The DHT21/AM2301 is a high-precision capacitive digital temperature and humidity sensor operating at 3.3V–5.5V. It offers a wide temperature range of -40°C to 80°C and 0–100% RH with ±0.5°C and ±3% RH accuracy. Ideal for Arduino, IoT, weather monitoring, and smart home automation projects.
The DHT22 Temperature & Humidity Sensor is a high-precision digital sensor ideal for Arduino, Raspberry Pi, IoT, HVAC, and weather monitoring systems. It offers accurate temperature and humidity readings, making it perfect for environmental monitoring and smart home automation.
The Honeywell HIH-5031-001 Humidity Sensor is a high-performance, analog-output, 3-pin humidity sensor that delivers accurate, reliable, and fast humidity measurements. Ideal for industrial, HVAC, medical, and environmental monitoring applications.
The LM393 1-Channel Digital Humidity Sensor Relay Module is a compact control board that uses an onboard humidity detection probe and LM393 comparator to automatically trigger a relay output based on moisture/humidity levels. Ideal for automation, smart agriculture, and Arduino projects.