• Can detect multiple gases: CO, NO2, C2H5OH, H2, NH3, and CH4
• High sensitivity with ppm detection range
• Compact design for easy integration in various applications
• Low power consumption

• Full HD 1080P resolution with up to 120FPS for smooth video capture
• AI-powered visual recognition for advanced object detection and tracking
• Wide field of view (80°–120°) for enhanced coverage
• USB 2.0 plug-and-play compatibility for easy setup and fast data transfer

• SWIM Interface: For connection to the application via a pin header or a 2.54 mm pitch connector
• Voltage Supported: 1.65V to 5.5V application voltage on the SWIM interface
• Programming Modes: Supports both low-speed and high-speed SWIM modes
• Programming Speed: 9.7 Kbytes/s (low-speed) and 12.8 Kbytes/s (high-speed)

Discover the Arduino Mega 2560 R3 (CH340), a high-performance microcontroller board made in China, perfect for various electronic projects in Bangladesh. Featuring the CH340 microcontroller, it operates at 5V with a recommended input voltage of 7-12V. With 54 digital I/O pins, 16 analog input pins, and ample memory, it offers exceptional connectivity and performance.

• Reserved M3 mounting holes for easy fixing in small car models
• Compact size: 2.5cm x 1.9cm
• Ideal for collision detection in robots or car models
• Simple pin configuration for easy connections

• SCM Chip: Powered by ATtiny13A for compact, low-power applications.
• I/O Ports: All I/O ports are led out and clearly tagged for easy access.
• ISP Interface: Equipped with an onboard ISP interface for programming and debugging.
• Reliable Reset Circuit: Includes a reliable reset circuit for consistent operation.

• Dual Voltage Compatibility: Works with both 3.3V and 5.0V power supply, offering flexibility in different setups.
• Signal Compatibility: Supports both 3.3V and 5.0V signal levels, making it adaptable to a variety of systems.
• Industrial Design: Uses imported chips with industrial-grade design, offering superior anti-interference ability.
• Wide Operating Temperature: Can operate in harsh environments with a temperature range from -40°C to +85°C.

• Compatible with ESP-12E development kit (NodeMCU).
• Extend output ports for ESP-12 including SPI, UART, GPIO, AI, and 3.3V power interface.
• Directly drive 2-way motors with ease.
• Power switch for convenient operation.

• Multi-functional maintenance tester for frontline maintenance personnel
• Supports various testing modes: 5V mode, 3.3V mode, automatic mode, etc.
• Compatible with 74ch series, 74ls series, osmo series, CD4000 series, HEF400 series, 4500 series, and more
• Built-in database with over 1300 chip data models and 420 transistor data models

• Wide Input Voltage Range: Supports input from 5V to 32V for versatile usage.
• Wide Output Voltage Range: Adjustable output from 1.25V to 35V.
• High Conversion Efficiency: With a built-in 4A MOSFET, it achieves up to 94% efficiency.
• High Switching Frequency: Operates at 400KHz for reduced ripple.

• Dual-core 240MHz CPU with high-speed processing
• WiFi, Bluetooth Classic, and BLE support
• 520KB SRAM, capable of running FreeRTOS, MicroPython, and more
• Compact 25.2mm x 18mm size with onboard antenna

• Digitally programmable frequency and phase
• Supports sinusoidal, triangular, and square wave outputs
• Wide frequency range: 0 MHz to 12.5 MHz
• Low power consumption: 12.65 mW at 3V

• Ambient Light Cancellation: Filters out ambient light interference for accurate readings
• High Sample Rate: Capable of fast data output
• Efficient Power Use: Low power consumption with a voltage range of 1.8V to 3.3V
• Compact Design: Small and lightweight for easy integration into various projects

• LCD Display for easy programming and time control
• Programmable Timer to automate power switching
• 24V Compatibility, ideal for various electrical applications
• Reliable Time Relay, suitable for street lamps, billboards, and automation systems

• High Current Capacity: Can drive up to 43A with the BTS7960B motor driver.
• PWM Control: Controlled via PWM1 and PWM2 signals, providing efficient speed and direction control.
• Wide Voltage Range: Operates with 5.5V to 27V power supply.
• Power Indicators: On-board 5V power indicator and motor driver output voltage indicator.

• Double-Sided Design: Offers ample space for component placement and circuit routing.
• Durable Construction: Made from Grade A materials for increased reliability.
• Ideal for Prototyping: Perfect for DIY electronics projects and prototyping.
• Pre-Printed Dot Pattern: Simplifies the soldering process, making it easy for beginners.