The DFRobot Fermion MEMS Ammonia NH3 Gas Detection Sensor (Breakout, 1-300ppm) is a highly sensitive and compact sensor designed to detect ammonia gas concentrations ranging from 1 to 300 parts per million (ppm). Using advanced MEMS (Micro-Electro-Mechanical Systems) technology, this sensor delivers fast, accurate, and stable readings, making it suitable for environmental monitoring, industrial safety, agricultural applications, and air quality control. This breakout board is optimized for easy integration with microcontrollers such as Arduino, Raspberry Pi, and ESP32. It provides both analog and digital output options, enabling versatile interfacing based on project needs. The sensor’s small form factor and low power consumption make it ideal for portable and battery-powered devices. Thanks to its robust construction and high selectivity, the DFRobot Fermion Ammonia Sensor can operate reliably in complex environments, distinguishing ammonia from other gases with minimal interference. This sensor supports continuous monitoring and provides real-time data to help detect leaks, assess air quality, or maintain safe levels in confined spaces. With thorough documentation and support, this sensor is a dependable choice for developers and engineers seeking an efficient solution for ammonia gas detection.