ELTEC Capsule Sensor V3 User Manual
- July 5, 2024
- ELTEC
Table of Contents
ELTEC Capsule Sensor V3
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
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.