9-in-1 Multifunctional Expansion Board

The DHT11 9-in-1 Multifunctional Expansion Board is a versatile sensor module designed for Arduino and other microcontroller development platforms. It integrates multiple commonly used components on a single board, making it ideal for learning, prototyping, and smart project development. This compact board combines a DHT11 humidity & temperature sensor, LM35 precision temperature sensor, IR receiver module, and an onboard buzzer, allowing you to build environmental monitoring, alarm, and remote-controlled applications with ease. 🔧 Key Features 9-in-1 multifunctional expansion board Integrated DHT11 digital humidity & temperature sensor Built-in LM35 analog temperature sensor for accurate readings Onboard IR receiver for remote control projects Active buzzer for sound alerts Standard pin headers for easy microcontroller connection Includes Dupont cables for quick setup Ideal for Arduino, DIY electronics & educational projects 📊 Applications Smart home aut