Heltec Capsule Sensor V3

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Description

Characteristics

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Description

Summary

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 WirelessBoot 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 Meshtastic, Capsule Sensor V3 is a great choice.

The Capsule Sensor accommodates all your belongings, including guitars, pianos, other musical instruments, cigar humidors, wine cellars, incubators, greenhouses, art, family heirlooms, refrigerators, and freezers, benefiting from meticulous and precise monitoring.

Main Features

ESP32-S3 + SX1262.
LED indicator light.
Meshtastic project compatible(It is recommended to use with power bank or mobile phone).
High strength plastic, IP65 waterproof.
Wireless communication method include Wi-Fi, Bluetooth and LoRa.
Built in 250mAh rechargeable battery, magnetic suction charging port.
Built in LoRa and Wi-Fi/BLE antennas, stylish appearance, compact and light.
Re-development can be done through Arduino, PlatformIO, etc.
Support Heltec Wireless Boot system, download firmware, exchange information, and print logs through Wi-Fi.
Modular design, with a BTB interface reserved at the bottom, capable of connecting and replacing different sensors.

General Specifications

Parameters	Description
MCU	ESP32-S3FN8
LoRa Chip	SX1262
WiFi	IEEE 802.11 b/g/n 2.4GHz
Bluetooth	Bluetooth LE， Bluetooth 5， Bluetooth mesh
LoRa Frequency	863～870MHz, 902～928MHz, 470～510MHz
Operating Temperature	-20~60℃
Max. Receiving. sensitivity	-135dBm
Power Supply	3.7V lithium battery, 250mAh
Battery life (typical conditions)	Over 1 Year
Charging	5V, Magnetic suction 2P-2.54mm
Operating Humidity	10%~90%RH(Non Condensing)
Max. LoRa TX Power	21± 1dBm
Protection grade	IP65
Wireless Range (line of sight, ideal conditions)	Over 6 KM

Sensor Specifications

Type	Module	Description
GNSS	Quectel_L76K Sensor Datasheet	＜1m, L1/L5
Temperature&Humidity	GXHTV3 Datasheet	±0.5℃/±5%RH
3-Axis	DA217 Sensor Datasheet	±1g
Barometic Pressure	BMP280	±1hPa/±1℃

Description

Dimension

Highlights

Easy Scan&Setup

Set up our free app (iOS or Android) easily for a digital summary of current conditions for your connected Heltec devices.

Smart app control and display to enhance your overall user experience.

Explore deeper with integrated data logging and graphing, featuring 7 days of sensor storage and unlimited in-app storage. Gain valuable insights from comprehensive hourly, daily, and weekly updates.

WirelessBoot

Wireless Boot is a boot loader system for ESP32 MCU. You can download firmware, exchange information, and print logs through WiFi. Therefor, devices no longer requires a USB-UART bridge, which can reduce the hardware cost of the system and reduce device size.

The Capsule Sensor V3 had already includes the WirelessBoot system by default.

Modular design

A BTB interface reserved at the bottom, capable of connecting and replacing different sensors. Meet with your different application scenarios and needs.

Stylish and lightweight

It weighs 23g, tiny in size. Placing your Capsule Sensor inside your favorite places is now easier than ever with the lanyard loop string.

Strong extensibility

Various applications such as Meshtastick, child education, asset tracking, environmental monitoring, etc. can be implemented by replacing modules.

Magnetic suction charging

Built in 250mAh rechargeable battery,
Magnetic suction charging port.

FAQ

How long can the 250mAh battery work?

It depends on how it works. The Capsule Sensor V3 is positioned as a portable LoRa/LoRaWAN device, with a 250mAh rechargeable battery. However, the capsule sensor V3 have a good low-power design, ~15uA in deep sleep mode. As our test, it can transmit about 6000 times LoRa packet when it is fully charged.

For example, if the data is sent every hour, it can continue to work for more than 6 months.

What LoRa/LoRaWAN projects can it run?

Almost all LoRa based communications, including Paxcounter, Disaster Radio, Meshtatic, LoRaWAN, LoRa P2P, etc

How about the coverage distance?

Considering the overall structure and volume, the Capsule Sensor V3 adopts a built-in antenna, and the communication distance measured in open areas is 2.5Km

I didn’t see it has a USB port, how do I upgrade the firmware for it?

Through the Wireless Boot system, you can program it directly through an IDE such as Arduino, or upgrade it using OTA on web pages

Is there a recommended LoRa gateway that I need for my LoRaWAN project?

Capsule Sensor V3 is compatible with almost all LoRaWAN gateways on the market. You can also choose a Heltec LoRaWAN gateway.

Docs & Resource

[Resource] — Heltec Capsule Sensor V3 Operation Introduction
[Resource] — Heltec Capsule Sensor V3 Promotion Video
[Resource] —Heltec Capsule Sensor Datasheet
[Resource] —Schematic_Diagram
[Docs] —Heltec Capsule Sensor User Mannual
[Docs] —Heltec-ESP32 development framework
[Docs] —Wireless Boot instructions

Packing list

The default packing list without selecting any accessories is as follows:

Item	Quantity
CapSule Sensor V3	x1
Charging Cable	x1
Lanyard	x1

Characteristics

Weight	23 g
Dimensions	26 × 26 × 47 cm
LoRa Band	470~510MHz, 863~870MHz, 902~928MHz
Sensor Type	GNSS, Temperature-humidity, 3-Axis, Barometric pressure
Gateway	HT-M7603 470-510MHz, HT-M7603 863-870MHz, HT-M7603 902-928MHz, N/A

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