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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... ... @@ -587,12 +587,47 @@ 587 587 588 588 589 589 590 -== 2. 5BatteryAnalysis==590 +== 2.6 LED Indicator == 591 591 592 -=== 2.5.1 Battery Type === 593 593 593 +The NDDS75 has an internal LED which is to show the status of different state. 594 594 595 + 596 +* 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) 597 +* Then the LED will be on for 1 second means device is boot normally. 598 +* After NDDS75 join NB-IoT network. The LED will be ON for 3 seconds. 599 +* For each uplink probe, LED will be on for 500ms. 600 + 595 595 ((( 602 + 603 +))) 604 + 605 + 606 + 607 +== 2.7 Firmware Change Log == 608 + 609 + 610 +((( 611 +Download URL & Firmware Change log 612 +))) 613 + 614 +((( 615 +[[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/]] 616 +))) 617 + 618 + 619 +((( 620 +Upgrade Instruction: [[Upgrade_Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]] 621 +))) 622 + 623 + 624 + 625 +== 2.8 Battery Analysis == 626 + 627 +=== 2.8.1 Battery Type === 628 + 629 + 630 +((( 596 596 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. 597 597 ))) 598 598 ... ... @@ -614,7 +614,7 @@ 614 614 615 615 616 616 617 -=== 2. 5.2 Power consumption Analyze ===652 +=== 2.8.2 Power consumption Analyze === 618 618 619 619 ((( 620 620 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. ... ... @@ -652,7 +652,7 @@ 652 652 653 653 654 654 655 -=== 2. 5.3 Battery Note ===690 +=== 2.8.3 Battery Note === 656 656 657 657 ((( 658 658 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. ... ... @@ -660,7 +660,7 @@ 660 660 661 661 662 662 663 -=== 2. 5.4 Replace the battery ===698 +=== 2.8.4 Replace the battery === 664 664 665 665 ((( 666 666 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).