Sensors

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...

The TTP224 4-Channel Touch Sensor Module is a capacitive touch input module designed to replace traditional mechanical push buttons with reliable touch-sensitive controls. Based on the TTP224 capacitive touch detection IC, the module provides four independent touch pads, each with its own digital output, allowing users to easily implement touch...

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 MQ-3 Gas Sensor Module is a semiconductor-based alcohol detection module designed to sense ethanol (alcohol) vapors in the air. Built around the MQ-3 gas sensor, it uses a tin dioxide (SnO₂) sensing element whose electrical conductivity increases as the alcohol concentration rises. The module provides both analog (AO) and...

The TSOP1838 IR Receiving Head is a compact infrared receiver designed to detect and decode 38kHz modulated infrared signals commonly used in remote control systems. It integrates a PIN photodiode, preamplifier, automatic gain control (AGC), band-pass filter, and demodulator into a single package, providing a clean digital output that can...

The 49E Linear Hall-Effect Sensor is a high-sensitivity analog magnetic field sensor designed to detect both the strength and polarity of magnetic fields. Unlike digital Hall sensors that simply switch ON or OFF, the 49E provides a continuous analog voltage output that changes proportionally with the magnetic field intensity, making...