The HC-SR04 is a low-cost ultrasonic distance sensor module that measures distance to an object by emitting a burst of ultrasonic sound waves and timing how long it takes for the echo to return. By using the known speed of sound, the time delay between transmission and reception is converted into an accurate non-contact distance … Read more
The ICM-20948 is a 9-axis motion-tracking IMU that combines a 3-axis gyroscope, a 3-axis accelerometer, and a 3-axis magnetometer in a single compact package, alongside an onboard Digital Motion Processor (DMP) for sensor fusion. By measuring rotational movement, acceleration, and magnetic field direction, it provides accurate motion tracking, orientation sensing, and heading information at extremely … Read more
The BNO055 is an intelligent 9-axis absolute orientation sensor that combines a triaxial accelerometer, gyroscope, and magnetometer with an onboard 32-bit microcontroller running dedicated sensor fusion firmware, all inside a single package. By processing all three sensor inputs internally, it outputs ready-to-use orientation data directly, with no fusion algorithm required on the host side. This … Read more
The HC-SR501 is a low-cost passive infrared (PIR) motion sensor module that detects movement by sensing changes in infrared radiation emitted by warm bodies, such as humans and animals, passing within its field of view. By comparing infrared levels over time, it can provide a simple digital HIGH/LOW output whenever motion is detected. This makes … Read more
The GP2Y1010AU0F is a compact optical dust sensor manufactured by Sharp that combines an infrared emitting diode and a phototransistor in a single plastic housing. By detecting the intensity of light scattered by airborne particles, it can provide a real-time analog voltage output proportional to dust concentration in the surrounding air. This makes the GP2Y1010AU0F … Read more
The MPU9250 is a 9-axis inertial measurement unit (IMU) that combines a 3-axis gyroscope, a 3-axis accelerometer, and a 3-axis magnetometer in a single compact package. By measuring rotational movement, acceleration, and magnetic field direction, it can provide accurate motion tracking, orientation sensing, and heading information. This makes the MPU9250 ideal for applications that require … Read more
The PMS5003 is a digital particulate matter sensor that uses laser scattering technology to measure the concentration of airborne particles in three size categories: PM1.0, PM2.5, and PM10. It provides calibrated mass concentration data as well as raw particle counts through a UART interface, making it easy to integrate with microcontrollers and single-board computers. The … Read more
The MQ5 is an analog gas sensor designed to detect flammable gases such as LPG, natural gas, and town gas by measuring changes in the resistance of a heated sensing element. It provides both an analog output proportional to gas concentration and a digital output that can be triggered at a user-defined threshold. The sensor … Read more
The MPU6050 is a 6-axis inertial measurement unit (IMU) that combines a 3-axis gyroscope and a 3-axis accelerometer in a single compact chip. It is widely used in drones, self-balancing robots, motion-tracking systems, gaming controllers, and gesture-recognition devices. By measuring both acceleration and rotational movement, the MPU6050 can determine an object’s orientation, tilt, and motion … Read more
The MQ135 is an analog air quality sensor by Winsen Electronics that detects a broad range of toxic and pollutant gases by measuring resistance changes across a heated tin dioxide element. Unlike the rest of the MQ series (which each target one or two specific gases), the MQ135 is designed as a general-purpose air quality … Read more