Sensor v2 Specs

  • Main Housing
    90 × 22 × 60
    +
    Magnetic Sensor Housing
    60 × 18 × 18

  • Total: 107 grams

  • 20% to 80% RH (non-condensing)

  • -10°C to 50°C (operating)

  • Idle: ~10 µA
    Wi-Fi: ~300 mA
    Alarm: ~20–30 mA (activated)

(Measurements in mm)

Components

  • ESP32-Slim Dev Board (Espressif)
    50 x 18 x 9
    Voltage: 3.3V–5V
    Current: ~160-300mA (Wi-Fi active)
    Built-in Wi-Fi, 240MHz dual-core CPU, 4MB flash memory

  • Reed Switch (Littelfuse 59065)
    10 x 2 x 2
    Voltage: ≤12V
    Current: ≤0.5A
    Response time of <1ms
    <10 million actuations

  • CUI Devices CEP-1212C
    25 (diameter) x 12
    Voltage: 3V–12V
    Current: ~10–30mA
    90 dB @ 10cm, continuous tone

  • Slimline 2xAAA Holder (Adafruit)
    55 x 20 x 10
    Output: 3V (with 2x AAA batteries)

  • Energizer Lithium (2)
    10 x 44 (each battery)
    Voltage: 1.5V each
    Capacity: ~1200mAh
    ~20% capacity loss in extreme cold


  • Mini Solderless Breadboard (Elegoo)
    55 × 20 x 9
    170 tie points

  • Male-to-Male (Elegoo)
    ~100 (length)

  • 10kΩ Resistor (Vishay Dale)
    2 x 6 (lead length: 25)
    Power: 0.25W
    Pull-up resistor

  • 3mm Red LED (Kingbright)
    3 x 6
    Voltage: ~2V
    Current: ~20mA

  • Twilio SMS API

  • Zulkit Junction Box ABS Plastic
    90 × 22 × 60
    ABS plastic

  • Gavazzi Automation Rectangular
    60 × 18 × 18

(Measurements in mm)