Temperature & Humidity Sensors

The HR202 Humidity Detection Sensor Module is a compact resistive humidity sensing module designed for detecting changes in relative humidity (RH) and providing a threshold-based output for monitoring and control applications. The module uses an HR202 resistive humidity sensor together with an LM393 voltage comparator, allowing it to detect when...

The NTC Thermistor Digital Temperature Sensor Module is a compact and sensitive temperature detection module designed for temperature monitoring, threshold detection, overheat protection, alarm systems, and automatic temperature control projects. The module uses an NTC (Negative Temperature Coefficient) thermistor as its temperature-sensing element and an LM393 voltage comparator to provide...

The DS18B20 Waterproof Temperature Sensor Probe is a digital temperature sensor designed for accurate temperature measurement in liquids, wet environments, outdoor installations, tanks, aquariums, and industrial systems. The sensor is enclosed inside a sealed stainless-steel probe and connected through an insulated cable, allowing the sensing probe to be placed in...

The Original DS18B20 Temperature Sensor is a high-precision digital temperature sensor that communicates using the 1-Wire® communication protocol, allowing multiple sensors to share a single microcontroller data pin. Manufactured by Analog Devices (formerly Maxim Integrated), the DS18B20 provides factory-calibrated digital temperature measurements with programmable 9-bit to 12-bit resolution, eliminating the...

The Original LM35 Temperature Sensor is a precision analog temperature sensor designed to provide accurate temperature measurements with an output voltage that is linearly proportional to temperature in degrees Celsius. Unlike thermistors, the LM35 is factory calibrated in Celsius and does not require external calibration or trimming, making it simple...

The Soil Moisture Sensor Hygrometer Module is a simple and cost-effective sensor designed to measure the moisture content of soil by detecting its electrical conductivity. It consists of a soil moisture probe and an LM393 comparator module. As the moisture level in the soil changes, the resistance between the two...

The KY-015 DHT11 Humidity and Temperature Sensor Module is a compact digital sensor module designed to measure both ambient temperature and relative humidity with a single device. It is based on the popular DHT11 digital sensor, which integrates a calibrated humidity sensing element, an NTC temperature sensor, and an internal...

The KY-013 Analog Temperature Sensor Module is a compact and easy-to-use temperature sensing module that uses a high-precision NTC (Negative Temperature Coefficient) thermistor to measure ambient temperature. Unlike digital temperature sensors, the KY-013 provides a continuously varying analog voltage that changes according to the surrounding temperature, allowing microcontrollers to perform...

The KY-028 Digital Temperature Module is a compact temperature sensing module designed to detect ambient temperature using a high-sensitivity NTC thermistor and an LM393 voltage comparator. The module provides both analog and digital outputs, allowing users to monitor continuous temperature changes or trigger events when a preset temperature threshold is...

The KY-001 DS18B20 Temperature Sensor Module is a high-precision digital temperature sensing module based on the popular DS18B20 digital temperature sensor. It communicates using the 1-Wire protocol, allowing multiple sensors to operate on a single data line while requiring only one microcontroller pin for communication. The DS18B20 provides accurate temperature...

It provides resistance of 10K ohm at 25° C.10K Ohm NTC Thermistor can measure temperatures in the range of -55°C to 125°C. It is a very economical sensor. The thermal cooling time constant for this NTC thermistor (in the air) is less than equal to 20 seconds. The thermistor is...