Best Sensor Blocks of 2025

Harvey Wall Avatar
Harvey Wall
Last Updated: 30 Jan 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

ELEGOO 37 in 1 Sensor Modules Kit Cover #TOP 1
ELEGOO 37 in 1 Sensor Modules Kit
ftb score rating icon 9.8
DollaTek TCS34725 RGB Colour Sensor Module Cover #TOP 2
DollaTek TCS34725 RGB Colour Sensor Module
ftb score rating icon 9.7
DollaTek 5Pcs Digital Light Intensity Sensor Module Cover #TOP 3
DollaTek 5Pcs Digital Light Intensity Sensor Module
ftb score rating icon 9.5

Top 10 Sensor Blocks

#TOP 1

ELEGOO 37 in 1 Sensor Modules Kit

UK-EL-KIT-011
Latest version
ELEGOO 37 in 1 Sensor Modules Kit Cover
ELEGOO Upgraded 37 in 1 Sensor Modules Kit with Tutorial Compatible with Arduino UNO R3 MEGA Nano Raspberry pi 4(Excludes Microcontroller Board)

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.

What We Like
Upgraded with new modules
Comprehensive tutorials included
Compatible with multiple platforms
Beginner-friendly
#TOP 2

DollaTek TCS34725 RGB Colour Sensor Module

DollaTek TCS34725 RGB Colour Sensor Module Cover
DollaTek TCS34725 RGB Light Color Sensor Recognition Module with IR Filter for Arduino

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.

What We Like
High sensitivity for accurate readings
Programmable thresholds for flexibility
IR filter for clear detection
Compatible with TCS3x71 series
Ideal for dark glass applications
#TOP 3

DollaTek 5Pcs Digital Light Intensity Sensor Module

DollaTek
DollaTek 5Pcs Digital Light Intensity Sensor Module Cover
DollaTek 5Pcs Digital Light Intensity Sensor Module Photo Resistor Photoresistor

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.

What We Like
Highly sensitive to ambient light
Clean output signal
Flexible output options
Easy installation
Adjustable brightness detection
#TOP 4

AZDelivery 35 Sensor Modules & E-Book Kit

35in1
35in1 Kit
AZDelivery 35 Sensor Modules & E-Book Kit Cover
AZDelivery 35 in 1 Sensor Modules & Accessories Kit compatible with Arduino, Raspberry Pi and other Microcontrollers including E-Book!

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.

What We Like
Includes 35 versatile sensors
Compatible with multiple microcontrollers
Free eBook for easy setup
Time-saving installation guides
#TOP 5

Voltage Detection Module Sensor for Arduino

DUTTY
Voltage Detection Module Sensor for Arduino Cover
Voltage Detection Module DC 0~25V Voltage Sensor for Arduino 5pcs

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.

What We Like
Wide voltage detection range
High analog resolution
Easy to connect
Ideal for Arduino projects
#TOP 6

DAOKAI MAX30102 Heart Rate Sensor Module

JA-DA-016
MAX30102
DAOKAI MAX30102 Heart Rate Sensor Module Cover
DAOKAI MAX30102 Heart Rate Sensor Module Pulse Detection Blood Oxygen Concentration Detection board with Cable Compatible for Arduino for STM32,pack of 4

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.

What We Like
Integrated heart rate and oxygen monitoring
Compatible with multiple microcontrollers
Compact and easy to wear
Low noise circuit for accurate readings
#TOP 7

Hilitand 4 x 25V Voltage Detection Sensor Module

Hilitand5kgn93f2oz
Hilitand 4 x 25V Voltage Detection Sensor Module Cover
4 x 25 V Voltage Detection Sensors Transducer Module 3-Terminal Sensor

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.

What We Like
Multiple modules included
Compact and lightweight design
Handles up to 25V
Easy to use
High-quality construction
#TOP 8

DORHEA 5Pcs 38kHz Infrared Transmitter Module Kit

U13659-1
Transmitter
DORHEA 5Pcs 38kHz Infrared Transmitter Module Kit Cover
Dorhea 5Pcs 38khz Ir Transmitter Sensor Module Kit for Electronic Building Block

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.

What We Like
Easy to observe and debug
Versatile infrared communication
Suitable for remote control
Effective signal distribution
#TOP 9

ALMOCN Digital Barometric Pressure Sensor Module

ALMOCN Digital Barometric Pressure Sensor Module Cover
ALMOCN 6pcs 3.3-5V Digital Barometric Air Pressure Sensor Module Liquid Water Level Controller Board 0-40KPa for Arduino

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.

What We Like
High precision measurements
Wide voltage compatibility
Easy air pressure calculations
Ideal for Arduino projects
Includes six modules
#TOP 10

Jopto KY-037 High Sensitivity Sound Sensor Module

JY-3DP-170
Multicolor
Jopto KY-037 High Sensitivity Sound Sensor Module Cover
Jopto 5PCS KY-037 High Sensitivity Microphone Sound Voice Detection Sensor Module Compatible with Arduino Raspberry Pi AVR PIC

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.

What We Like
High sensitivity for accurate detection
Easy integration with Arduino
Real-time voltage signal output
Threshold-based signal output
Buying Guide Image

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.

Editor's Notes

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.

Written by
Harvey Wall Avatar

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.