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:

Discover the 4 Pin Push Switch, a small SMD tactile switch perfect for various electronic applications in Bangladesh. Measuring 6x6mm, it features an operating force of 180/250(±30gf) and a lifespan of 100,000 times. Ideal for microcontroller projects and DIY electronics, this switch is designed for reliability and ease of use.

The Atmel ATtiny13A-PU is a picoPower 8-bit AVR RISC-based microcontroller designed for high performance and low power consumption. This microcontroller is ideal for a variety of applications, offering a compact and efficient solution with its powerful instruction set and versatile features.

The 5 Watt 2.2 Ohm Ceramic Cement High Power Resistor is a robust and reliable component for various electronic applications. With a 5% tolerance and easy mounting, this resistor ensures precise performance and long life. RoHS compliant.

Key Features:

• Standard Type with Excellent Ratings
• Long Life
• Easy Mounting
• RoHS Compliant
• Color: White
• Resistor Size: 22x9x5mm
• Lead Diameter: 0.7mm
• Resistance Value: 2.2Ω
• Power Rating: 5W
• Material: Organic solid (Cement)
• Resistance Tolerance: ± 5%

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 5 Watt 10 Ohm Ceramic Cement High Power Resistor is a reliable and durable component designed for various electronic applications. Featuring a 5% tolerance and easy mounting, this resistor ensures precise performance and long life. RoHS compliant.

Key Features:

• Standard Type with Excellent Ratings
• Long Life
• Easy Mounting
• RoHS Compliant
• Color: White
• Resistor Size: 22x9x5mm
• Lead Diameter: 0.7mm
• Resistance Value: 10Ω
• Power Rating: 5W
• Material: Organic solid (Cement)
• Resistance Tolerance: ± 5%

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.

Discover the Arduino Uno R3 with SMD Atmega328 IC, a versatile microcontroller board designed for various electronic projects in Bangladesh. Operating at 5V with a recommended input voltage of 7-12V, it features 14 digital I/O pins, 6 PWM outputs, and 6 analog inputs, making it perfect for DIY electronics and prototyping.

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

The Arduino Uno R3 is a versatile and powerful microcontroller board based on the ATmega328P. It is designed for a wide range of applications, from simple projects to complex systems. This board is perfect for beginners and experienced developers alike, offering a robust platform for prototyping and development.

Discover the SD Card Reader Module for Arduino, designed for simple operation and wide compatibility. This module supports standard WAV files and external SD card expansion, making it ideal for various audio and data projects in Bangladesh.

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 Digital Caliper High Quality is a precision measuring tool designed for accurate measurements. With its 150mm range, it offers dual reading in both metric and imperial units. The extra-large display screen and four measurement functions ensure ease of use and versatility, while the fine adjustment roller provides precision. Complete with a storage case and battery, it's the perfect tool for various measuring tasks.

Key Features:

• Metric or imperial dual reading
• Extra-large display screen
• Four measurement functions
• Fine adjustment roller
• Complete with storage case and battery

Discover the DC Gear Motor / Magnetic Anti-interference Smart Car Chassis, ideal for robotics and smart car projects in Bangladesh. Operating at 3-6V, it features a gear ratio of 1:48 and offers reliable performance with minimal interference.

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