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18650 Battery Holder – 2 Cell
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18650 Battery Holder – 2 Cell

50.00৳  Add to cart
  • Compatible Battery: 2 x 18650 Li-ion Batteries
  • Output Voltage: 7.2V (Series Connection)
  • Material: High-Quality Plastic
  • Wire Length: 15cm
  • Easy to Install & Use
  • Available at: Circuit City BD
18650 Battery Holder – 1 Cell
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18650 Battery Holder – 1 Cell

40.00৳  Add to cart
  • Compatible Battery: Standard 18650 Li-ion Battery
  • Output Voltage: 3.7V
  • Material: High-Quality Plastic
  • Wire Length: 15cm
  • Easy to Install & Use
  • Available at: Circuit City BD
18650 2600mAh Original (Grade A) Rechargeable Li-ion Battery
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18650 2600mAh Original (Grade A) Rechargeable Li-ion Battery

320.00৳  Add to cart
  • Battery Type: Hybrid 18650 Li-ion
  • Capacity: 2600mAh (9.62Wh)
  • Voltage: 3.7V (Unprotected)
  • Max Discharge Rate: 10A
  • Rechargeable: Yes (Standard Charging Time: 4 Hours)
  • Ideal for: Power Banks, Laptops, Flashlights, and DIY Projects
  • Available at: Circuit City BD
18650 2000mAh Original (Grade A) Rechargeable Li-ion Battery
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18650 2000mAh Original (Grade A) Rechargeable Li-ion Battery

280.00৳  Add to cart
  • 3.7V 18650 rechargeable lithium-ion battery
  • 2000mAh capacity for reliable power supply
  • Ideal for laptops, flashlights, and other electronic devices
  • No PCB protection; suitable for DIY projects
  • 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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TTP223B Digital Touch Sensor
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TTP223B Digital Touch Sensor

80.00৳  Add to cart
  • Product Name: TTP223B Digital Touch Sensor
  • Operating Voltage: 2.0 to 5.5 VDC
  • Response Time: 60ms (touch mode), 220ms (low power mode)
  • Output: Digital high/low signal
  • Design: Compact 24x24mm module
  • Compatibility: Arduino & Raspberry Pi compatible.
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Force Sensor Square 38.1mm
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Force Sensor Square 38.1mm

1,620.00৳  Add to cart
  • Product Name: Force Sensor Square 38.1mm
  • Sensing Area: 38.1mm square sensing area
  • Pressure Range: 100g to 10kg force measurement
  • Design: Ultra-thin 0.45mm design
  • Durability: Up to 10 million actuations
  • Compatibility: Arduino & Raspberry Pi compatible
Force Sensitive Resistor 0.5″
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Force Sensitive Resistor 0.5″

890.00৳  Add to cart
  • Product Name: Force Sensitive Resistor 0.5"
  • Sensing Area: 0.5" circular sensing area
  • Pressure Range: 20g to 6kg force measurement
  • Design: Ultra-thin 0.4mm design
  • Response Time: Fast response time <10ms
  • Compatibility: Arduino & Raspberry Pi compatible
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Flex Sensor 2.2″
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Flex Sensor 2.2″

1,850.00৳  Add to cart
  • Flex Length: 5.6 cm
  • Total Length: 7 cm (2.2")
  • Height: 0.43 mm (0.017")
  • Resistance Variation: 30K-70KΩ ±30%
  • Measuring Range: 25KΩ - 60KΩ
  • Measurement Accuracy: ±0.039%
  • Life Cycle: >1 million bends
  • Power Rating: 0.5W
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GY-271 QMC5883L Compass Module, Magnetinsor Module Compatible HMC5883L
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GY-271 QMC5883L Compass Module, Magnetinsor Module Compatible HMC5883L

380.00৳  Add to cart
  • Main Chip: QMC5883L (Compatible with HMC5883L)
  • Operating Voltage: 3V - 5V DC
  • Communication: I2C Protocol
  • Measuring Range: ±1.3 - 8 Gauss
  • PCB: High-quality immersion gold
  • Build: Machine-welded for durability
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Triple Axis Accelerometer Breakout – ADXL345
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Triple Axis Accelerometer Breakout – ADXL345

465.00৳  Add to cart
  • Supply Voltage: 2.0 - 3.6V .
  • Interface Type: I²C, SPI for flexible communication.
  • Sensing Range: ±2g, ±4g, ±8g, ±16g
  • Sensitivity (X-axis): 28.6 LSB/g
  • Sensitivity (Y-axis): 31.2 LSB/g
  • Sensitivity (Z-axis): 34.5 LSB/g
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