Showing 1–24 of 47 resultsSorted by popularity

Electronics Module (7)

IoT (11)

Quadcopter (2)

Basic Components (8)

Development Boards (30)

Battery & Charger (17)

Micro Controller (26)

Motor (13)

Sensors (30)

Cables/Wires/Connectors (6)
- Connector Type: Female to Female
- Length: 20cm (8 inches)
- Material: Copper Plated
- Pin Spacing: 2.54mm (Standard)
- Durable, Flexible & Reusable
- Perfect for Breadboards, Sensors & Microcontrollers
- Available at: Circuit City BD
- Connector Type: Male to Female
- Length: 20cm (8 inches)
- Material: Copper Plated
- Pin Spacing: 2.54mm (Standard)
- Durable, Flexible & Reusable
- Ideal for Breadboard & PCB Projects
- Available at: Circuit City BD
- Connector Type: Male to Male
- Length: 20cm (8 inches)
- Material: Copper Plated
- Pin Spacing: 2.54mm (Standard)
- Flexible, Durable & Reusable
- Perfect for Breadboard & PCB Projects
- Available at: Circuit City BD
Operating Voltage: 3V – 6V DC
RPM: 2000
Shaft Diameter: 2mm
Shaft Length: 10mm
Weight: 15g
Availability: Order now from Circuit City BD!
Channels: 4
Trigger Voltage: 5V DC
Switching Voltage: 250V AC / 30V DC @ 10A
Microcontroller Compatibility: Arduino, Raspberry Pi, PIC, AVR, ARM, etc.
High/Low-Level Trigger Modes
Availability: Order now from 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
- 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: 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: 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
Dual-Channel 5V Relay Module
Low-Level Trigger Relay
Trigger Voltage: 3.3V – 5V
Switching Capacity: 250V AC @ 10A, 30V DC @ 10A
Opto-Isolated for High Reliability
Built-in Back EMF Protection
Two LED Indicators for Relay Status
Availability: Order now from Circuit City BD
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!
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!
Relay Type: 1-Channel 5V Relay
Operating Voltage: 3V - 5V DC
Switching Capacity: AC 250V/10A, DC 30V/10A
Trigger Method: High-Level & Low-Level Selectable
Microcontroller Compatibility: Arduino, AVR, PIC, ARM, DSP
Availability: Order now from Circuit City BD!
Interface: I2C (PCF8574 Chip)
Compatible LCDs: 16×2 & 20×4 Character Displays
Power Supply: 5V DC
Adjustable Contrast & Backlight Control
Up to 8 Modules on a Single I2C Bus
Availability: Order now from Circuit City BD!
- Connector Type: Female to Female
- Quantity: 20 Wires (Rainbow Colors)
- Length: 20cm (8 inches) per wire
- Pin Header Compatibility: 2.54mm (0.1") Standard
- Flexible & Pre-Crimped for Quick Connections
- Perfect for Breadboards, PCBs & DIY Electronics
- Available at: Circuit City BD
- Connector Type: Male-to-Female
- Length: 20cm (each wire)
- Quantity: 20 wires (Rainbow colors)
- Ideal for: Breadboards, PCBs, DIY electronics
- Flexible & easy-to-use wiring solution
- Available at: Circuit City BD
- Connector Type: Male-to-Male
- Length: 20cm (each wire)
- Quantity: 20 wires (Rainbow colors)
- Ideal for: Breadboards, PCBs, DIY electronics
- Easy to use & organize
- 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: 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