The G3/4" Thread Hall Effect Liquid Water Flow Sensor Switch Flow Meter is a compact and durable device designed for measuring the flow rate of water in industrial applications. It features a Hall effect sensor that provides analog and switch output signals, making it accurate and reliable for monitoring and controlling liquid flow. The device is easy to install and operate and is capable of withstanding harsh operating conditions.

The Waterproof Digital Thermal Probe or Sensor DS18B20 DS18B20 Arduino Sensor is a temperature sensor with a temperature range of -55°C to +125°C and an accuracy of ±0.5°C. It has a waterproof stainless steel casing, uses a one-wire digital interface, and can be easily interfaced with Arduino boards or other microcontrollers. The sensor is versatile and suitable for a wide range of temperature monitoring applications in harsh or wet environments.

The Waterproof Digital Thermal Probe LM35DZ Temperature Probe sensor Module is a small electronic device designed to accurately measure temperature in harsh environments. It has a waterproof housing and can measure temperatures from -55°C to 150°C with an accuracy of ±0.5°C. The sensor module is compatible with digital systems and has a low power consumption, making it ideal for a variety of temperature measurement applications.

The PT100 Platinum Resister Temperature Sensor Waterproof Probe is a highly accurate temperature sensor that can measure temperatures ranging from -20℃ to 450℃. Its waterproof design makes it suitable for use in wet or humid environments, and its stainless steel probe ensures durability and corrosion resistance. It has a fast response time of less than 5 seconds and is ideal for use in industrial, laboratory, and other high-temperature environments.

The SCT013 is a non-invasive clamp AC current sensor capable of measuring up to 100A of alternating current. It features a split-core design that allows for easy installation around conductors without the need to disconnect them. The sensor outputs a low-voltage AC signal proportional to the current being measured, which can be read by a microcontroller or other data acquisition device. With its compact size and high accuracy, the SCT013 is ideal for monitoring power consumption in a variety of applications, including home automation, energy management, and industrial control systems.

The MPS20N0040D-D Sphygmomanometer Pressure Sensor is a compact and high-precision device used for measuring pressure in sphygmomanometers. It has a pressure range of 0-40 kPa, operates on 5VDC, and outputs a voltage range of 0.2-4.7VDC. The sensor features a DIP-6 package, making it easy to install on a breadboard or PCB, and is compatible with Arduino boards. Its accuracy of +/-1.5%FS and fast response time of less than 2ms make it an excellent choice for medical, industrial, and research applications that require precise pressure measurements.

The CH-738C Plastic Front Panel input Advanced CPU Coin acceptor is a durable and reliable device designed for use in vending machines. It features an advanced CPU for precise coin recognition and processing, a built-in anti-stringing mechanism, and compatibility with a wide range of vending machines. Its compact design and easy installation make it a great choice for businesses looking to improve their vending operations.

Mini magnetic reed modules are electronic sensors designed for use with Arduino microcontrollers. These modules consist of a small, cylindrical reed switch that is sensitive to magnetic fields, and an on-board LED that provides a visual indication of the switch state. The modules can be powered by a voltage range of 3-5.5V, making them compatible with a wide range of Arduino boards. When a magnetic field is detected by the reed switch, the switch state changes, and the LED on the module lights up. This makes the module useful for detecting the presence of magnets, such as in proximity sensors, magnetic door alarms, and other similar applications.

The HB100 Microwave Doppler Radar Detector Probe Wireless Sensor Module is a compact and lightweight sensor module that uses microwave technology to detect motion and speed. It has a detection range of up to 20 meters and operates on a frequency of 10.525 GHz. The module is suitable for various applications, such as security systems, automated doors, and industrial automation. It has a TTL level output interface that goes high when motion is detected, and it is easy to integrate into different systems. The HB100 module is a reliable and versatile sensor module that provides accurate motion detection and speed measurement.

The CJMCU-30205 MAX30205 is a highly accurate and reliable digital temperature sensor specifically designed for measuring human body temperature. It has an accuracy of ±0.1°C and a resolution of 0.00390625°C, making it ideal for medical applications. The sensor communicates over I2C and is powered by 2.7V to 3.3V, with a low operating current of 120 μA and standby current of 0.5 μA. Its compact size and easy integration with microcontrollers make it an excellent choice for portable and battery-powered devices.

The Ultrasonic Ranging Distance Detector Sensor Module Waterproof HC-SR04 M126 is a compact and waterproof device that uses ultrasonic sound waves to accurately measure distances. It has a measuring range of 2 cm to 400 cm with an accuracy of 3 mm, and can be easily interfaced with microcontrollers using a simple digital I/O pin. The module is versatile and suitable for a wide range of applications, such as robotics, automation, and outdoor distance sensing.

The MPU9250 BMP280 GY-91 10DOF Acceleration Gyroscope Compass Nine Shaft Sensor is a compact and versatile sensor module that combines a 3-axis accelerometer, 3-axis gyroscope, 3-axis magnetometer, and barometric pressure sensor. It is designed to provide accurate measurements of motion, orientation, and environmental conditions for a wide range of applications. The module communicates over I2C and SPI interfaces and includes built-in voltage regulators for stable operation. Overall, it is a useful sensor module for robotics, drones, and environmental monitoring systems.