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Electronics Module (6)

IoT (11)

Quadcopter (2)

Basic Components (8)

Development Boards (30)

Battery & Charger (17)

Micro Controller (26)

Motor (13)

Sensors (30)

Cables/Wires/Connectors (6)
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
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!
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!
- 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