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Sensors (29)
- 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
- Compatible Battery: 3 x 18650 Li-ion Batteries
- Output Voltage: 11.1V (Series Connection)
- Material: High-Quality Plastic
- Wire Length: 15cm
- Easy to Install & Use
- Available at: Circuit City BD
- 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
- 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
- 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
- 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
- Cable Length: 12cm (Approx.)
- Connector Type: 9V Battery Snap with DC Barrel Jack (2.1mm x 5.5mm)
- Material: High-Quality, Environment-Friendly Design
- Application: Ideal for Arduino, Microcontrollers, and DIY Projects
- Availability: Available at Circuit City BD
- Material: Hard Leather, High-Quality Build
- Wire Length: 5cm, Open-Wire End for Easy Connection
- Polarity Protection: Prevents Reverse Connection & Short Circuit
- Application: Ideal for Arduino, DIY Projects, and Battery-Powered Circuits
- Availability: Available at Circuit City BD
- Nominal Voltage: 9V
- Built Quality: Leakproof Metal Jacket
- Environment-Friendly: 0% Mercury and Cadmium
- Connector Type: Corrosion-Free Press Stud Terminal
- Application: DIY Projects, Electronics, Household Devices
- Availability: Available at Circuit City BD
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- Product Name: Heart Rate Pulse Sensor Module
- Power: 3-5V
- Diameter: 16mm
- Magnification: 330
- LED Wavelength: 609nm
- Availability: Available at Circuit City BD