Sensors

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 MQ-2 Combustible Gas Sensor Module is a semiconductor-based gas detection module designed to detect a wide range of flammable gases and smoke, including LPG, methane (CH₄), propane, hydrogen, alcohol vapors, carbon monoxide (CO), and smoke. Built around the MQ-2 gas sensor and an onboard LM393 voltage comparator, the module...

The MQ-5 Methane/LPG Gas Sensor Module is a semiconductor-based combustible gas detection module designed to detect LPG (Liquefied Petroleum Gas), methane (CH₄), propane, butane, natural gas, hydrogen, and town gas. Built around the MQ-5 gas sensor and an onboard LM393 voltage comparator, the module provides both analog (AO) and digital...

The IR Obstacle Avoidance Sensor Module with LM393 is a compact infrared proximity sensor designed to detect nearby objects without physical contact. It consists of an infrared (IR) transmitting LED, an IR receiving photodiode, and an onboard LM393 voltage comparator that converts the reflected infrared signal into a stable digital...

The HC-SR501 PIR Motion Detection Sensor is a passive infrared (PIR) sensor module designed to detect the motion of humans and animals by sensing changes in infrared radiation emitted by warm objects. The module incorporates a pyroelectric infrared sensor, BISS0001 motion processing IC, and a Fresnel lens, enabling reliable motion...

The ACS712 5A Current Sensor Module is a Hall-effect-based current sensing module designed to accurately measure both AC and DC currents up to ±5A. Built around the Allegro ACS712ELCTR-05B current sensor IC, the module provides an analog voltage output that is directly proportional to the measured current while offering galvanic...

The ACS712 30A Current Sensor Module is a Hall-effect-based current sensing module designed to accurately measure both AC and DC currents up to ±30A. Built around the Allegro ACS712ELC-30A current sensor IC, the module provides an analog voltage output that is directly proportional to the measured current while maintaining galvanic...

The 0–25V Voltage Sensor Module is a compact voltage measurement module designed to safely measure DC voltages up to 25V using the analog input of a microcontroller. The module is based on a precision resistive voltage divider, which scales the input voltage down by a factor of 5:1, allowing voltages...

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 MQ-8 Hydrogen Gas Sensor Module is a semiconductor-based gas detection module specifically designed for detecting hydrogen (H₂) gas in the air. Built around the MQ-8 gas sensor and an onboard LM393 voltage comparator, the module provides both analog (AO) and digital (DO) outputs for easy interfacing with microcontrollers and...

The MQ-135 Air Quality Gas Sensor Module is a semiconductor-based gas detection module designed to monitor indoor air quality by detecting a wide range of harmful gases, including ammonia (NH₃), nitrogen oxides (NOx), benzene, alcohol, smoke, carbon dioxide (CO₂), sulfide, and other volatile organic compounds (VOCs). Built around the MQ-135...

The SW420 Vibration/Shock Sensor Module is a compact and highly sensitive vibration detection module designed to detect shocks, impacts, vibrations, and movement. The module is built around the SW-420 vibration switch and an onboard LM393 voltage comparator, which converts the vibration signal into a stable digital output for easy interfacing...