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    Thermostat Main Module

    Thermostat Main Module thumbnail
    ESP8684H4 based thermostat module which will control the heater. The module will have 18650 Li-Ion battery cell with 3.7V nominal voltage. The module also has a switch-mode buck NVDC power path which can simultaneously charge the battery and provide power to the system. The system voltage is 3.3V. Input voltage is 5V from USB-C. The system also contains a temperature, humidity and pressure sensor. The Wi-Fi and Bluetooth antenna implemented by PCB tracks.

    Properties

    5

    V

    3.3

    V

    3.7

    V

    PCB antenna

    TPS62172

    Pricing & Availability

    Distributor

    Qty 1

    Arrow

    $0.91

    Digi-Key

    $1.84

    LCSC

    $2.22

    Mouser

    $2.53

    Controls