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82 lines
2.6 KiB
Plaintext
82 lines
2.6 KiB
Plaintext
---
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id: heltec-sensors
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title: HELTEC® Plug&Play Sensors
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sidebar_label: Sensors
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sidebar_position: 2
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---
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import Tabs from "@theme/Tabs";
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import TabItem from "@theme/TabItem";
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<Tabs
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groupId="heltec"
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queryString="heltec"
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defaultValue="v3.0"
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values={[
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{label: 'Capsule V3.0', value: 'v3.0'}
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]}>
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<TabItem value="v3.0">
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## Heltec Capsule Sensor Rev. 3.0
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- **MCU:**
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- ESP32-S3FN8 (WiFi & Bluetooth)
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- **LoRa Transceiver:**
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- Semtech SX1262
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- **Frequency Options:**
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- 433 MHz
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- 470 - 510 MHz
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- 863 - 870 MHz
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- 902 - 928 MHz
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- **Connectors:**
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- Magnetic suction interface
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- Antenna:
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- Dedicated 2.4 GHz SMT antenna for WiFi/Bluetooth
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- Dedicated SMT antenna for LoRa
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### How to upload firmware
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:::info
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Capsule Sensor V3 uses WirelessBoot mode to upload firmware, exchange information, and print logs through WiFi.
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That is, whether you update the firmware locally or via the Web, You need to get the device into WirelessBoot state first.
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:::
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Refer to this link for how to upload firmware for Capsule Sensor V3: [**Wireless Boot**](https://docs.heltec.org/en/node/esp32/capsule_sensor_v3/wireless_boot.html#).
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### Touch button/Physical button differences
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:::warning
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Because the touch button is easy to accidentally activate while close to metal or in your pocket, Heltec has discontinued production of this version. However, a small number of samples have entered the market.
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:::
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- Button differences
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- Other hardware differences
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1. Removal of [FDG6322C](https://www.mouser.com/datasheet/2/308/1/FDG6322C_D-2312203.pdf) (a dual N & P channel FET) from the physical-button version.
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2. Antenna filter values physical-button version (L11 = 1.8pF, C15 = 2.7nH, C24 = 1.8pF) align more closely with ESP32-S3 reference design than touch-button version (L11 = 1.6nH, C15 = 6.9pF, C24 = 2.4pF).
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### Features
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- Meshtastic preinstalled.
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- Built-in battery.
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- Sensor replaceable.
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### Pin
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- Connector:
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- Model name: [DF12NB(3.0)-10DS-0.5V(51)](https://resource.heltec.cn/download/Heltec%20Capsule%20Sensor%20V3/Connector.pdf)
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- Pin:
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- More pin definitions please refer [Schematic Diagram](https://resource.heltec.cn/download/Heltec%20Capsule%20Sensor%20V3/Capsule_Main_Esp32_Schematic_Diagram.pdf)
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### Resources
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- Firmware file: `firmware-heltec_capsule_sensor_v3-X.X.X.xxxxxx.bin`
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- Purchase links
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- International
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- [Heltec](https://heltec.org/project/heltec-capsule-sensor-v3/)
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- [AliExpress](https://www.aliexpress.us/item/3256805256690400.html)
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</TabItem>
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</Tabs>
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