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    Basic Components (5)

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    Battery & Charger (17)

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    Micro Controller (26)

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    Sensors (29)

  • Cables/Wires/Connectors

    Cables/Wires/Connectors (6)

    • 1K Ohm 1/4 W Single Fixed Resistor(Pack of 5)
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    1K Ohm 1/4 W Single Fixed Resistor(Pack of 5)

    10.00৳  Add to cart

    • Resistance: 1K Ohm (1000Ω)

    • Power Rating: 1/4 Watt (0.25W)

    • Tolerance: ±1%

    • Voltage Rating: 250V Working, 500V Overload

    • Type: Fixed Resistor, Through-Hole Mounting

    • Availability: Order now from Circuit City BD!

    1N4007 Diode
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    1N4007 Diode

    5.00৳  Add to cart

    • Diode Type: PN Junction Rectifier

    • Voltage Ratings: 1000V Peak Reverse Voltage, 700V RMS

    • Current Rating: 1A Average Forward Current

    • Purpose: AC to DC Rectification

    • Compatibility: Works with 1N400X Series

    • Available at: Circuit City BD

    BC547 NPN Transistor
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    BC547 NPN Transistor

    5.00৳  Add to cart

    • Transistor Type: NPN

    • Voltage Ratings: Vce = 45V, Vcb = 50V, Veb = 6V

    • Current Rating: 100mA Collector Current

    • Gain (hFE): 110

    • Applications: Switching & Amplification

    • Available at: Circuit City BD

    Breadboard Half Size Bare 400 Tie Points
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    Breadboard Half Size Bare 400 Tie Points

    90.00৳  Add to cart

    • Brand: Generic

    • Tie Points: 400 (300 in main strip, 100 in power lanes)

    • Ideal for: Arduino, Raspberry Pi, and electronics prototyping

    • Build: Plastic housing, metal contact clips

    • Power Rating: 3–5A, 300V Max

    • Size: 82mm x 55mm x 10mm

    • Available at: Circuit City BD

    Active Speaker Buzzer Module for Arduino 5V
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    Active Speaker Buzzer Module for Arduino 5V

    60.00৳  Add to cart
    • Operating Voltage: 1.5V - 15V DC
    • Tone Generation Range: 1.5 kHz - 2.5 kHz
    • Current Consumption: Less than 25mA
    • Application: Alarms, Timers, Notifications, Sound Alerts
    • Availability: Available at Circuit City BD
    Water Level Depth Detection Sensor Module
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    Water Level Depth Detection Sensor Module

    50.00৳  Add to cart
    • Operating Voltage: 3V - 5V DC
    • Sensor Type: Analog Output
    • Detection Area: 40mm x 16mm
    • Features: Low power consumption, easy water level measurement, high sensitivity
    • Application: Water tank monitoring, rain detection, liquid level measurement
    • Availability: Available at Circuit City BD
    YL-69 Soil Hygrometer Humidity & Soil Moisture Detection Sensor
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    YL-69 Soil Hygrometer Humidity & Soil Moisture Detection Sensor

    120.00৳  Add to cart
    • Operating Voltage: 3.3V - 5V DC
    • Output Modes: Analog & Digital
    • Features: LM393 comparator chip, power indicator, accurate moisture detection
    • Application: Smart irrigation, greenhouse monitoring, soil moisture measurement
    • Availability: Available at Circuit City BD
    MAX30102 Heart Rate and Pulse Sensor Module
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    MAX30102 Heart Rate and Pulse Sensor Module

    380.00৳  Add to cart
    • Product Name: MAX30102 Heart Rate and Pulse Sensor Module
    • LED Wavelength: Red: 660nm, Infrared: 880nm
    • Power Supply Voltage: 3.3V~5V
    • Communication Interface: I2C
    • Applications: Wearables, medical monitoring, fitness devices
    • Availability: Available at Circuit City BD
    Heart Rate Pulse Sensor Module
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    Heart Rate Pulse Sensor Module

    300.00৳  Add to cart
    • Product Name: Heart Rate Pulse Sensor Module
    • Power: 3-5V
    • Diameter: 16mm
    • Magnification: 330
    • LED Wavelength: 609nm
    • Availability: Available at Circuit City BD
    AS608 Optical Fingerprint Sensor
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    AS608 Optical Fingerprint Sensor

    1,950.00৳  Add to cart
    • Product Name: AS608 Optical Fingerprint Sensor
    • Resolution: 500dpi
    • Supply Voltage: 3.3V
    • Fingerprint Image Entry Time: <1.0 seconds
    • Communication Interface: USB/UART
    • Availability: Available at Circuit City BD

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