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    Electronics Module (11)

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    IoT (11)

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    Motor Driver/ESC (2)

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    Wheel (2)

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    Quadcopter (4)

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    Basic Components (12)

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    Development Boards (30)

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    Battery & Charger (18)

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    Micro Controller (26)

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    Motor (16)

  • Sensors

    Sensors (32)

  • Cables/Wires/Connectors

    Cables/Wires/Connectors (10)

    • Light Dependent Resistor(LDR) 5 mm
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    Light Dependent Resistor(LDR) 5 mm

    10.00৳  Add to cart

    • LDR 5 mm – Light Sensitive Resistor

    • Resistance changes with ambient light levels

    • Dark resistance: 1–20 MΩ

    • PCB Through-Hole Mount | 2 Pins

    • Available now at Circuit City BD

    IR Obstacle Sensor
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    IR Obstacle Sensor

    70.00৳  Add to cart

    • Infrared Obstacle Detection Sensor

    • Detection Distance: 2 ~ 30cm

    • Detection Angle: 35°

    • LM393 Comparator for Stable Output

    • Works with 3.6V to 5V Power Supply

    • Easy Mounting with 3mm Screw Holes

    • Availability: Order now from Circuit City BD!

    PCB Mounted Passive Buzzer Module
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    PCB Mounted Passive Buzzer Module

    70.00৳  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
    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
    HC-SR04 Ultrasonic Distance Sonar Sensor
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    HC-SR04 Ultrasonic Distance Sonar Sensor

    100.00৳  Add to cart
    • Product Name: HC-SR04 Ultrasonic Distance Sonar Sensor
    • Operating Voltage: 5V
    • Measuring Range: 2cm to 400cm
    • Accuracy: ±3mm
    • Applications: Distance measurement, obstacle detection, automation projects
    • Availability: Available at Circuit City BD
    HX1838 NEC Coding IR Remote Control Sensor Module
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    HX1838 NEC Coding IR Remote Control Sensor Module

    380.00৳  Add to cart

    • IR Remote Control & Sensor Module

    • Operating Voltage: 2.7V - 5.5V

    • Transmission Distance: Up to 8m

    • NEC Encoding Format

    • Internal PCM Filter & EMI Shielding

    • Battery (CR2025) Not Included

    • Availability: Order now from Circuit City BD!

    IR Receiver Shielded
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    IR Receiver Shielded

    15.00৳  Add to cart

    • Supply Voltage: 3.0V - 5.0V DC

    • Receiver Frequency: 38 KHz

    • Low Power Consumption & High Immunity

    • Internal Filter for PCM Frequency

    • TTL & CMOS Compatibility

    • Availability: Order now from Circuit City BD!

    LDR Photosensitive Sensor Module
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    LDR Photosensitive Sensor Module

    75.00৳  Add to cart
    • Operating Voltage: 3.3V - 5V DC
    • Output: Analog (A0) & Digital (D0) Outputs
    • Adjustable Sensitivity: Potentiometer for light intensity control
    • Application: Light detection, brightness control, smart lighting
    • Availability: Available at Circuit City BD
    FC-04 Microphone Sound Sensor Module
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    FC-04 Microphone Sound Sensor Module

    75.00৳  Add to cart
    • Product Name: FC-04 Microphone Sound Sensor Module
    • Main Chip: LM393, Electret Condenser Microphone
    • Operating Voltage: 3.3V - 5V
    • Induction Distance: 0.5 Meter
    • Output Signal: Single Channel, Low-Level Output
    • Size: 43mm x 17mm x 8mm
    • Weight: 3g
    • Applications: Sound detection, voice-activated systems, security alarms
    • Availability: Available at Circuit City BD
    HC-SR501 PIR Infrared Motion Sensor
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    HC-SR501 PIR Infrared Motion Sensor

    95.00৳  Add to cart
    • Product Name: HC-SR501 PIR Infrared Motion Sensor
    • Operating Voltage: 4.5V-20V DC
    • Detection Distance: 3 to 7m (Adjustable)
    • Detection Angle: <140°
    • Current Consumption: <60uA
    • 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
    KY-026 The Flame Sensor Module Digital & Analog Output
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    KY-026 The Flame Sensor Module Digital & Analog Output

    85.00৳  Add to cart
    • Operating Voltage: 3.3V - 5V DC
    • Detection Range: 760nm - 1100nm flame spectrum, up to 100cm
    • Features: Digital & analog output, adjustable sensitivity, LM393 comparator for stable readings
    • Application: Fire detection, firefighting robots, security systems
    • Availability: Available at Circuit City BD
    Flame Sensor Fire Detection Module
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    Flame Sensor Fire Detection Module

    70.00৳  Add to cart
    • Operating Voltage: 3.3V - 5V DC
    • Detection Range: 760nm - 1100nm flame spectrum
    • Features: High sensitivity, 60° detection angle, onboard signal output, adjustable sensitivity
    • Application: Fire detection, security systems, flame monitoring
    • Availability: Available at Circuit City BD
    DHT22/AM2302 Digital Temperature and Humidity Sensor Module
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    DHT22/AM2302 Digital Temperature and Humidity Sensor Module

    450.00৳  Add to cart
    • Measurement Range: Temperature -40°C to 80°C, Humidity 0% to 99.9% RH
    • Accuracy: Temperature ±0.5°C, Humidity ±2% RH
    • Features: High precision, capacitive type, calibrated digital signal, long-term stability
    • Application: Suitable for weather monitoring, HVAC systems, industrial applications
    • Availability: Available at Circuit City BD
    MQ-135 Gas Sensor
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    MQ-135 Gas Sensor

    170.00৳  Add to cart
    • Gas Detection: Detects Ammonia, Sulfide, Benzene, Alcohol, Smoke, and Harmful Gases
    • Sensitivity: Adjustable sensitivity with fast response and recovery
    • Output: Analog voltage output (0-5V) with a signal output indicator
    • Application: Suitable for air quality monitoring, gas leak detection, and industrial safety
    • Availability: Available at Circuit City BD
    KY-037 Microphone Sound Sensor Detection Module
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    KY-037 Microphone Sound Sensor Detection Module

    90.00৳  Add to cart
    • Product Name: KY-037 Microphone Sound Sensor Detection Module
    • Main Chip: LM393, Electret Condenser Microphone
    • Operating Voltage: 3.3V - 5V
    • Induction Distance: 0.5 Meter
    • Output Signal: Single Channel, Low-Level Output
    • Size: 43mm x 17mm x 8mm
    • Weight: 3g
    • Applications: Sound detection, voice-activated systems, security alarms
    • Availability: Available at Circuit City BD
    US-015 Ultrasonic Module Distance Measuring Transducer Sensor
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    US-015 Ultrasonic Module Distance Measuring Transducer Sensor

    250.00৳  Add to cart
    • Product Name: US-015 Ultrasonic Module Distance Measuring Transducer Sensor
    • Operating Voltage: 5V
    • Measuring Range: 2cm to 400cm
    • Accuracy: ±0.3cm
    • Applications: Distance measurement, automation, robotics, liquid level detection
    • Availability: Available at Circuit City BD
    MQ-2 Flammable Gas & Smoke Sensor
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    MQ-2 Flammable Gas & Smoke Sensor

    150.00৳  Add to cart
    • Product Name: MQ-2 Flammable Gas & Smoke Sensor
    • Operating Voltage: 5V
    • Preheat Duration: 20 seconds
    • Output Voltage: 0-5V (Analog & Digital)
    • Applications: Gas leakage detection, industrial safety, home security
    • 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
    TOF10120 Laser Range Sensor Module
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    TOF10120 Laser Range Sensor Module

    1,575.00৳  Add to cart
    • Product Name: TOF10120 Laser Range Sensor Module
    • Power Supply Voltage: 3.3V~5V
    • Operating Current: <35mA
    • Measuring Distance: 100-1800mm
    • Emitter: 940nm invisible laser (VCSEL)
    • Compatibility: Arduino, Raspberry Pi
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    VL6180 VL6180X ToF Range Finder Sensor
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    VL6180 VL6180X ToF Range Finder Sensor

    1,299.00৳  Add to cart
    • Product Name: VL6180 VL6180X ToF Range Finder Sensor
    • Power Supply Voltage: 3.3V~5V
    • Operating Current: <5mA
    • Measuring Distance: 5-100mm
    • Emitter: 940nm invisible laser (VCSEL)
    • Compatibility: Arduino, Raspberry Pi
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    Digital Load Cell Weight Sensor 5kg
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    Digital Load Cell Weight Sensor 5kg

    380.00৳  Add to cart
    • Product Name: Digital Load Cell Weight Sensor 5kg
    • Dimensions: 75 x 13 x 13 mm
    • Weighing Range: 0-5 kg
    • Material: Aluminum alloy
    • Output: 1.0 ± 0.1mV/V
    • Compatibility: HX711 & Arduino compatible
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