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Electronics Module (11)

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Development Boards (30)

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Sensors (32)

Cables/Wires/Connectors (10)
- 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
- 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: 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
PVC White Board | 12 x 12 inch | 5mm Thickness
Durable, Lightweight & Easy to Cut
Perfect for DIY Projects, Model Making, Robotics
Now Available at Circuit City BD – Get Yours Today!
- 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
- 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
- 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 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
- 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
- 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
- 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.
22 AWG solid tinned copper wire
1FT length, insulated with high-grade PVC
Rated for 300V and up to 3A current
Ideal for breadboards, prototyping, and internal wiring
Available now at Circuit City BD
- 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
- 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
- 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
- Product Name: MAX30102 Heart Rate and Pulse Sensor Module
- LED Wavelength: Red: 660nm, Infrared: 880nm
- Power Supply Voltage: 3.3V~5V
- Communication Interface: I2C
- Applications: Wearables, medical monitoring, fitness devices
- Availability: Available at Circuit City BD
- Product Name: Heart Rate Pulse Sensor Module
- Power: 3-5V
- Diameter: 16mm
- Magnification: 330
- LED Wavelength: 609nm
- Availability: Available at Circuit City BD
- Product Name: AS608 Optical Fingerprint Sensor
- Resolution: 500dpi
- Supply Voltage: 3.3V
- Fingerprint Image Entry Time: <1.0 seconds
- Communication Interface: USB/UART
- Availability: Available at Circuit City BD
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
7 inch Raspberry Pi HDMI Touchscreen LCD
- Resolution: 1024 x 600 pixels
- Display Type: 7-inch IPS screen
- Touch Type: 5-point capacitive touch
- Touch Control: USB capacitive touch control
- Compatibility: Supports Raspbian, Ubuntu, Kali, Retropie, and WIN10 IoT
- Interface: HDMI display port
- Screen Size: 7 inches