Best Sensor Blocks of 2026

HiLetgo Sensor Shield V5.0 is an upgraded sensor expansion board for Arduino UNO R3. It comes with buckled brick cables and ports for easy connections. The compact size of 57 x 57 x 19mm makes it convenient for various projects. The buckled port design with VCC, GND, and Output simplifies wiring tasks, allowing you to focus on your sensor applications without worrying about complex setups.

This kit consists of 5 HC-SR04 sensor blocks module, 3 mounting brackets and cables. The distance between the unit and the object is calculated by measuring the traveling time of sound and output it as the width of a TTL pulse. The kit is powered by 5V DC and has a quiescent current. Using IO trigger for at least 10us high level signal, when triggered it sends out a series of 40KHz ultrasonic pulses and receives echo from an object. The kit is compatible with Mega R3 Duemilanove Nano for Raspberry Pi 3 Robot.

The USonline911 MAX30102 Sensor is designed to help you easily monitor your heart rate and blood oxygen levels. It combines red and infrared LEDs with a sensitive photodetector and advanced electronics to accurately measure your vital signs, even in different lighting conditions. The sensor uses a standard I2C interface, making it simple to connect and send data to popular microcontrollers like Arduino or STM32 for easy integration into your projects. Plus, it’s versatile enough to be worn on your finger, earlobe, or wrist, giving you flexible options for continuous health tracking. This module also saves power by allowing you to turn it off via software, ensuring efficient battery use.

The Stemedu Voltage Sensor Module is designed to work smoothly with Arduino analog systems, allowing you to easily measure voltage in your projects. It uses a clever resistor divider design that safely lowers the voltage input by five times, so you can measure up to 25V without damaging your Arduino. If you are using a 3.3V system, the module supports input voltages up to 16.5V, giving you flexibility depending on your setup. This voltage detection range, from as low as 0.02445V up to 25V, makes it a versatile tool for testing and monitoring voltage in various electronics projects, perfect for hobbyists and educators alike.

The Dorhea Digital IR Sensor Kit includes 4 infrared receiver modules and 4 infrared transmitter modules that are suitable for various platforms such as Raspberry Pi, AVR, ARM, etc. The receiver uses a highly sensitive 1838 remote control receiver, and the transmitter emits modulated signals through a single tube. It has an LED signal indicator for easier debugging and can be used for remote control and compatible with Wrobot digital 38KHz IR transmitter sensor. It is widely used in infrared communication and infrared remote control.

The HiLetgo Light Sensor Trio offers you three compact GY-302 modules that measure light intensity accurately. Each module uses the original BH1750FVI chip from ROHM, ensuring reliable and precise illumination readings. With dimensions of just 13.9mm by 18.5mm, these sensors fit easily into your Arduino projects without taking up much space. They operate on a low power supply of 3 to 5 volts, making them energy-efficient and suitable for various electronics setups. This makes the HiLetgo Light Sensor Trio a handy choice for anyone looking to enhance their DIY lighting or environmental sensing projects.

This kit includes 10 high-quality ultrasonic sensors with mounting brackets and cables. The sensors use IO trigger to send out 40KHz ultrasonic pulses and calculate the distance of objects based on sound wave travel time. With this kit, you can easily measure distances for your robotics, Raspberry Pi 3, or other projects.

The SHUATI Sensor Shield V5.0 is an upgraded tool for your Arduino projects, featuring three shields to enhance your setup. Each shield connects effortlessly with buckled brick cables, ensuring secure connections while keeping your workspace organized. This versatility means you can easily integrate various components, like sensors and servos, without the hassle of complicated wiring. Additionally, the user-friendly design allows for quick module changes, saving you time when working on multiple projects. With these features, you can expand your Arduino's capabilities with ease and professionalism.

The Qoroos VL53L0X Sensor is a compact and precise laser distance measuring module ideal for various projects. It uses an eye-safe infrared laser to accurately measure distances up to 2 meters, making it perfect for applications where safety and accuracy matter. The sensor works quickly and can switch between high-speed and high-precision modes, allowing you to choose the best balance for your needs. Thanks to advanced photon detection technology, it delivers reliable measurements regardless of the surface reflectance of the target. Additionally, the invisible 940nm laser and internal filters help the sensor perform well even in bright environments, giving you consistent and dependable results.

The SHUATI Magnetometer Sensor is a set of 10 compact modules that measure magnetic fields in three dimensions, perfect for projects needing precise directional data. With its easy-to-use IIC communication protocol, you can seamlessly connect the sensors to microcontrollers, simplifying your setup. The sensor covers a wide magnetic range, allowing you to use it for various applications such as robotics or navigation, ensuring accurate readings. Plus, it works with a flexible 3-5V power supply, so you can integrate it into most electronics without extra power adjustments, making your development process smoother.