This 5V Laser Detector Sensor Module features a high-level laser receiver that detects laser signals with precision. Operating voltage: 3.3V–5V, ideal for Arduino, IoT, and automation projects. With fast response time and excellent accuracy, it’s perfect for laser-based object detection and signal tracking in DIY electronics, line follower robots, and laser communication systems.
Monitor indoor and outdoor air quality with the MQ135 Gas Sensor Module, ideal for detecting CO₂, NH₃, benzene, alcohol, smoke, and harmful gases. It operates at 5V DC, offering both analog and digital outputs, making it compatible with Arduino, Raspberry Pi, and other microcontrollers. Fast response, long life, and adjustable sensitivity make it perfect for IoT, smart environment projects, and pollution control systems.