The 8x8 LED Matrix Module (60x60mm) QFT2388ASR is ideal for building custom LED displays that can be interfaced with an Arduino microcontroller. This module includes 64 LEDs, capacitors, resistors, and a MAX7219CNG serially interfaced 8-digit LED display driver, making it perfect for DIY projects.

Key Features:

• LEDs: 64 x 5mm White LEDs
• Capacitors: 1 x 10uF electrolytic, 1 x 0.1uF ceramic
• Resistors: 1 x 10k ohm resistor
• Driver IC: MAX7219CNG Serially Interfaced 8-Digit LED Display Driver
• Power Supply: Compatible with Arduino
• Dimensions: 60x60mm

The 4-ARRAY Infrared Tracking Obstacle Avoidance Car Sensor is designed for Arduino projects, offering reliable tracking and obstacle avoidance capabilities. This sensor operates at 3.3V to 5V DC, providing adjustable detection distances between 1 mm to 60 cm. Ideal for robotics and smart car applications.

Key Features:

• Working Voltage: 3.3V to 5V DC

• Current Requirement: Use more than 1A power supply

• Working Temperature: -10°C to +50°C

• Detection Distance: 1 mm to 60 cm adjustable

• Installation: M3 screw aperture

• Control Plate Size: 44 mm x 30 mm x 8.5 mm

• Small Board Sensor (Obstacle Avoidance): 11 mm x 25 mm x 10 mm

• Small Plate Sensor (Tracking): 20 mm x 11 mm x 15 mm

The Mini Submersible Water Pump is perfect for various applications, offering a reliable and efficient solution for your water pumping needs. Ideal for use in aquariums, fountains, and other small water projects.

• DC Voltage: 3V
• Working Current: 130-220mA
• Power: 0.4-1.5W
• Maximum Lift: 40-110cm (15.75"-43.4")
• Flow Rate: 100L/H
• Outside Diameter of Water Outlet: approx. 7.5mm (0.3")
• Inside Diameter of Water Outlet: approx. 4.7mm (0.18")
• Dimensions: Diameter: 24mm (0.95"), Length: 45mm (1.8"), Height: 33mm (1.30")

Discover the 3x4 Matrix Key Pad, a robust and reliable membrane keypad featuring 12 keys in a 3x4 layout. Perfect for microcontroller projects in Bangladesh, it operates within a voltage range of 3V to 5V DC and comes with Dupont 7 pins for effortless connection. This keypad is ideal for various electronic applications, designed to withstand everyday use.

The AT89S51 is a low-power, high-performance CMOS 8-bit microcontroller from Atmel’s 8051 family. This microcontroller is designed for a wide range of applications, offering robust performance and flexibility. It features 4KB of Flash programmable and erasable read-only memory (PEROM) and 128 bytes of RAM, making it suitable for various embedded systems.

Key Features:

• New water pump from excess inventory equipment.
• Originally made for Keurig coffee brewing machines.
• Operates on 12 VDC nominal, with a current of 720 mA.
• Primary inlet diameter: 9/16".
• Secondary inlet diameter: 1/8".
• Outlet diameter: 3/16".
• To obtain maximum flow, both inlets should be submerged.
• 4 blade impeller with magnetic coupling to prevent water ingress.
• Dimensions: 3 3/8" long x 2 1/8" wide x 1 5/8" tall.
• Motor diameter: 1 1/16".
• Comes with a built-in mounting bracket.
• Weight: 3.6 oz (101 g).

DC 12-24V 60W High Pressure Micro Diaphragm Water Pump

Ensure efficient water flow with the DC 12-24V 60W High Pressure Micro Diaphragm Water Pump. Designed for various applications, this durable pump provides a high flow rate and reliable performance.

• Rated Pressure: 0.8Mpa
• Maximum Flow: 5L/min
• Suction Distance: 2m
• Lift: 80m
• Range: 8m
• Voltage: 12V-24V
• Power: 60W
• Material: Plastic
• Intake Pressure: 0.2Mpa
• Weight: 7.1g

Package Includes: 1x DC 12-24V 60W High Pressure Micro Diaphragm Water Pump

The PIC16F73 is a powerful and easy-to-program CMOS FLASH-based 8-bit microcontroller from Microchip. It features the robust PIC® architecture, making it compatible with other PIC microcontrollers like the PIC16C5X, PIC12CXXX, and PIC16C7X series. This microcontroller is ideal for advanced A/D applications in automotive, industrial, appliances, and consumer electronics.

The MQ-4 Gas Sensor Module is designed to detect natural gas and methane, operating at a voltage of 5V. This module is ideal for environmental monitoring and safety systems. Key features include:

• Sensor Type: Semiconductor
• Operating Voltage: VCC - 5V±0.1
• Digital Output (DO): TTL 0 and 1 (0.1 and 5V)
• Analog Output (AO): 0.1-0.3V (relative to pollution), max 4V at high concentration
• Gas Detection: Natural gas/Methane
• Detection Concentration: 200-10000ppm
• Interfaces: 1 TTL input (HSW), 1 TTL output (ALR)
• Heater Consumption: <750mw
• Operating Temperature: 14 to 122°F (-10 to 50°C)
• Humidity: <95% RH
• Sensing Resistance: 10KΩ-60KΩ (1000ppm CH4)
• Load Resistance: 20KΩ
• Preheat Time: Over 24 hours
• Encapsulation: Bakelite, Metal cap

The ATmega128A is a high-performance, low-power 8-bit AVR RISC-based microcontroller from Microchip. It combines a wide range of features, making it suitable for various embedded applications. Here are the key specifications and features:

The ATmega328P chip with bootloader is a versatile and powerful microcontroller, widely used in various electronics projects. It is based on the AVR enhanced RISC architecture, providing efficient instruction execution and high performance. This microcontroller is pre-loaded with a bootloader, making it easy to program and integrate into your projects.

The MQ-7 Carbon Monoxide Gas Sensor Module is designed to detect CO gas with high accuracy. Operating at 5V DC, this sensor can detect concentrations ranging from 100 to 10000ppm. It provides both analog and TTL output signals, making it versatile for various applications.

Key Features:

• Main Chip: MQ-7 gas sensor
• Working Voltage: 5V DC
• Detection Range: 100 to 10000ppm
• TTL Output: Valid signal is low
• Analog Output: Provides variable voltage based on gas concentration

Discover the Mini White Push Button, a tactile micro switch perfect for various electronic projects in Bangladesh. Available in two sizes (6x6x4.3mm and 6x6x5mm), it features DIP mounting for easy installation and reliable performance.

The Digital Clamp Meter DT200 is a versatile and multifunctional tool for measuring electrical parameters with high accuracy. Equipped with a 3 1/2 digits LCD display, data-hold function, and low battery indication, this clamp meter is essential for any toolkit. Key specifications include:

• Max. Reading: 1999
• Data-hold function
• Low battery indication
• Audible continuity
• DC Voltage: 600V ±(0.8%+1dgt)
• AC Voltage: 600V ±(0.5%+1dgt)
• AC Current: 20A-200A ±(2.0%+5dgt)
• Resistance Test: 20KΩ ±(1.0%+2dgt)
• Continuity Test
• Diode Test
• Power Supply: 1.5V*2
• Max Display: 1999
• Weight: 310g (including battery)
• Dimensions: 193L×63W×37Hmm

The PIC18F4550 is an ideal microcontroller for low power (nanoWatt) and connectivity applications. It features three serial ports: FS-USB (12Mbit/s), I²C™, and SPI™ (up to 10 Mbit/s), along with an asynchronous (LIN capable) serial port (EUSART). With large amounts of RAM for buffering and enhanced Flash program memory, this microcontroller is perfect for embedded control and monitoring applications that require periodic connection with a personal computer via USB for data upload/download and firmware updates.

The 6-0-6 Volt 600mA Transformer is designed to provide reliable power with an industrial standard, heavy-duty quality. This transformer delivers a dual 6V output with a total current capacity of 600mA, making it suitable for various applications that require stable voltage and current. It’s a perfect fit for powering electronics projects and industrial equipment.

• Voltage: 2 x 6V
• Current: 1 x 600mA
• Quality: Industrial Standard, Heavy Duty
• Package Includes: 1x 6-0-6 Volt 600mA Transformer