Changes for page N95S31B -- NB-IoT Temperature & Humidity Sensor User Manual
Last modified by Mengting Qiu on 2024/04/02 16:44
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... ... @@ -41,6 +41,7 @@ 41 41 42 42 == 1.2 Features == 43 43 44 + 44 44 * NB-IoT Bands: B1/B3/B8/B5/B20/B28 @H-FDD 45 45 * Monitor Temperature & Humidity via SHT31 46 46 * AT Commands to change parameters ... ... @@ -53,8 +53,6 @@ 53 53 * 8500mAh Battery for long term use 54 54 55 55 56 - 57 - 58 58 == 1.3 Specification == 59 59 60 60 ... ... @@ -82,8 +82,6 @@ 82 82 * Max boost current: 2A, 1 second 83 83 84 84 85 - 86 - 87 87 == 1.4 Applications == 88 88 89 89 * Smart Buildings & Home Automation ... ... @@ -132,6 +132,7 @@ 132 132 1. Send an uplink packet 133 133 134 134 132 + 135 135 = 2. Use N95S31B to communicate with IoT Server = 136 136 137 137 == 2.1 How it works == ... ... @@ -378,6 +378,7 @@ 378 378 379 379 380 380 379 + 381 381 === 2.3.1 Payload Analyze === 382 382 383 383 N95S31B uplink payload includes in total 21 bytes ... ... @@ -410,30 +410,43 @@ 410 410 411 411 [[image:1657354294009-643.png]] 412 412 412 +((( 413 +The payload is ASCII string, representative same HEX: 414 +))) 413 413 414 -The payload is ASCII string, representative same HEX: 0x724031607457006e0ccd1b0100dc000ccc00e10186 where: 416 +((( 417 +0x72403155615900640c6c19029200 where: 418 +))) 415 415 416 -* Device ID: 0x724031607457 = 724031607457 417 -* Version: 0x006e=110=1.1.0 420 +* ((( 421 +Device ID: 0x724031556159 = 724031556159 422 +))) 423 +* ((( 424 +Version: 0x0064=100=1.0.0 425 +))) 418 418 419 -* BAT: 0x0ccd = 3277 mV = 3.277V 420 -* Signal: 0x1b = 27 421 -* Model: 0x01 = 1 422 -* 0x00dc000ccc= reserve, ignore in N95S31B 423 -* Temperature by SHT31: 0x00e1 = 225 = 22.5 °C 424 -* Humidity by SHT31: 0x0186 = 390 = 39.0 %rh 425 - 426 -((( 427 - 427 +* ((( 428 +BAT: 0x0c6c = 3180 mV = 3.180V 428 428 ))) 430 +* ((( 431 +Signal: 0x19 = 25 432 +))) 433 +* ((( 434 +Distance: 0x0292= 658 mm 435 +))) 436 +* ((( 437 +Interrupt: 0x00 = 0 429 429 430 -((( 439 + 440 + 431 431 432 432 ))) 433 433 444 +== 2.4 Payload Explanation and Sensor Interface == 434 434 435 -=== 2.3.2 Device ID === 436 436 447 +=== 2.4.1 Device ID === 448 + 437 437 ((( 438 438 By default, the Device ID equal to the last 6 bytes of IMEI. 439 439 ))) ... ... @@ -456,25 +456,20 @@ 456 456 457 457 458 458 459 -=== 2. 3.3Version Info ===471 +=== 2.4.2 Version Info === 460 460 473 +((( 474 +Specify the software version: 0x64=100, means firmware version 1.00. 475 +))) 461 461 462 -These bytes include the hardware and software version. 463 - 464 -Higher byte: Specify hardware version: always 0x00 for N95S31B 465 - 466 -Lower byte: Specify the software version: 0x6E=110, means firmware version 110 467 - 468 - 469 -For example: 0x00 6E: this device is N95S31B with firmware version 110. 470 - 471 471 ((( 472 - 478 +For example: 0x00 64 : this device is NDDS75 with firmware version 1.0.0. 473 473 ))) 474 474 475 475 476 -=== 2.3.4 Battery Info === 477 477 483 +=== 2.4.3 Battery Info === 484 + 478 478 ((( 479 479 Ex1: 0x0B45 = 2885mV 480 480 ))) ... ... @@ -485,7 +485,7 @@ 485 485 486 486 487 487 488 -=== 2. 3.5Signal Strength ===495 +=== 2.4.4 Signal Strength === 489 489 490 490 ((( 491 491 NB-IoT Network signal Strength. ... ... @@ -517,24 +517,83 @@ 517 517 518 518 519 519 520 -=== 2. 3.6Temperature& Humidity===527 +=== 2.4.5 Distance === 521 521 522 - The devicewill beabletogetthe SHT31 temperatureand humiditydatanow and upload to IoT Server.529 +Get the distance. Flat object range 280mm - 7500mm. 523 523 524 -[[image:image-20220709161741-3.png]] 531 +((( 532 +For example, if the data you get from the register is **__0x0B 0x05__**, the distance between the sensor and the measured object is 533 +))) 525 525 535 +((( 536 +((( 537 +(% style="color:blue" %)** 0B05(H) = 2821(D) = 2821mm.** 538 +))) 539 +))) 526 526 527 -Convert the read byte to decimal and divide it by ten. 541 +((( 542 + 543 +))) 528 528 545 +((( 546 + 547 +))) 529 529 530 - **Example:**549 +=== 2.4.6 Digital Interrupt === 531 531 532 -Temperature: Read:00ec (H) = 236(D) Value: 236 /10=23.6℃ 551 +((( 552 +Digital Interrupt refers to pin (% style="color:blue" %)**GPIO_EXTI**(%%), and there are different trigger methods. When there is a trigger, the NDDS75 will send a packet to the server. 553 +))) 533 533 534 -Humidity: Read:0295(H)=661(D) Value: 661 / 10=66.1, So 66.1% 555 +((( 556 +The command is: 557 +))) 535 535 559 +((( 560 +(% style="color:blue" %)**AT+INTMOD=3 **(%%) ~/~/(more info about INMOD please refer [[**AT Command Manual**>>url:https://www.dragino.com/downloads/downloads/NB-IoT/NBSN95/DRAGINO_NBSN95-NB_AT%20Commands_v1.1.0.pdf]])**.** 561 +))) 536 536 537 537 564 +((( 565 +The lower four bits of this data field shows if this packet is generated by interrupt or not. Click here for the hardware and software set up. 566 +))) 567 + 568 + 569 +((( 570 +Example: 571 +))) 572 + 573 +((( 574 +0x(00): Normal uplink packet. 575 +))) 576 + 577 +((( 578 +0x(01): Interrupt Uplink Packet. 579 +))) 580 + 581 + 582 + 583 +=== 2.4.7 +5V Output === 584 + 585 +((( 586 +NDDS75 will enable +5V output before all sampling and disable the +5v after all sampling. 587 +))) 588 + 589 + 590 +((( 591 +The 5V output time can be controlled by AT Command. 592 +))) 593 + 594 +((( 595 +(% style="color:blue" %)**AT+5VT=1000** 596 +))) 597 + 598 +((( 599 +Means set 5V valid time to have 1000ms. So the real 5V output will actually have 1000ms + sampling time for other sensors. 600 +))) 601 + 602 + 603 + 538 538 == 2.5 Downlink Payload == 539 539 540 540 By default, NDDS75 prints the downlink payload to console port. ... ... @@ -587,16 +587,51 @@ 587 587 588 588 589 589 590 -== 2. 5BatteryAnalysis==656 +== 2.6 LED Indicator == 591 591 592 -=== 2.5.1 Battery Type === 593 593 659 +The NDDS75 has an internal LED which is to show the status of different state. 594 594 661 + 662 +* When power on, NDDS75 will detect if sensor probe is connected, if probe detected, LED will blink four times. (no blinks in this step is no probe) 663 +* Then the LED will be on for 1 second means device is boot normally. 664 +* After NDDS75 join NB-IoT network. The LED will be ON for 3 seconds. 665 +* For each uplink probe, LED will be on for 500ms. 666 + 595 595 ((( 596 - TheN95S31B battery is a combination of an 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is none-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter.668 + 597 597 ))) 598 598 671 + 672 + 673 +== 2.7 Firmware Change Log == 674 + 675 + 599 599 ((( 677 +Download URL & Firmware Change log 678 +))) 679 + 680 +((( 681 +[[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/NDDS75/Firmware/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/NDDS75/Firmware/]] 682 +))) 683 + 684 + 685 +((( 686 +Upgrade Instruction: [[Upgrade_Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]] 687 +))) 688 + 689 + 690 + 691 +== 2.8 Battery Analysis == 692 + 693 +=== 2.8.1 Battery Type === 694 + 695 + 696 +((( 697 +The NDDS75 battery is a combination of an 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is none-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter. 698 +))) 699 + 700 +((( 600 600 The battery is designed to last for several years depends on the actually use environment and update interval. 601 601 ))) 602 602 ... ... @@ -614,35 +614,56 @@ 614 614 615 615 616 616 617 -=== 2. 5.2 Power consumption Analyze ===718 +=== 2.8.2 Power consumption Analyze === 618 618 619 619 ((( 620 - The file**DRAGINO_N95S31B-Power-Analyzer.pdf**from [[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/N95S31B/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/N95S31B/]] describesadetailmeasurementtoanalyzethepowerconsumption indifferentcase. User can useitfordesignguideline fortheirproject.721 +Dragino battery powered product are all runs in Low Power mode. We have an update battery calculator which base on the measurement of the real device. User can use this calculator to check the battery life and calculate the battery life if want to use different transmit interval. 621 621 ))) 622 622 724 + 623 623 ((( 624 - 726 +Instruction to use as below: 625 625 ))) 626 626 729 +((( 730 +(% style="color:blue" %)**Step 1: **(%%)Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/]] 731 +))) 627 627 628 -=== 2.5.3 Battery Note === 629 629 630 630 ((( 631 - TheLi-SICO batteryis designed for small current / long period application. It is not good tousea high current, short periodtransmitmethod.Therecommendedminimum period for use ofthisbattery is 5 minutes.If you use a shorter period time to uplink data, then the battery life may be decreased.735 +(% style="color:blue" %)**Step 2: **(%%) Open it and choose 632 632 ))) 633 633 738 +* ((( 739 +Product Model 740 +))) 741 +* ((( 742 +Uplink Interval 743 +))) 744 +* ((( 745 +Working Mode 746 +))) 634 634 748 +((( 749 +And the Life expectation in difference case will be shown on the right. 750 +))) 635 635 636 - === 2.5.4 Replacethe battery ===752 +[[image:image-20220709110451-3.png]] 637 637 638 638 755 + 756 +=== 2.8.3 Battery Note === 757 + 639 639 ((( 640 - You can changethebattery intheN95S31B.Thetype ofbatteryis notlimitedaslongas theutput isbetween3vto3.6v.Onthemainboard,there isa diode(D1)betweenthebatteryandthemaincircuit. If youneed touse abatterywith less than 3.3v,pleaseremove the D1 andshortcut the twopadsofitso there won'tbe voltagedropbetween batteryandmainboard.759 +The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to transmit LoRa, then the battery life may be decreased. 641 641 ))) 642 642 643 643 763 + 764 +=== 2.8.4 Replace the battery === 765 + 644 644 ((( 645 -The default battery pack of N 95S31Bincludes a ER26500 plus super capacitor. If user can't find this pack locally, they can find ER26500 or equivalence without the SPC1520 capacitor, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes).767 +The default battery pack of NDDS75 includes a ER26500 plus super capacitor. If user can't find this pack locally, they can find ER26500 or equivalence without the SPC1520 capacitor, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes). 646 646 ))) 647 647 648 648