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Heltec® Plug&Play Sensors

Heltec Capsule Sensor Rev. 3.0​

  • MCU:
    • ESP32-S3FN8 (WiFi & Bluetooth)
  • LoRa Transceiver:
    • Semtech SX1262
  • Frequency Options:
    • 433 MHz
    • 470 - 510 MHz
    • 863 - 870 MHz
    • 902 - 928 MHz
  • Connectors:
    • Magnetic suction interface
    • Antenna:
      • Dedicated 2.4 GHz SMT antenna for WiFi/Bluetooth
      • Dedicated SMT antenna for LoRa

How to upload firmware​

info

Capsule Sensor V3 uses WirelessBoot mode to upload firmware, exchange information, and print logs through WiFi. That is, whether you update the firmware locally or via the Web, You need to get the device into WirelssBoot state first.

Refer to this link for how to upload firmware for Capsule Sensor V3: Wireless Boot.

Touch button/Physical button differences​

warning

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.

  • Button differences Capsule Sensor V3 Button
  • Other hardware differences
    1. Removal of FDG6322C (a dual N & P channel FET) from the physical-button version.
    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).

Features​

  • Meshtastic preinstalled.
  • Built-in battery.
  • Sensor replaceable.

Pin​

Resources​

  • Firmware file: firmware-heltec_capsule_sensor_v3-X.X.X.xxxxxx.bin
  • Purchase links