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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!

ESP-32 NodeMCU 30Pin
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ESP-32 NodeMCU 30Pin

410.00৳  Add to cart
  • 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
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
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!

ESP-32 NodeMCU 30Pin Type-C
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ESP-32 NodeMCU 30Pin Type-C

450.00৳  Add to cart
  • Product Name: ESP-32 NodeMCU 30Pin Type-C
  • Wi-Fi Module: ESP-WROOM-32s with IEEE 802.11 b/g/n
  • Built-in Flash: 32Mbit
  • Interfaces: UART, GPIO, ADC, DAC, SDIO, PWM, I2C, I2S
  • Logic Level: 3.3V
  • Power Supply: 5V
  • Availability: Available at 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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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!

STM32F103C8T6 ARM Minimum System Development Board
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STM32F103C8T6 ARM Minimum System Development Board

370.00৳  Add to cart
  • Model: STM32F103C8T6
  • Core: ARM Cortex-M3 32-bit CPU
  • Clock Speed: 72MHz
  • Memory: 64KB Flash, 20KB SRAM
  • Power Supply: 2.0V - 3.6V
  • Onboard Mini USB for Power & Communication
  • Ideal for STM32 Development & Prototyping
  • Available at: Circuit City BD
KY-026 The Flame Sensor Module Digital & Analog Output
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KY-026 The Flame Sensor Module Digital & Analog Output

85.00৳  Add to cart
  • 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
Flame Sensor Fire Detection Module
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Flame Sensor Fire Detection Module

70.00৳  Add to cart
  • 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
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
Raspberry Pi 5 4GB
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Raspberry Pi 5 4GB

14,100.00৳  Add to cart

Raspberry Pi 5 4GB

  • Raspberry Pi 5 4GB Single Board Computer
  • Superior graphics performance suitable for multimedia applications and gaming
  • Versatile connectivity options including Gigabit Ethernet, dual-band Wi-Fi, and Bluetooth 5.0/BLE
  • Enhanced peripherals including USB ports, RTC, and 4Kp60 display outputs with HDR support
  • Compatible with Home Assistant for secure and reliable home automation
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3.5 inch Raspberry Pi Display
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3.5 inch Raspberry Pi Display

3,800.00৳  Add to cart

3.5 inch Raspberry Pi Display

  • Resolution: 480x320, Type: TFT Display, Interface: SPI.
  • Touchscreen: Resistive, Controller: XPT2046.
  • Compatibility: Raspberry Pi B, B+, 2, and 3.
  • Colors: 65,536, Backlight: LED.
  • Dimensions: 84.91×56.54 mm, Weight: Lightweight.
  • Accessories: Includes touch pen for interactivity.
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Raspberry Pi Camera Module(5MP)
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Raspberry Pi Camera Module(5MP)

880.00৳  Add to cart

Raspberry Pi Camera Module(5MP)

  • Resolution: 5 MP for clear images.
  • Video Support: 1080p30, 720p60, 640x480p60/90.
  • Interface: CSI (Camera Serial Interface).
  • Compatibility: Raspberry Pi 3 & 4 Model B.
  • Plug-n-Play: Easy to set up.
  • Lightweight: Compact and portable design.
  • Power Efficient: Low power usage.
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Raspberry Pi Camera Module V2(8MP,1080P)
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Raspberry Pi Camera Module V2(8MP,1080P)

4,690.00৳  Add to cart

Raspberry Pi Camera Module V2(8MP,1080P)

  • Resolution: 8MP, 3280 x 2464 pixels.
  • Sensor: Sony IMX219 with fixed-focus lens.
  • Video: Supports 1080p30, 720p60, 640x480p90.
  • Connectivity: CSI interface with ribbon cable.
  • Compatibility: Works with Raspberry Pi boards.
  • Design: Compact, lightweight, beginner-friendly.
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Raspberry Pi Zero 2 W
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Raspberry Pi Zero 2 W

4,600.00৳  Add to cart

Raspberry Pi Zero 2 W

  • Quad-core 1GHz CPU for smooth performance
  • 512MB RAM to handle multiple tasks
  • 2.4GHz Wi-Fi for easy wireless connectivity
  • Mini HDMI port for video output
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Raspberry Pi 5 8GB
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Raspberry Pi 5 8GB

15,420.00৳  Add to cart

Raspberry Pi 5 8GB

  • Model: Raspberry Pi 5, 8GB LPDDR4X RAM.
  • Processor: Quad-core Cortex-A76, 64-bit.
  • Graphics: 800MHz VideoCore VII GPU.
  • Connectivity: Gigabit Ethernet, Wi-Fi, Bluetooth 5.0.
  • Power: 5V/5A DC (PD-enabled).
  • Ports: PCIe 2.0, USB 3.0/2.0, UART.
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Raspberry Pi Pico
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Raspberry Pi Pico

870.00৳  Add to cart

Raspberry Pi Pico

  • Processor: Dual-core ARM Cortex M0+, 133MHz flexible clock.
  • Storage: 264KB SRAM, 2MB onboard Flash memory.
  • GPIO: 26 multifunction pins, including 3 analog inputs.
  • Interfaces: 2× SPI, 2× I2C, 2× UART, 3× ADC, 16× PWM.
  • Power: USB Type-C, supports 1.8–5.5V DC input.
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