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 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 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 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

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 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 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.

Discover the LDR Photoresistor Large 10mm GL10516, a highly sensitive light-dependent resistor ideal for various electronic applications in Bangladesh. With a diameter of 10mm, it features a maximum voltage of 250 VDC and an operating temperature range of -30˚C to +70˚C. Perfect for projects requiring precise light detection.

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 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.

• Overvoltage and Overcurrent Protection: Ensures safe operation under high power and current.
• DC Power Supply: Operates on 20-50V DC (36V recommended).
• High Drive Current: Supports a maximum current of 4.2A.
• Standby Current Reduction: Option to set standby current to half for efficiency.

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 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.

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).

Key Features:

• Operating voltage: 12V DC
• Durable and efficient design
• Suitable for various applications including aquariums, water features, and solar water systems
• Compact and easy to install