:90px;background-color:#D9E2F3;color:#0070C0" %)**2**303 +|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0; width:20px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:100px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:90px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:130px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:90px" %)**2** 299 299 |**Value**|Bat|(% style="width:191px" %)((( 300 300 Temperature(DS18B20)(PC13) 301 301 )))|(% style="width:78px" %)((( ... ... @@ -311,12 +311,14 @@ 311 311 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220627150949-6.png?rev=1.1||alt="image-20220627150949-6.png"]] 312 312 313 313 319 + 314 314 ==== 2.3.2.2 MOD~=2 (Distance Mode) ==== 315 315 322 + 316 316 This mode is target to measure the distance. The payload of this mode is totally 11 bytes. The 8^^th^^ and 9^^th^^ bytes is for the distance. 317 317 318 318 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %) 319 -|(% style=" width:40px;background-color:#D9E2F3;color:#0070C0" %)**Size(bytes)**|(% style="width:40px;background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="width:110px;background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="width:40px;background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="width:110px;background-color:#D9E2F3;color:#0070C0" %)**1**|(% style="width:140px;background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="width:40px;background-color:#D9E2F3;color:#0070C0" %)**2**326 +|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:110px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:110px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:140px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)**2** 320 320 |**Value**|BAT|(% style="width:196px" %)((( 321 321 Temperature(DS18B20)(PC13) 322 322 )))|(% style="width:87px" %)((( ... ... @@ -330,10 +330,12 @@ 330 330 331 331 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/1656324539647-568.png?rev=1.1||alt="1656324539647-568.png"]] 332 332 340 + 333 333 (% style="color:blue" %)**Connection of LIDAR-Lite V3HP:** 334 334 335 335 [[image:image-20230512173758-5.png||height="563" width="712"]] 336 336 345 + 337 337 (% style="color:blue" %)**Connection to Ultrasonic Sensor:** 338 338 339 339 Need to remove R1 and R2 resistors to get low power,otherwise there will be 240uA standby current. ... ... @@ -340,10 +340,11 @@ 340 340 341 341 [[image:image-20230512173903-6.png||height="596" width="715"]] 342 342 352 + 343 343 For the connection to TF-Mini or TF-Luna , MOD2 payload is as below: 344 344 345 345 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %) 346 -|(% style=" width:50px;background-color:#D9E2F3;color:#0070C0" %)**Size(bytes)**|(% style="width:20px;background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="width:100px;background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="width:100px;background-color:#D9E2F3;color:#0070C0" %)**1**|(% style="width:50px;background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="width:120px;background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="width:80px;background-color:#D9E2F3;color:#0070C0" %)**2**356 +|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0; width:20px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:100px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:100px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:120px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:80px" %)**2** 347 347 |**Value**|BAT|(% style="width:183px" %)((( 348 348 Temperature(DS18B20)(PC13) 349 349 )))|(% style="width:173px" %)((( ... ... @@ -358,6 +358,7 @@ 358 358 359 359 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/1656376779088-686.png?rev=1.1||alt="1656376779088-686.png"]] 360 360 371 + 361 361 **Connection to [[TF-Mini plus>>url:http://en.benewake.com/product/detail/5c345cd0e5b3a844c472329b.html]] LiDAR(UART version):** 362 362 363 363 Need to remove R3 and R4 resistors to get low power,otherwise there will be 400uA standby current. ... ... @@ -364,6 +364,7 @@ 364 364 365 365 [[image:image-20230512180609-7.png||height="555" width="802"]] 366 366 378 + 367 367 **Connection to [[TF-Luna>>url:http://en.benewake.com/product/detail/5e1c1fd04d839408076b6255.html]] LiDAR (UART version):** 368 368 369 369 Need to remove R3 and R4 resistors to get low power,otherwise there will be 400uA standby current. ... ... @@ -373,6 +373,7 @@ 373 373 374 374 ==== 2.3.2.3 MOD~=3 (3 ADC + I2C) ==== 375 375 388 + 376 376 This mode has total 12 bytes. Include 3 x ADC + 1x I2C 377 377 378 378 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %) ... ... @@ -402,7 +402,7 @@ 402 402 This mode has total 11 bytes. As shown below: 403 403 404 404 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %) 405 -|(% style=" width: 50px;background-color:#D9E2F3;color:#0070C0" %)**Size(bytes)**|(% style="width: 20px;background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="width: 100px;background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="width: 100px;background-color:#D9E2F3;color:#0070C0" %)**1**|(% style="width: 100px;background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="width: 100px;background-color:#D9E2F3;color:#0070C0" %)**2**418 +|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0; width:20px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:100px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:100px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:100px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:100px" %)**2** 406 406 |**Value**|BAT|(% style="width:186px" %)((( 407 407 Temperature1(DS18B20)(PC13) 408 408 )))|(% style="width:82px" %)((( ... ... @@ -417,8 +417,10 @@ 417 417 [[image:image-20230513134006-1.png||height="559" width="736"]] 418 418 419 419 433 + 420 420 ==== 2.3.2.5 MOD~=5(Weight Measurement by HX711) ==== 421 421 436 + 422 422 [[image:image-20230512164658-2.png||height="532" width="729"]] 423 423 424 424 Each HX711 need to be calibrated before used. User need to do below two steps: ... ... @@ -454,8 +454,10 @@ 454 454 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220820120036-2.png?width=1003&height=469&rev=1.1||alt="image-20220820120036-2.png" height="469" width="1003"]] 455 455 456 456 472 + 457 457 ==== 2.3.2.6 MOD~=6 (Counting Mode) ==== 458 458 475 + 459 459 In this mode, the device will work in counting mode. It counts the interrupt on the interrupt pins and sends the count on TDC time. 460 460 461 461 Connection is as below. The PIR sensor is a count sensor, it will generate interrupt when people come close or go away. User can replace the PIR sensor with other counting sensors. ... ... @@ -462,7 +462,7 @@ 462 462 463 463 [[image:image-20230512181814-9.png||height="543" width="697"]] 464 464 465 -(% style="color:red" %)**Note:** 482 +(% style="color:red" %)**Note:** **LoRaWAN wireless transmission will infect the PIR sensor. Which cause the counting value increase +1 for every uplink. User can change PIR sensor or put sensor away of the SN50_v3 to avoid this happen.** 466 466 467 467 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %) 468 468 |=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)**Size(bytes)**|=(% style="width: 20px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 220px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 100px;background-color:#D9E2F3;color:#0070C0" %)**1**|=(% style="width: 80px;background-color:#D9E2F3;color:#0070C0" %)**4** ... ... @@ -479,8 +479,10 @@ 479 479 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/1656378441509-171.png?rev=1.1||alt="1656378441509-171.png"]] 480 480 481 481 499 + 482 482 ==== 2.3.2.7 MOD~=7 (Three interrupt contact modes) ==== 483 483 502 + 484 484 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %) 485 485 |=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)((( 486 486 **Size(bytes)** ... ... @@ -496,8 +496,10 @@ 496 496 497 497 [[image:image-20230513111203-7.png||height="324" width="975"]] 498 498 518 + 499 499 ==== 2.3.2.8 MOD~=8 （3ADC+1DS18B20） ==== 500 500 521 + 501 501 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %) 502 502 |=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)((( 503 503 **Size(bytes)** ... ... @@ -520,6 +520,7 @@ 520 520 521 521 ==== 2.3.2.9 MOD~=9 (3DS18B20+ two Interrupt count mode) ==== 522 522 544 + 523 523 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %) 524 524 |=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)((( 525 525 **Size(bytes)** ... ... @@ -544,24 +544,25 @@ 544 544 545 545 [[image:image-20230513111255-9.png||height="341" width="899"]] 546 546 547 -**The newly added AT command is issued correspondingly:** 569 +(% style="color:blue" %)**The newly added AT command is issued correspondingly:** 548 548 549 -** ~AT+INTMOD1****PA8** pin： Corresponding downlink: **06 00 00 xx**571 +(% style="color:#037691" %)** AT+INTMOD1 PA8**(%%) pin： Corresponding downlink: (% style="color:#037691" %)**06 00 00 xx** 550 550 551 -** ~AT+INTMOD2** **PA4** pin： Corresponding downlink:**06 00 01 xx**573 +(% style="color:#037691" %)** AT+INTMOD2 PA4**(%%) pin： Corresponding downlink: (% style="color:#037691" %)**06 00 01 xx** 552 552 553 -** ~AT+INTMOD3****PB15** pin： Corresponding downlink: ** 06 00 02 xx**575 +(% style="color:#037691" %)** AT+INTMOD3 PB15**(%%) pin： Corresponding downlink: (% style="color:#037691" %)** 06 00 02 xx** 554 554 555 -**AT+SETCNT=aa,bb** 556 556 578 +(% style="color:blue" %)**AT+SETCNT=aa,bb** 579 + 557 557 When AA is 1, set the count of PA8 pin to BB Corresponding downlink：09 01 bb bb bb bb 558 558 559 559 When AA is 2, set the count of PA4 pin to BB Corresponding downlink：09 02 bb bb bb bb 560 560 561 561 562 - 563 563 === 2.3.3 Decode payload === 564 564 587 + 565 565 While using TTN V3 network, you can add the payload format to decode the payload. 566 566 567 567 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/1656378466788-734.png?rev=1.1||alt="1656378466788-734.png"]] ... ... @@ -573,6 +573,7 @@ 573 573 574 574 ==== 2.3.3.1 Battery Info ==== 575 575 599 + 576 576 Check the battery voltage for SN50v3. 577 577 578 578 Ex1: 0x0B45 = 2885mV ... ... @@ -582,16 +582,18 @@ 582 582 583 583 ==== 2.3.3.2 Temperature (DS18B20) ==== 584 584 609 + 585 585 If there is a DS18B20 connected to PC13 pin. The temperature will be uploaded in the payload. 586 586 587 -More DS18B20 can check the [[3 DS18B20 mode>> url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/#2.3.4MOD3D4283xDS18B2029]]612 +More DS18B20 can check the [[3 DS18B20 mode>>||anchor="H2.3.2.4MOD3D4283xDS18B2029"]] 588 588 589 -**Connection:** 614 +(% style="color:blue" %)**Connection:** 590 590 591 591 [[image:image-20230512180718-8.png||height="538" width="647"]] 592 592 593 -**Example**: 594 594 619 +(% style="color:blue" %)**Example**: 620 + 595 595 If payload is: 0105H: (0105 & 8000 == 0), temp = 0105H /10 = 26.1 degree 596 596 597 597 If payload is: FF3FH : (FF3F & 8000 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees. ... ... @@ -601,6 +601,7 @@ 601 601 602 602 ==== 2.3.3.3 Digital Input ==== 603 603 630 + 604 604 The digital input for pin PB15, 605 605 606 606 * When PB15 is high, the bit 1 of payload byte 6 is 1. ... ... @@ -610,11 +610,14 @@ 610 610 ((( 611 611 When the digital interrupt pin is set to AT+INTMODx=0, this pin is used as a digital input pin. 612 612 613 -(% style="color:red" %)**Note:**The maximum voltage input supports 3.6V. 640 +(% style="color:red" %)**Note: The maximum voltage input supports 3.6V.** 641 + 642 + 614 614 ))) 615 615 616 616 ==== 2.3.3.4 Analogue Digital Converter (ADC) ==== 617 617 647 + 618 618 The measuring range of the ADC is only about 0V to 1.1V The voltage resolution is about 0.24mv. 619 619 620 620 When the measured output voltage of the sensor is not within the range of 0V and 1.1V, the output voltage terminal of the sensor shall be divided The example in the following figure is to reduce the output voltage of the sensor by three times If it is necessary to reduce more times, calculate according to the formula in the figure and connect the corresponding resistance in series. ... ... @@ -621,17 +621,19 @@ 621 621 622 622 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/WebHome/image-20220628150112-1.png?width=285&height=241&rev=1.1||alt="image-20220628150112-1.png" height="241" width="285"]] 623 623 624 -(% style="color:red" %)**Note: **If the ADC type sensor needs to be powered by SN50_v3, it is recommended to use +5V to control its switch.Only sensors with low power consumption can be powered with VDD.654 +(% style="color:red" %)**Note: If the ADC type sensor needs to be powered by SN50_v3, it is recommended to use +5V to control its switch.Only sensors with low power consumption can be powered with VDD.** 625 625 626 626 627 627 ==== 2.3.3.5 Digital Interrupt ==== 628 628 659 + 629 629 Digital Interrupt refers to pin PA8, and there are different trigger methods. When there is a trigger, the SN50v3 will send a packet to the server. 630 630 631 -(% style="color:blue" %)** ~Interrupt connection method:**662 +(% style="color:blue" %)** Interrupt connection method:** 632 632 633 633 [[image:image-20230513105351-5.png||height="147" width="485"]] 634 634 666 + 635 635 (% style="color:blue" %)**Example to use with door sensor :** 636 636 637 637 The door sensor is shown at right. It is a two wire magnetic contact switch used for detecting the open/close status of doors or windows. ... ... @@ -640,8 +640,9 @@ 640 640 641 641 When the two pieces are close to each other, the 2 wire output will be short or open (depending on the type), while if the two pieces are away from each other, the 2 wire output will be the opposite status. So we can use SN50_v3 interrupt interface to detect the status for the door or window. 642 642 643 -(% style="color:blue" %)**~ Below is the installation example:** 644 644 676 +(% style="color:blue" %)**Below is the installation example:** 677 + 645 645 Fix one piece of the magnetic sensor to the door and connect the two pins to SN50_v3 as follows: 646 646 647 647 * ((( ... ... @@ -653,7 +653,7 @@ 653 653 654 654 Install the other piece to the door. Find a place where the two pieces will be close to each other when the door is closed. For this particular magnetic sensor, when the door is closed, the output will be short, and PA8 will be at the VCC voltage. 655 655 656 -Door sensors have two types: ** NC (Normal close)** and **NO (normal open)**. The connection for both type sensors are the same. But the decoding for payload are reverse, user need to modify this in the IoT Server decoder. 689 +Door sensors have two types: (% style="color:blue" %)** NC (Normal close)**(%%) and (% style="color:blue" %)**NO (normal open)**(%%). The connection for both type sensors are the same. But the decoding for payload are reverse, user need to modify this in the IoT Server decoder. 657 657 658 658 When door sensor is shorted, there will extra power consumption in the circuit, the extra current is 3v3/R14 = 3v3/1Mohm = 3uA which can be ignored. 659 659 ... ... @@ -665,7 +665,7 @@ 665 665 666 666 The command is: 667 667 668 -(% style="color:blue" %)**AT+INTMOD1=1 701 +(% style="color:blue" %)**AT+INTMOD1=1 ** (%%) ~/~/(more info about INMOD please refer** **[[**AT Command Manual**>>url:http://www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/&file=DRAGINO_LSN50_AT_Commands_v1.5.1.pdf]]**. **) 669 669 670 670 Below shows some screen captures in TTN V3: 671 671 ... ... @@ -706,7 +706,7 @@ 706 706 707 707 ==== 2.3.3.7 Distance Reading ==== 708 708 709 -Refer [[Ultrasonic Sensor section>> url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/#H2.4.8UltrasonicSensor]].742 +Refer [[Ultrasonic Sensor section>>||anchor="H2.3.3.8UltrasonicSensor"]]. 710 710 711 711 712 712 ==== 2.3.3.8 Ultrasonic Sensor ==== ... ... @@ -715,13 +715,13 @@ 715 715 716 716 The SN50_v3 detects the pulse width of the sensor and converts it to mm output. The accuracy will be within 1 centimeter. The usable range (the distance between the ultrasonic probe and the measured object) is between 24cm and 600cm. 717 717 718 -The working principle of this sensor is similar to the **HC-SR04** ultrasonic sensor. 751 +The working principle of this sensor is similar to the (% style="color:blue" %)**HC-SR04**(%%) ultrasonic sensor. 719 719 720 720 The picture below shows the connection: 721 721 722 722 [[image:image-20230512173903-6.png||height="596" width="715"]] 723 723 724 -Connect to the SN50_v3 and run **AT+MOD=2** to switch to ultrasonic mode (ULT). 757 +Connect to the SN50_v3 and run (% style="color:blue" %)**AT+MOD=2**(%%) to switch to ultrasonic mode (ULT). 725 725 726 726 The ultrasonic sensor uses the 8^^th^^ and 9^^th^^ byte for the measurement value. 727 727 ... ... @@ -777,8 +777,6 @@ 777 777 * 7: MOD8 778 778 * 8: MOD9 779 779 780 - 781 - 782 782 == 2.4 Payload Decoder file == 783 783 784 784 ... ... @@ -855,8 +855,6 @@ 855 855 * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds 856 856 * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds 857 857 858 - 859 - 860 860 === 3.3.2 Get Device Status === 861 861 862 862 Send a LoRaWAN downlink to ask the device to send its status. ... ... @@ -904,8 +904,6 @@ 904 904 * Example 3: Downlink Payload: 06000102 **~-~-->** AT+INTMOD2=2 905 905 * Example 4: Downlink Payload: 06000201 **~-~-->** AT+INTMOD3=1 906 906 907 - 908 - 909 909 === 3.3.4 Set Power Output Duration === 910 910 911 911 Control the output duration 5V . Before each sampling, device will ... ... @@ -937,8 +937,6 @@ 937 937 * Example 1: Downlink Payload: 070000 **~-~-->** AT+5VT=0 938 938 * Example 2: Downlink Payload: 0701F4 **~-~-->** AT+5VT=500 939 939 940 - 941 - 942 942 === 3.3.5 Set Weighing parameters === 943 943 944 944 Feature: Working mode 5 is effective, weight initialization and weight factor setting of HX711. ... ... @@ -963,8 +963,6 @@ 963 963 * Example 2: Downlink Payload: 08020FA3 **~-~-->** AT+WEIGAP=400.3 964 964 * Example 3: Downlink Payload: 08020FA0 **~-~-->** AT+WEIGAP=400.0 965 965 966 - 967 - 968 968 === 3.3.6 Set Digital pulse count value === 969 969 970 970 Feature: Set the pulse count value. ... ... @@ -987,8 +987,6 @@ 987 987 * Example 1: Downlink Payload: 090100000000 **~-~-->** AT+SETCNT=1,0 988 988 * Example 2: Downlink Payload: 0902000003E8 **~-~-->** AT+SETCNT=2,1000 989 989 990 - 991 - 992 992 === 3.3.7 Set Workmode === 993 993 994 994 Feature: Switch working mode. ... ... @@ -1012,8 +1012,6 @@ 1012 1012 * Example 1: Downlink Payload: 0A01 **~-~-->** AT+MOD=1 1013 1013 * Example 2: Downlink Payload: 0A04 **~-~-->** AT+MOD=4 1014 1014 1015 - 1016 - 1017 1017 = 4. Battery & Power Consumption = 1018 1018 1019 1019