Sensor de gas MikroElektronika Ammonia Click - MIKROE-4151, para usar con MQ-137 | RS
1pcs MICS-6814 Air Quality Gas Sensor Module Gas Detection Carbon Monoxide CO/Nitrogen Dioxide NO2/Ammonia NH3 Sensor for Arduino : Amazon.es: Bricolaje y herramientas
MICS-6814 Air Quality CO NO2 NH3 Nitrogen Carbon Gas Sensor Module for Arduino เซ็นเซอร์ตรวจวัดคุณภาพอากาศ - Arduino, Raspberry Pi, NodeMCU, IoT, Nvidia, Lora, AI, Machine Learning, Teensy, Lidar : Inspired by LnwShop.com