Best Sensor Blocks of 2025

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Sensor Blocks are a set of innovative electronic components designed for use in building and programming interactive devices. These blocks are equipped with sensors that can detect light, sound, temperature, and movement, among other things. They are ideal for use in educational settings to teach basic coding and electronics skills, as well as for hobbyists and makers looking to create customised devices that respond to their environment. With their easy-to-use interface and sturdy construction, Sensor Blocks are an excellent choice for anyone looking to experiment with electronics and coding.
At a Glance: Our Top Picks
Top 10 Sensor Blocks
ELEGOO 37 in 1 Sensor Modules Kit
The ELEGOO Sensor Modules Kit is an upgraded 37-in-1 collection that includes new modules like the GY-521 accelerometer and LCD1602 screen, enhancing your project options. It comes with comprehensive tutorials, ensuring you have step-by-step guidance for using it with UNO R3, MEGA R3, and NANO. With full compatibility across Arduino IDE, Raspberry Pi, and STM32, you can easily integrate it into various projects. Even if you're a beginner, this kit is designed for you, making electronics accessible and enjoyable.
DollaTek TCS34725 RGB Colour Sensor Module
The DollaTek TCS34725 Sensor is an advanced RGB light colour sensor that includes an infrared blocking filter. This feature ensures high sensitivity, making it ideal for use behind dark glass, enhancing your measurement accuracy. You can program both upper and lower thresholds, which allows for tailored operation in various environments. Additionally, it is register set and pin compatible with the TCS3x71 series, making integration into existing projects seamless and straightforward.
DollaTek 5Pcs Digital Light Intensity Sensor Module
The DollaTek Light Intensity Sensor is designed to detect ambient light levels effectively. Its photosensitive resistor module allows you to monitor brightness and can trigger microcontrollers or relay modules, enhancing your control over lighting. The clean comparator output signal and strong driving ability, exceeding 15mA, ensure reliable performance. With both digital switching and analogue voltage output, you have flexibility in how you use the sensor. The adjustable potentiometer lets you fine-tune the light detection to suit your specific needs, making it a practical choice for various applications.
AZDelivery 35 Sensor Modules & E-Book Kit
The AZDelivery Sensor Modules Kit is an extensive accessory kit that is fully compatible with Arduino, Raspberry Pi, and other microcontrollers. It includes 35 different sensors, allowing you to explore and implement various projects easily. With the included free eBook, you can start your project right away without wasting time on setup. The eBook also offers clear installation instructions and example scripts, making it straightforward for you to configure your sensors and get started efficiently.
Voltage Detection Module Sensor for Arduino
The DUTTY Voltage Sensor is a versatile device designed for detecting DC voltages ranging from 0 to 25 volts. With a voltage detection range of 0.02445 to 25 volts, this module allows you to monitor a wide array of voltage levels, enhancing your projects’ capabilities. The voltage analog resolution of 0.00489 volts ensures precise readings, which is crucial for applications requiring accuracy. The straightforward DC input interface simplifies the setup process, enabling you to connect it easily with your Arduino projects.
DAOKAI MAX30102 Heart Rate Sensor Module
The DAOKAI MAX30102 Sensor is a versatile heart rate monitor biosensor. It features integrated red and infrared LEDs along with a photoelectric detector, allowing you to easily monitor your heart rate and blood oxygen levels. You can conveniently wear it on your fingers, ear lobes, or wrists. The I2C communication interface ensures seamless data transmission to various microcontrollers, making it suitable for Arduino and STM32 projects. Its compact size and low noise electronic circuit enhance usability, providing accurate readings without interference from ambient light.
Hilitand 4 x 25V Voltage Detection Sensor Module
The Hilitand Voltage Sensor Module is an efficient tool for your projects, utilising a resistive voltage divider design to reduce input voltage by five times, making it safe and effective for monitoring. With four modules included, you can easily implement multiple sensors in various applications. Its compact size and lightweight design ensure convenience, allowing you to integrate it seamlessly into your setups. Capable of handling analog input voltages up to 5V, it offers a maximum input of 25V, making it versatile for different voltage detection needs.
DORHEA 5Pcs 38kHz Infrared Transmitter Module Kit
The DORHEA Infrared Transmitter Kit offers a straightforward approach to infrared communication. The module uses a single tube for transmission, requiring waveform modulation through programming, making it ideal for technical projects. An emission signal indicator LED allows you to easily observe and debug the signals, enhancing your control over the setup. With an infrared center wavelength of approximately 850nm-940nm, you benefit from versatile applications in remote control systems. Plus, the emission angle of about 20 degrees ensures effective signal distribution, providing a reliable communication method.
ALMOCN Digital Barometric Pressure Sensor Module
The ALMOCN Pressure Sensor Module offers high precision with its advanced AD sampling chip and a reliable 0-40KPa air pressure sensor. Operating within a voltage range of 3.3-5V, this module allows you to calculate specific air pressure values easily. It features a 5K ohm resistor bridge sensor, ensuring accurate readings. This sensor module is particularly useful for controlling liquid water levels, making it a great addition to your Arduino projects.
Jopto KY-037 High Sensitivity Sound Sensor Module
The Jopto KY-037 Sensor is a high sensitivity microphone sound detection module ideal for various projects. It operates on a 5V DC power supply, making it easy to integrate into your system. The module features two outputs; the analog output (AO) provides a real-time voltage signal, enabling you to monitor sound levels continuously. Additionally, the digital output (DO) signals when sound intensity exceeds a certain threshold, allowing for responsive actions in your applications. This versatility can greatly enhance your sound detection capabilities.
Frequently Asked Questions (FAQs)
1. What is the sensing block?
Sensing blocks are color-coded light-blue and are used to detect different factors of a project. Block. Function. The block checks if its sprite is touching the mouse-pointer, edge, or another sprite.
2. How many blocks does a sensing have?
Learning the Sensing Blocks The Sensing Block Pallet contains 20 blocks, as shown in Figure 4-1. These blocks are colored light blue. There are 4 stack blocks, 5 Boolean blocks, and 11 reporter blocks.
3. How many sensing blocks scratch?
Sensing blocks are one of the eight categories of Scratch blocks. They are color-coded light-blue, and are used to detect things. They can be used to determine the location of the mouse-pointer, its distance from other sprites, and whether a sprite is touching another sprite.
During our sensor block research, we found 98 sensor block products and shortlisted 10 quality products. We collected and analyzed 6,199 customer reviews through our big data system to write the sensor blocks list. We found that most customers choose sensor blocks with an average price of £6.38.
The sensor blocks are available for purchase. We have researched hundreds of brands and picked the top brands of sensor blocks, including ELEGOO, DollaTek, AZDelivery, DUTTY, DAOKAI. The seller of top 1 product has received honest feedback from 196 consumers with an average rating of 4.9.

Harvey Wall was born and raised in Norwich. He mastered the art of tool production and finished at the prestigious Norwich University. His area of interest include cutting tools, abrasive finishing and power tools. Harvey is always looking for ways to improve the finesse of industrial tools via his myriads of researches. He also shares some of his experiences on many platforms while writing on tool products.