ELTEC Capsule Sensor V3 User Manual

July 5, 2024
ELTEC

ELTEC Capsule Sensor V3

ELTEC-Capsule-Sensor-V3-PRODUCT

Product Specifications

  • Product Name: Capsule Sensor V3
  • Type: Tiny fun IoT Device
  • Manufacturer: Chengdu Heltec Automation Technology Co., Ltd.
  • Website: https://heltec.org
  • Device Dimensions: Small, portable design
  • Technology: LoRa/LoRaWAN, ESP32-S3, SX1262
  • Battery: 250mA rechargeable battery
  • Features: Waterproof, WirelessBoot technology

Product Usage Instructions

Overview:

The Capsule Sensor V3 is a tiny portable LoRa/LoRaWAN device that is based on ESP32-S3 and SX1262. Its modular design allows it to adapt to different sensors, enabling users to easily build applications without requiring expertise in IoT.

Features

  • Small and stylish design
  • Waterproof
  • 250mA rechargeable battery
  • Suitable for complex environments
  • Compatible with open-source programs like Meshtastic

Product Variants:

The Capsule Sensor V3 is available in two product variants:

No. Model Description
1 Capsule Sensor – 433 For 433MHz LoRa frequency
2 Capsule Sensor – 470to510 For 470~510MHz working LoRa frequency, used for

China mainland
(CN470) LPW band. For EU868, IN865 and other LPW networks.

Frequently Asked Questions

Q: Can the Capsule Sensor V3 be used with third-party sensors?

A: Yes, the modular design of the Capsule Sensor V3 allows it to adapt to different sensors, making it compatible with third-party sensors.

Q: Is the Capsule Sensor V3 suitable for outdoor use?

A: Yes, the Capsule Sensor V3 is waterproof and has a rechargeable battery, making it suitable for outdoor use in various environments.

Q: How can I charge the battery of the Capsule Sensor V3?

A: To charge the battery of the Capsule Sensor V3, connect it to a power source using the provided charging cable.

Document version

Version Time Description Remark
V1.0 2024-01-16 Documents creating Richard

Copyright Notice

All contents in the files are protected by copyright law, and all copyrights are reserved by Chengdu Heltec Automation Technology Co., Ltd. (hereinafter referred to as Heltec). Without written permission, all commercial use of the files from Heltec are forbidden, such as copy, distributing, reproducing the files, etc., but for non-commercial purposes, downloaded or printed by individuals are welcome.

Disclaimer

Chengdu Heltec Automation Technology Co., Ltd. reserves the right to change, modify or improve the document and product described herein. Its contents are subject to change without notice. These instructions are intended for you use.

Description

Overview

  • Capsule Sensor V3 is a tiny portable LoRa/LoRaWAN device based on ESP32-S3 and SX1262. Modular design allows it to adapt to different sensors, so you can easily build applications without being an expert in IoT.
  • Thanks to WirelessBoot1 technology, Capsule Sensor V3 is small, stylish, waterproof, and has a 250mA rechargeable battery, making it perfect for complex environments.
  • Whether you want to build your applications or run open-source programs like
  • Meshtastic2 , Capsule Sensor V3 is a great choice.
  • Capsule Sensor are available in two product variants:

Table 1.1: Product model list

No. Model Description
1 Capsule Sensor – 433 For 433MHz LoRa frequency

2

|

Capsule Sensor – 470to510

| For 470~510MHz working LoRa frequency, used for

China mainland (CN470) LPW band.

3

|

Capsule Sensor – 863to870

| For EU868, IN865 and other LPW networks with

operating frequencies between 863~870MHz.

4

|

Capsule Sensor – 902to928

| For US915, AU915, AS923, KR920 and other LPW

networks     with     operating     frequencies     between 902~928MHz

Product features

  • ESP32-S3 + SX1262.
  • Wireless communication method include Wi-Fi, Bluetooth and LoRa.
  • Modular design, with a BTB interface reserved at the bottom, capable of connecting and replacing different sensors.
  • Built in 250mAh rechargeable battery, magnetic suction charging port.
  • Built in LoRa and Wi-Fi/BLE antennas, stylish appearance, compact and light.
  • High strength plastic, IP65 waterproof.
  • Support Heltec Wireless Boot system, download firmware, exchange information, and print logs through Wi-Fi.
  • Meshtastic compatible.
  • Secondary development can be done through Arduino, Platform.io, etc.

Application scenarios
CapSule’s application is mainly realized by replacing the sensor module, and here are just some typical application scenarios.

  • Environmental monitoring;
  • Data converter;
  • Asset/pet/person tracking;
  • Children education;
  • Meshtastic;
  • As a common Arduino development board.

Specifications

General specifications

Parameters Description
MCU ESP32-S3FN8
LoRa Chip SX-1262
Memory 384KB ROM; 512KB SRAM; 16KB RTC SRAM; 8MB SiP
Frequency 433MHz, 470~510MHz, 863~870MHz, 902~928MHz
Max TX Power 21 ± 1dBm
Receiving sensitivity -135dBm
Wi-Fi 802.11 b/g/n
Bluetooth Bluetooth LE: Bluetooth 5, Bluetooth mesh
Charging 5V, Magnetic 2P-2.54mm
Battery 250mAh
Protection grade IP65
Operating temperature -20 ~ 60℃
Dimensions 47mm * 26mmφ

Flash Partitions

Name Type SubType Offset Size
nvs data nvs 0x009000 0x005000
otadata data ota 0x00e000 0x002000
app app ota_0 0x010000 0x250000
--- --- --- --- ---
flash app app ota_1 0x260000 0x0A0000
spiffs data spiffs 0x300000 0x100000
factory app factory 0x400000 0x100000
second app app ota_2 0x500000 0x2D0000

Electrical Characteristics

Parameter Typical Unit

Power Supply

| Charging| 5| V
Battery| 3.0~4.1| V

Consumption

| LoRa Sending| 230| mA
LoRa Receiving| 90| mA
Sleep| 25| uA

LoRa RF Characteristics

Transmit Power

Operating frequency band Maximum power value/[dBm]
470~510 21 ± 1
867~870 21 ± 1
902~928 21 ± 1

Receiving Sensitivity

The following table gives typically sensitivity level of the Capsule Sensor.

Signal Bandwidth/[KHz] Spreading Factor Sensitivity/[dBm]
125 SF12 -135
125 SF10 -130
125 SF7 -124

Operation Frequencies

Capsule supports LoRaWAN frequency channels and models corresponding table.

Region Frequency (MHz)
EU433 433.175~434.665
CN470 470~510
IN868 865~867
EU868 863~870
US915 902~928
AU915 915~928
KR920 920~923
AS923 920~925

Physical Dimensions

ELTEC-Capsule-Sensor-V3-FIG-1

Resource

Relevant Resource

  • Heltec ESP32 framework (Already included Heltec ESP32 LoRaWAN library)
  • Heltec LoRaWAN test server based on TTS V3
  • User Manual Document
  • Wireless Boot instructions

Contact Information

Heltec Automation Technology Co., Ltd Chengdu, Sichuan, China
Email: support@heltec.cn
Phone: +86-028-62374838
https://heltec.org

FCC Warning

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, maycause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmfulinterferenc e to radio or television reception, which can be determined by turning the equipmentoff and on, the user is encouraged to try to correct the interference by one or more of the following measures:

  • Reorient or relocate the receiving antenna.
  • Increase the separation between the equipment and receiver.
  • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
  • Consult the dealer or an experienced radio/TV technician for help.

Caution: Any changes or modifications to this device not explicitly approved by manufacturer could void your authority to operate this equipment.
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:
(1)This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with a minimum distance 0cm between the radiator and your body.

References

Read User Manual Online (PDF format)

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