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    Electronics Module (11)

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    Basic Components (12)

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    Development Boards (30)

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    Battery & Charger (18)

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    Micro Controller (26)

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    Sensors (32)

  • Cables/Wires/Connectors

    Cables/Wires/Connectors (10)

    • 1 Channel 5V Relay Module
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    1 Channel 5V Relay Module

    99.00৳  Add to cart

    • 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!

    4 Channel 5V Relay Module
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    4 Channel 5V Relay Module

    300.00৳  Add to cart

    • 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!

    Active Speaker Buzzer Module for Arduino 5V
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    Active Speaker Buzzer Module for Arduino 5V

    60.00৳  Add to cart
    • 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
    TDS Meter Probe Water Quality Monitoring V1 Sensor Module for Arduino
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    TDS Meter Probe Water Quality Monitoring V1 Sensor Module for Arduino

    1,650.00৳  Add to cart

    • TDS Water Quality Sensor | Arduino Compatible | V1 Module

    • Measures 0–1000 ppm with ±10% Accuracy

    • Waterproof Probe for Long-Term Monitoring

    • Analog Output 0–2.3V, Wide Voltage Input 3.3V–5.5V

    • Available Now at Circuit City BD

    HC-05 Bluetooth Module for Arduino
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    HC-05 Bluetooth Module for Arduino

    350.00৳  Add to cart

    • Wireless Serial Bluetooth Module for Arduino & Microcontrollers

    • Bluetooth Specification: V2.0 + EDR

    • Frequency: 2.4GHz ISM Band

    • Modulation: GFSK (Gaussian Frequency Shift Keying)

    • Operating Range: Up to 10 meters

    • Supports Master & Slave Mode

    • Low Power Consumption

    • Availability: Order now from Circuit City BD!

    2 Channel 5V Relay Module
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    2 Channel 5V Relay Module

    150.00৳  Add to cart

    • 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

    HX1838 NEC Coding IR Remote Control Sensor Module
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    HX1838 NEC Coding IR Remote Control Sensor Module

    380.00৳  Add to cart

    • 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!

    I2C LCD Adapter Module
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    I2C LCD Adapter Module

    90.00৳  Add to cart

    • 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!

    Arduino Uno R3 SMD
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    Arduino Uno R3 SMD

    570.00৳  Add to cart
    • Microcontroller: ATmega328 (SMD) with CH340G interface.
    • Operating Voltage: Works at 5V.
    • Input Voltage (Recommended): Accepts 7–12V as input.
    • Input Voltage (Limit): Operates within 6–20V safely.
    • Digital I/O Pins: Includes 14 pins, 6 of which support PWM output.
    • Analog Input Pins: Features 6 analog input pins.
    • Flash Memory: 32 KB (0.5 KB used by bootloader).
    • Clock Speed: Runs at 16 MHz.
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    HW-411A LM2596 DC-DC Step Down Adjustable Power Supply Module 3A Max Buck Converter
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    HW-411A LM2596 DC-DC Step Down Adjustable Power Supply Module 3A Max Buck Converter

    100.00৳  Add to cart
    BMP280 Air Pressure Sensor Module
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    BMP280 Air Pressure Sensor Module

    300.00৳  Add to cart

    • Compact & High-Precision Barometric Sensor

    • Measures Atmospheric Pressure & Temperature

    • Supports I2C & SPI Communication

    • Operating Voltage: 1.71V to 3.6V (Typical: 3.3V)

    • Pressure Range: 300 hPa to 1100 hPa

    • Perfect for Altitude Measurement & Weather Forecasting

    • Availability: Order now from Circuit City BD!

    ESP8266 (ESP-01) Serial WiFi Wireless Transceiver Module
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    ESP8266 (ESP-01) Serial WiFi Wireless Transceiver Module

    170.00৳  Add to cart
    • 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
    Arduino Leonardo R3
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    Arduino Leonardo R3

    790.00৳  Add to cart
    • Microcontroller: ATmega32U4
    • Operating Voltage: 5V
    • Input Voltage (Recommended): 7-12V
    • Digital I/O Pins: 20
    • PWM Channels: 7
    • Analog Input Channels: 12
    • SRAM: 2.5 KB
    • EEPROM: 1 KB
    • Clock Speed: 16 MHz
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    Arduino Due
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    Arduino Due

    3,240.00৳  Add to cart
    • Microcontroller: AT91SAM3X8E.
    • Operating Voltage: 3.3V.
    • Input Voltage (Recommended): 7-12V.
    • Input Voltage (Limits): 6-16V.
    • Digital I/O Pins: 54 (12 pins support PWM output).
    • Analog Input Pins: 12.
    • Analog Output Pins: 2 (DAC).
    • Clock Speed: 84 MHz.
    • SRAM: 96 KB (64 KB + 32 KB).
    • Flash Memory: 512 KB.
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    ARDUINO PRO MICRO
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    ARDUINO PRO MICRO

    870.00৳  Add to cart
    • Microcontroller: ATmega32U4, 5V/16MHz.
    • Interface: Micro USB programming.
    • I/O Pins: 12 digital, 5 PWM.
    • Analog: 4 ADC inputs, 10-bit.
    • Memory: 32 KB Flash, 2.5 KB SRAM, 1 KB EEPROM.
    • Clock: 16 MHz speed.
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    Arduino Pro Mini 328 5V/16Mhz
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    Arduino Pro Mini 328 5V/16Mhz

    680.00৳  Add to cart
    • Microcontroller: ATmega328
    • CPU Speed: 16 MHz.
    • Voltage: 5V operating.
    • Pins: 14 digital (6 PWM), 6 analog.
    • Interfaces: UART, I2C, SPI.
    • Memory: 32 KB Flash, 2 KB SRAM, 1 KB EEPROM.
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    MEGA 2560 PRO Mini (EMBED) CH340G ATmega2560-16AU
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    MEGA 2560 PRO Mini (EMBED) CH340G ATmega2560-16AU

    1,990.00৳  Add to cart

     MEGA 2560 PRO Mini (EMBED) CH340G ATmega2560-16AU

    • Compatibility: Supports Mega 2560 and ATmega2560-based projects.
    • Power Supply: Powered via Micro USB connector.
    • Voltage Output: 5V (800mA) and 3.3V (800mA).
    • Ideal Use: Excellent for ATmega2560 development projects.
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    Arduino Mega 2560 CH340
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    Arduino Mega 2560 CH340

    1,345.00৳  Add to cart

    • USB Driver: CH340
    • Operating Voltage: 5V
    • Recommended Input Voltage: 7-12V
    • Input Voltage Range: 6-20V
    • Digital I/O Pins: 54 (15 with PWM output)
    • Analog Input Pins: 16
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    Arduino Mega 2560 R3
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    Arduino Mega 2560 R3

    1,890.00৳  Add to cart
    • Microcontroller: ATmega2560.
    • Operating Voltage: 6–12V.
    • Digital I/O Pins: 54 (15 PWM).
    • Analog Input Pins: 16.
    • Flash Memory: 256 KB.
    • Clock Speed: 16 MHz.
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    Arduino Nano R3
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    Arduino Nano R3

    580.00৳  Add to cart
    • Microcontroller: ATmega328P
    • Flash Memory: 32KB
    • RAM: 2KB
    • Digital I/O Pins: 14 (6 PWM)
    • Analog Input Pins: 8 (A0–A7)
    • Operating Voltage: 5V
    • USB Driver: FT232
    • Power Supply: USB Mini, 7-12V DC
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    Arduino Nano
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    Arduino Nano

    410.00৳  Add to cart
    • USB Driver: CH340 for seamless USB communication.
    • Microcontroller: ATmega328P (8-bit AVR family).
    • Operating Voltage: 5V (logic level).
    • Analog Input Pins: 8 (A0 ~ A7).
    • Digital I/O Pins: 14 (including 6 PWM outputs).
    • Flash Memory: 32KB (includes bootloader).
    • Reset: Manual reset switch available.
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    Arduino Uno R3
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    Arduino Uno R3

    1,050.00৳  Add to cart

    • Microcontroller: ATmega328
    • Operating Voltage: 5V
    • Input Voltage (recommended): 7-12V
    • Digital I/O Pins: 14 (6 with PWM output)
    • Analog Input Pins: 6
    • DC Current per I/O Pin: 20 mA
    • DC Current for 3.3V Pin: 50 mA
    • SRAM: 2 KB
    • EEPROM: 1 KB
    • Clock Speed: 16 MHz
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