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A Thermistor PTC 2K is a temperature-sensitive resistor that increases in resistance as temperature increases. It has a nominal resistance of 2 kilo-ohms at room temperature, operates within a temperature range of -40°C to 125°C, and has a tolerance of +/- 5%. It is commonly used as a temperature sensor in electronic devices and systems.
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The Thermistor PTC 3K is a temperature-sensitive resistor with a resistance of 3,000 ohms at 25°C and a positive temperature coefficient of resistance. It is commonly used in electronic circuits for temperature sensing, overheat protection, and temperature compensation. The PTC 3K thermistor has an operating temperature range of -40°C to 150°C, a maximum power rating of 250mW, and a thermal time constant of 10 to 20 seconds.
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The RS485 Soil NPK Sensor is a device that measures the nutrient levels of soil, specifically Nitrogen, Phosphorus, and Potassium (NPK), which are essential for plant growth. It features an RS485 communication interface, which allows it to transmit data over long distances without significant signal degradation. The sensor is durable, accurate, and can be calibrated regularly to ensure precise measurements. It is an ideal tool for precision agriculture, allowing farmers and agricultural professionals to optimize crop yield and minimize fertilizer waste.
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The DS18B20 is a digital temperature sensor module that uses the one-wire communication protocol to measure temperatures ranging from -55°C to +125°C with an accuracy of ±0.5°C in the range of -10°C to +85°C. It is small, easy to use, and can be powered with a voltage ranging from 3V to 5.5V. The module has three pins: VCC, GND, and data, and can be easily integrated into projects with limited input/output (I/O) pins. Overall, the DS18B20 digital temperature sensor module is a popular choice for temperature monitoring applications in the Internet of Things (IoT), home automation, and industrial automation fields.
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A combustible gas detector with voice warning alarm is a safety device that detects the presence of combustible gases in the air and triggers an audible alarm and voice warning message to alert occupants of the potential danger. It is used in homes, commercial buildings, and industrial settings to prevent gas-related accidents and save lives. The detector should have high sensitivity, fast response time, and be certified by relevant safety organizations to ensure accurate and reliable detection. The voice warning alarm feature is particularly useful in noisy environments where the alarm might not be heard, providing occupants with a clear and customized warning message.
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The MB85RC256V FRAM 32KB Memory IC Development Tool Board Module Read/Write is a convenient and easy-to-use platform for developers to evaluate and test the Fujitsu MB85RC256V FRAM IC. With a built-in voltage regulator, LED indicator, and SPI interface, the board module allows for easy communication with the non-volatile memory IC, which has a capacity of 256 kilobits and fast access times of 150 ns. The IC is also highly durable, with the ability to perform over 10 trillion read/write cycles.
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The YF-S402 1/4" Water Flow Hall Sensor Switch Flowmeter is a compact and durable device that measures water flow rates in the range of 0.3-6 L/min with an accuracy of ±3%. It uses a Hall effect sensor to produce a pulse signal output, which can be used to control the flow of water in a pipeline. The flowmeter is made of high-quality materials, including a brass body and stainless steel rotor, which make it resistant to corrosion. It is easy to install and suitable for a wide range of applications, including water treatment, irrigation, and industrial processes.
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The AS608 Fingerprint Reader Sensor Module is a small, compact and low-cost biometric identification module that uses an optical sensor to authenticate individuals by their unique fingerprint. It is easy to use, with a simple command set for interfacing with the device, and can store up to 200 fingerprints. The module features an advanced algorithm that allows for accurate and fast fingerprint recognition, and it supports various programming languages such as C, C++, and Python. It is RoHS compliant and is suitable for security systems, access control, time and attendance management, and other similar applications that require biometric identification.
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The Infrared Sensor Receiver Module HX1838 KY-022 is a small, easy-to-use device that allows Arduino and other microcontrollers to detect and decode infrared signals from remote controls. It is compatible with various IR protocols and has a detection range of up to 18 meters. Its small size and low power consumption make it ideal for use in portable projects.
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The KY-024 Linear Magnetic Hall Sensor SEN45 is a small, low-cost sensor that can detect magnetic fields and convert them into an electrical signal. It has a linear output that is proportional to the strength of the magnetic field and a sensitivity of 45mV/G. The sensor operates within a voltage range of 4.5V to 24V DC, outputs an analog voltage signal, and has a compact size of 19mm x 15mm x 6mm. It is commonly used in robotics, automotive, and industrial control systems for position and displacement sensing applications.
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The LM35D LM35 Analog Temperature Sensor Module is a compact and reliable temperature sensor module that can accurately measure temperature in the range of -55°C to 150°C with an accuracy of ±0.5°C. It has a low power consumption and can operate on a wide range of power supply voltages. The output voltage of the module is proportional to the temperature in Celsius, making it easy to interface with a microcontroller or other digital circuitry. The LM35D module is widely used in various applications, including home automation, weather monitoring systems, industrial automation, and more.
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A soil nitrogen concentration sensor is a device used to measure the amount of nitrogen present in the soil. It typically consists of a probe that is inserted into the soil and contains an electrode that detects the concentration of nitrogen ions in the soil solution. The sensor's output is displayed on a digital screen and can be used to optimize fertilization strategies and improve crop yields. Soil nitrogen concentration sensors are valuable tools for farmers and agricultural researchers, allowing for precise monitoring and management of soil fertility, leading to more efficient and sustainable agricultural practices.
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The 1Kg Scale Load Cell Weight Weighing Sensor + HX711 A/D Weighing Module is a combination of a load cell weight sensor and an analog-to-digital weighing module. The load cell weight sensor is capable of measuring weights up to 1kg and converting it into an electrical signal. The HX711 A/D weighing module then converts this analog signal into a digital one that can be read by a microcontroller or computer. This combination is ideal for a variety of industrial, commercial, and hobbyist applications that require reliable and accurate weight measurements.
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The Water level Sensor Module DC 3V-5V is an electronic device that detects the level of water in a container or tank. It operates on a DC voltage of 3V-5V and provides a digital output signal. It is highly accurate and can detect even small changes in the water level. The module is easy to install and can be powered by a battery or an external power supply. It is suitable for a wide range of applications, including water tanks, aquariums, and smart home automation systems.
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The KY-031 Knock Sensor Module is a small sensor module that detects vibrations and knocks in its surrounding environment. It consists of a piezoelectric sensor that converts mechanical vibrations into electrical signals, which are then amplified and filtered to produce a clean output signal. The module is easy to use and can be connected to a microcontroller or Arduino board using three pins: power, ground, and signal. It provides both digital and analog outputs and can detect a wide range of frequencies. The KY-031 Knock Sensor Module is commonly used in projects that require detecting and responding to physical impacts or movements.
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The Carbon Monoxide, Methane and Combustible Gas Sensor Module MQ-9 is a device designed to detect the presence of Carbon Monoxide (CO), Methane (CH4) and other combustible gases in the environment. The sensor module is based on the MQ-9 gas sensor, which uses a microcontroller and a sensitive gas sensor to detect the presence of these gases.
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The XH-M203 12V Automatic Water Level Controller is a compact and easy-to-use device that is designed to maintain a constant water level in a container such as a tank or reservoir. It operates using a 12V DC power supply and comes with three sensor probes that detect the water level and automatically switch a pump or valve on or off to maintain the desired level. The device has two operating modes, automatic and manual, and features safety features such as overvoltage protection, short circuit protection, and reverse polarity protection.
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A Flex Sensor is a type of sensor that detects the amount of bend or deflection applied to it. It is a thin, flexible strip made of a conductive material that changes its resistance when it is bent. The sensor is commonly used in a wide range of applications, including robotics, medical devices, gaming controllers, and musical instruments. It can be used to measure the movement of joints in prosthetic limbs, the bending of fingers in gloves, the movement of joysticks in gaming controllers, and the strumming of guitar strings, among many other applications. Flex sensors are easy to install and can be integrated into a range of products and systems, making them an important component in the development of many innovative products and technologies.
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A non-contact digital water/liquid level sensor is a type of sensor that can measure the level of liquid in a tank or container without physically touching the liquid. It uses a non-contact method, such as ultrasonic or infrared technology, to determine the distance between the sensor and the liquid surface, and thus calculate the liquid level. These sensors are commonly used in water and wastewater treatment, industrial process control, oil and gas production, and agriculture applications due to their high accuracy, reliability, and ease of installation and maintenance.
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The AD8232 ECG Measurement Heart Rate Sensor SEN31 is a compact and easy-to-use sensor for measuring electrocardiogram (ECG) signals and heart rate. It features the AD8232 signal conditioning block for high-quality ECG signal processing, and is suitable for various applications such as fitness tracking, medical monitoring, and research. The sensor is designed to be used with adhesive ECG electrodes and has a low power consumption and small form factor, making it ideal for wearable devices.
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