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

• 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.

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

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.

• 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.

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 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 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.

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.

• High Accuracy: Provides precise current measurement for analog voltmeters.
• Durable Build: Works in harsh environmental conditions from -40°C to +60°C.
• Stable Performance: Maintains stability under shock frequency endurance of 80-120 times/min.
• Overload Protection: Handles up to 120% of the rated current without performance loss.

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 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 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

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

Discover the Arduino Nano ATmega328p, a powerful microcontroller board designed for a variety of electronic projects in Bangladesh. Featuring the Atmel ATmega328 microcontroller, it operates at 5V with a recommended input voltage of 7-12V. With 14 digital I/O pins and 8 analog input pins, it offers versatile connectivity and performance for your DIY electronics.

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%