HELTEC AUTOMATION V3 Capsule Sensor Instruction Manual
- August 10, 2024
- HELTEC AUTOMATION
Table of Contents
HELTEC AUTOMATION V3 Capsule Sensor
Specifications
- Product Name: Capsule Sensor V3
- Type: IoT Device
- Manufacturer: Chengdu Heltec Automation Technology Co.,Ltd.
- Wireless Technology: LoRa/LoRaWAN
- Microcontroller: ESP32-S3
- Transceiver: SX1262
- Battery: 250mA rechargeable battery
- Features: Tiny, waterproof, WirelessBoot technology
Product Usage Instructions
Overview
The Capsule Sensor V3 is a portable IoT device based on ESP32-S3 and SX1262. It is designed to work with various sensors for building IoT applications easily.
Features
- Modular design for sensor adaptability
- WirelessBoot technology for easy setup
- Compact and stylish design
- Waterproof construction
- Rechargeable battery for portability
Product Variants
The Capsule Sensor V3 is available in two variants:
- Capsule Sensor – 433: For 433MHz LoRa frequency.
- Capsule Sensor – 470to510: For 470~510MHz working LoRa frequency, suitable for China mainland (CN470) LPW band, EU868, IN865, and other LPW networks.
Battery Charging
To charge the 250mA rechargeable battery, use the provided charging cable and
connect it to a power source. The device should be powered off during
charging.
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,
distribute, reproduce the files, etc., but non-commercial purpose, downloaded
or printed by individual 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
Table 2-1: 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 | 150mAh |
| 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 |
| --- | --- | --- | --- | --- |
| flashApp | app | ota_1 | 0x260000 | 0x0A0000 |
| spiffs | data | spiffs | 0x300000 | 0x100000 |
| factory | app | factory | 0x400000 | 0x100000 |
| secondApp | app | ota_2 | 0x500000 | 0x2D0000 |
Electrical Characteristics
Table 2-2: Power supply
| Parameter | Typical | Unit |
|---|
Power Supply
| Charging| 5| V
Battery| 3.0~4.2| V
Consumption
| LoRa Sending| 230| mA
LoRa Receiving| 90| mA
Sleep| 18| uA
LoRa RF Characteristics
Transmit Power
Table2-3-1: 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.
Table2-3-2: Receiving sensitivity
| 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.
Table2-3-3: Operation Frequencies
| 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
Frequently Asked Questions (FAQ)
Q: Can I use Capsule Sensor V3 in extreme weather conditions?
A: Yes, the Capsule Sensor V3 is waterproof and suitable for use in
various environments, including extreme weather conditions.
Q: How do I switch between different sensor modules?
A: To switch between sensor modules, carefully detach the current module
and attach the new one following the provided instructions in the user manual.
Q: Is Capsule Sensor V3 compatible with third-party IoT platforms?
A: Yes, Capsule Sensor V3 can work with open-source IoT platforms like
Meshtastic for enhanced functionality and connectivity.