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

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.

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• Originally made for Keurig coffee brewing machines.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).

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.

Discover the 50Kg Resistance Train Half-Bridge Weight Sensor by Keyestudio, perfect for various electronic weighing devices in Bangladesh. This set includes four sensors, each with a total rated load of 50Kg, ideal for hopper scales, platform scales, and more.

The PIC12F675 is a powerful and easy-to-program CMOS Flash-based 8-bit microcontroller from Microchip. It features the robust PIC® MCU architecture, making it suitable for a wide range of applications, including automotive, industrial, appliances, and consumer entry-level products. This microcontroller is designed for field re-programmability, offering flexibility and convenience.

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 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 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 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

The PIC16F84A is a powerful and easy-to-program CMOS Flash/EEPROM-based 8-bit microcontroller from Microchip. It features the robust PIC® architecture, making it suitable for a wide range of applications, including automotive, industrial, appliances, low power remote sensors, electronic locks, and security applications. This microcontroller is designed for both prototyping and production, with the ability to update the end application without removing the device via In-Circuit Serial Programming (ICSP).

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

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

LCD Blue Display 16x1 - 1601 Module with white backlight is perfect for Arduino projects and other microcontroller applications. This single-line display features clear white text on a blue background, making it easy to read.

• Model: 1601
• Display Size: 16x1 characters
• Backlight: White
• Interface: I2C
• Input Voltage: 5V

Great for adding visual output to your projects!

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:

• Wide operating voltage range of 4.5-30V DC for versatile use.
• IP68 protection rating ensures resistance to dust and water, allowing for reliable outdoor use.
• High accuracy with ±3% FS depending on the parameter being measured.
• RS485 communication protocol (Modbus) for long-distance data transmission and integration with other systems.