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 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 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 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 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

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 Mini Air Pump is a compact and efficient device designed for a variety of applications. It offers reliable performance in a small, easy-to-use package, making it perfect for inflating items quickly and conveniently.

• Compact and lightweight design
• Powerful inflation capabilities
• Easy to use and portable
• Suitable for inflating tires, sports equipment, and more
• Durable construction for long-lasting use

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 PIC16F628 is a powerful and easy-to-program CMOS Flash-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, and consumer electronics. This microcontroller is designed for low voltage programming and offers a variety of features that enhance its versatility and performance.

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).

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).

• 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 Servo Motor SG90, a compact and lightweight motor ideal for various applications requiring precise control and reliable performance. Operating at 3.0V to 7.2V, this servo motor is perfect for robotics, automation, and DIY projects in Bangladesh.

The AT89S52 is a low-power, high-performance CMOS 8-bit microcontroller from Atmel, featuring 8K bytes of in-system programmable Flash memory. This microcontroller is designed for a wide range of applications, offering robust performance and flexibility. It includes several standard features that make it suitable for embedded control applications.

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%