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.
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