Arduino6 [Arduino Nano/나노] AM2302(DHT22) 온습도 센서 [Arduino Nano/나노] AM2302(DHT22) 온습도 센서 Overview This is a calibrated digital temperature and humidity module with onboard sensor DHT22, which features higher accuracy and wider measuring range than DHT11. It can be used for detecting ambient temperature and humidity, through the standard single-wire interface. Specifications Temperature Resolution : 0.1°C Accuracy : ±0.5℃ Measuring range : -40°C.. 2021. 1. 28. [Arduino Nano/나노] MH-Z19B CO2 센서 MH-Z19B CO2 센서 NDIR 원리를 사용하여 공기 중 CO2를 감지하는 센서 (자세한 내용은 하단의 데이터시트 참고) Main parameters Model Name MH-Z19B Detection Gas CO2 Working Voltage 4.5 ~ 5.5V DC Average Current < 20mA (@5V power supply) Peak Current 150mA (@5V power supply) Interface Level 3.3V (Compatible with 5V) Detection Range 0~2000/5000/10000ppm (optional) Output Signal Serial Port (UART) (TTL level 3.3V) PWM Analog output (DAC) (.. 2021. 1. 25. 이전 1 2 다음