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Showing 1–24 of 40 resultsSorted by popularity

IoT (11)

Quadcopter (2)

Development Boards (31)

Devlopment Kit (1)

Micro Controller (27)

Motor (12)

Sensors (25)
- 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
- Product Name: Servo Motor Micro SG90 180 Degree Rotation
- Operating Voltage: 3.0V - 7.2V
- Stall Torque: 1.2Kg-cm @ 4.8V, 1.6Kg-cm @ 6.6V
- Rotation Angle: 180°
- Weight: 9g
- Cable Length: 25cm
- Availability: Available at Circuit City BD
- ESP-32 NodeMCU 30Pin
- Dual-core WiFi + Bluetooth microcontroller
- Supports UART, GPIO, ADC, DAC, PWM, I2C, and I2S interfaces
- Built-in 32Mbit flash memory for enhanced performance
- Available now 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: Sonoff Basic R2 - WiFi Wireless Smart Switch
- Smart Home Integration: Works with Amazon Alexa, Google Assistant, and Nest
- Remote Control: Turn appliances on/off via the eWeLink app
- Timer Functions: Supports countdown, scheduled, and loop timers
- Connectivity: 802.11 b/g/n Wi-Fi, WPA-PSK/WPA2-PSK security
- Power Rating: 90-250V AC, 10A max current, 2200W max load
- Applications: Home automation, smart lighting, appliance control
- Availability: Available at Circuit City BD
- Product Name: ESP8266 (ESP-01) Serial WiFi Wireless Transceiver Module
- Wi-Fi Standard: 802.11 b/g/n
- Flash Memory: 1MB
- Processor: 32-bit CPU with TCP/IP stack
- Power Efficiency: Standby power <1.0mW (DTIM3)
- Interfaces: UART, SPI, SDIO 1.1/2.0
- Applications: IoT, home automation, wireless sensor networks
- Availability: Available at Circuit City BD
- Product Name: SIM800L GPRS GSM Breakout Module
- Operating Voltage: 3.7V - 4.2V
- Peak Current: 2A
- Network Support: Quad-band GSM/GPRS (850/900/1800/1900 MHz)
- Connectivity: SMS, Call, GPRS, TCP/IP
- Antenna: Includes PCB antenna and wire antenna
- Applications: IoT, GSM-based automation, remote control, security systems
- 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
- 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
- Product Name: DC 5V Stepper Motor with ULN2003 Driver Board 28BYJ-48
- Rated Voltage: 5V DC
- Reduction Ratio: 64:1
- Step Angle: 5.625° /64
- Torque: Self-positioning >34.3mN.m, Pull-in 300gf.cm
- Availability: Available at Circuit City BD
- Product Name: MG996R Servo Motor 180 Degree Rotation
- Operating Voltage: 4.8V - 6.6V
- Stall Torque: 9.4Kg-cm @ 4.8V, 11Kg-cm @ 6.6V
- Rotation Angle: 180°
- Weight: 55g
- Cable Length: 32cm
- Availability: Available at Circuit City BD
- Product Name: MG90S Micro Servo Motor 180 Degree Rotation
- Operating Voltage: 4.8V - 6.6V
- Stall Torque: 1.8Kg-cm @ 4.8V, 2.2Kg-cm @ 6.6V
- Rotation Angle: 180°
- Weight: 13g
- Cable Length: 25cm
- Availability: Available at Circuit City BD
- 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
- 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
- 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