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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)

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    Cables/Wires/Connectors (10)

    • 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
    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
    ESP-8266 (CH340) NodeMCU Lua V3
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    ESP-8266 (CH340) NodeMCU Lua V3

    390.00৳  Add to cart
    • Product Name: ESP-8266 (CH340) NodeMCU Lua V3
    • Wi-Fi Module: Built-in ESP8266
    • Power Supply: 4.5V ~ 9V (USB-powered)
    • Communication: UART/GPIO interface
    • Flash Size: 4MB
    • Availability: Available at 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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    Sonoff Basic R2 – WiFi Wireless Smart Switch
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    Sonoff Basic R2 – WiFi Wireless Smart Switch

    720.00৳  Add to cart
    • 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
    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
    SIM800L GPRS GSM Breakout Module
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    SIM800L GPRS GSM Breakout Module

    370.00৳  Add to cart
    • 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
    ESP-8266 NodeMCU OLED Module
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    ESP-8266 NodeMCU OLED Module

    1,250.00৳  Add to cart
    • Product Name: ESP-8266 NodeMCU OLED Module
    • Display: Integrated 0.96″ OLED
    • Power Supply: 5V via Micro USB
    • Compatibility: Arduino & NodeMCU (Lua for ESP8266)
    • Connection: Micro USB
    • Availability: Available at Circuit City BD
    ESP-8266 NodeMCU Lua V3
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    ESP-8266 NodeMCU Lua V3

    650.00৳  Add to cart
    • Product Name: ESP-8266 NodeMCU Lua V3
    • Wi-Fi Module: Built-in ESP-12E
    • Power Supply: 5V (via micro USB)
    • Communication: GPIO, PWM, I2C, ADC, UART, SPI
    • Flash Size: 4MB
    • Availability: Available at Circuit City BD
    ESP-32 Camera Module OV2640
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    ESP-32 Camera Module OV2640

    850.00৳  Add to cart
    • Product Name: ESP-32 Camera Module OV2640
    • Wi-Fi Module: ESP32-S with 802.11 b/g/n and Bluetooth 4.2 LE
    • Camera Module: OV2640 (2MP)
    • Storage: Micro SD card slot (Supports up to 4GB)
    • Interfaces: UART, SPI, I2C, PWM, ADC, DAC
    • Availability: Available at Circuit City BD
    ESP-32 (CH340C Version) NodeMCU 38 Pin
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    ESP-32 (CH340C Version) NodeMCU 38 Pin

    580.00৳  Add to cart
    • ESP-32 (CH340C Version) NodeMCU 38 Pin
    • Built-in WiFi + Bluetooth connectivity
    • USB CH340 chipset for easy programming
    • Supports multiple peripheral interfaces
    • Available now at Circuit City BD
    ESP-32 (WROOM) NodeMCU 38 Pin
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    ESP-32 (WROOM) NodeMCU 38 Pin

    690.00৳  Add to cart
    • 2.4GHz Dual-Mode WiFi + Bluetooth Development Board
    • Ultra-Low power consumption with IDE compatibility
    • High-performance microcontroller for IoT applications
    • Available now 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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