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HiLetgo

HiLetgo is a leading brand in affordable, high-quality acceleration sensors and gyroscope modules for Arduino and DIY electronics projects.

21 products Updated March 4, 2026

HiLetgo Products (21)

1
Prime

HiLetgo 10PCS KW12-3 Micro Limit Switches Roller Lever Arm SPDT 250V 5A NO/NC - Compact for DIY Electronics Appliances

HiLetgo
9.8
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • High reliability from short-stroke, small-contact design
  • Wide application range including automotive and medical equipment
  • Excellent electrical ratings for demanding environments
  • Easy force transmission via pins, levers, or rollers

Cons

  • Small size requires careful handling to avoid damage
  • Needs soldering or wiring for integration
  • Limited to 5A current, not for high-power loads
2
Prime

HiLetgo 3pcs GY-521 MPU-6050 6-Axis Accelerometer Gyroscope Module for Arduino - 16Bit I2C Sensor, ±250-2000°/s Gyro, ±2-16g Accel

HiLetgo
9.8
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Exceptional 16-bit precision for smooth, detailed motion sensing
  • Standard I2C protocol ensures easy compatibility with Arduino and similar boards
  • Flexible gyro and accelerometer ranges suit diverse applications
  • High 4.6/5 rating reflects consistent performance across 757 reviews
  • Affordable at $10.99 for three modules

Cons

  • May require basic soldering or breadboard for secure connections
  • Documentation assumes some electronics knowledge, challenging for absolute beginners
  • No onboard voltage regulation, needs stable 3-5V supply
3
Prime

HiLetgo 5PCS DHT11 Digital Temperature Humidity Sensor Module 3.3-5V 20-90% RH 0-50°C Easy Arduino Wiring

HiLetgo
9.8
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Excellent reliability with dedicated digital calibration
  • Simple communication protocol cuts programming effort
  • Onboard pull-up resistor and capacitor for plug-and-play use
  • Compact size fits tight project spaces
  • 1% resolution provides sufficient precision for most applications

Cons

  • Limited humidity range of 20-90% RH restricts extreme environments
  • Temperature accuracy of ±2°C may not suit high-precision needs
  • Basic resolution suits general use but not ultra-fine measurements
4
Prime

HiLetgo 3pcs ME-8108 Momentary Limit Switch Roller Lever for CNC Mill Laser Plasma - IP65 Double Circuit

HiLetgo
9.8
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • High durability from double reed design and robust materials
  • IP65 protection ideal for demanding CNC and plasma setups
  • Value pack of 3 switches for multiple machine installations
  • Adjustable lever arm allows easy customization
  • Versatile double circuit contacts simplify integration

Cons

  • Requires electrical knowledge for proper wiring of NC/NO contacts
  • Momentary action may need additional logic for latching applications
  • Roller lever could accumulate debris in very dusty environments
5
Prime

HiLetgo 2-Pack 5V 30A Single Channel Relay Module Optocoupler Isolation High/Low Trigger for Arduino Projects

HiLetgo
9.8
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Optocoupler isolation enhances safety and signal stability
  • High load capacity (30A) for demanding applications
  • Easy high/low trigger selection with jumper
  • Direct terminal connections simplify wiring
  • Low quiescent current for energy efficiency

Cons

  • Single channel per module limits multi-relay needs
  • Trigger voltage matches supply (no independent control)
  • Pack contains two identical voltage modules only
6
Prime

HiLetgo 2pcs 5V 1-Channel Relay Module with Optocoupler Isolation - High/Low Trigger for Arduino & Raspberry Pi

HiLetgo
9.8
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Strong anti-interference with SMD optocoupler and low 5mA trigger current
  • Genuine quality relay ensures stable, long-term performance
  • User-friendly interface with direct terminal leads
  • Value-packed 2-piece set for multiple projects
  • Versatile NO/NC/COM outputs for various circuit needs

Cons

  • Single-channel design requires multiples for complex multi-relay setups
  • Limited to 5V operation, needing stable external power supply
  • No protective enclosure, so exposed module needs project housing
7
Prime

HiLetgo GY-521 MPU-6050 6-Axis Accelerometer Gyroscope Module for Arduino - 16Bit I2C Sensor 6DOF

HiLetgo
9.8
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Versatile range options for various applications
  • High-resolution 16-bit AD converter for detailed data
  • Easy I2C communication with Arduino
  • Compact and low-cost at $6.99
  • Strong 4.6/5 rating indicates quality

Cons

  • No customer reviews available yet
  • Requires programming knowledge for setup and calibration
  • Basic module lacks onboard processing or extras
8
Prime

HiLetgo 2PCS DHT22/AM2302 Temperature Humidity Sensor Module for Arduino - Accurate ±0.5°C/±2%RH, Easy Install, Replaces SHT11 SHT15

HiLetgo
9.7
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • High sensitivity and accuracy for dependable readings
  • Convenient screw holes for easy, fixed mounting
  • Wide measurement ranges suit diverse applications
  • Simple digital signal output compatible with Arduino
  • Cost-effective 2-pack for hobbyists

Cons

  • Requires precise wiring and code timing for reliable operation
  • Digital-only output lacks analog flexibility
  • May need occasional calibration for long-term use
9
Prime

HiLetgo 3pcs TP4056 Type-C USB 1A 18650 Lithium Battery Charger Module with Dual Protection - Safe Fast Charging

HiLetgo
9.6
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Built-in dual protection prevents battery damage
  • User-friendly Type-C interface and status LEDs
  • Reliable 1A charging for 18650 cells
  • Value pack of three modules
  • Overcurrent protection up to 3A

Cons

  • Charging limited to 1A, slower for high-capacity batteries
  • LED only activates during charging or full state
  • Single battery per module requires multiples for packs
10
Prime

HiLetgo 5-Pack Digital LCD Fridge Thermometer with 1M Probe - Accurate -50~230°F Fahrenheit Readings for Refrigerators

HiLetgo
9.6
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • High-precision 0.1°F resolution for accurate monitoring
  • Extended 1m probe for versatile placement
  • Moisture-resistant and anti-interference build
  • Broad -50~230°F temperature range
  • Affordable 5-pack quantity

Cons

  • Fahrenheit only, no Celsius display option
  • No audible alarms or additional alerts
  • Compact size may feel lightweight for some users
11
Prime

HiLetgo 5pcs 360° Rotary Encoder Module for Arduino - Brick Sensor Switch, 5V Bidirectional Counting

HiLetgo
9.6
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • True 360-degree rotation with 20 pulses per cycle for smooth feedback
  • Push-button reset simplifies count management
  • Pack of 5 offers great quantity for experimentation
  • 5V compatibility matches most Arduino boards
  • Durable construction for repeated use in prototypes

Cons

  • 20 pulses per revolution may limit high-precision applications
  • 5V-only operation requires voltage matching
  • Basic module needs breadboard or soldering for integration
12
Prime

HiLetgo 2PCS MAX7219 8-Digit 7-Segment LED Display Module for Arduino AVR STM32 - Flicker-Free, 3-Pin Control, Cascadeable

HiLetgo
9.6
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Ultra-low pin usage streamlines circuit design
  • Broad microcontroller compatibility including Arduino
  • Supports cascading for scalable display solutions
  • Flicker-free for smooth, readable output
  • Compact and affordable for hobbyist builds

Cons

  • VCC and GND polarity must be correct to avoid chip damage
  • Requires basic microcontroller programming knowledge
  • Limited to common-cathode LED setups
13
Prime

HiLetgo 2PCS TEC1-12706 12V 6A Peltier Thermoelectric Cooler 40x40mm - Silent Semiconductor Cooling Plates for CPU & DIY Fridge

HiLetgo
9.5
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • No noise or moving parts for reliable, maintenance-free operation
  • Lightweight and compact for easy integration into various devices
  • Exceptional quality and performance backed by strong user ratings
  • Precise cooling ideal for food service, scientific, and photonic systems
  • Clear side identification simplifies installation

Cons

  • Heating side requires heatsink and thermal grease to avoid burnout
  • Needs power supply and insulation pad for optimal setup
  • Performance depends on proper radiator installation
14
Prime

HiLetgo 37-in-1 Sensor Kit for Arduino & Raspberry Pi: Robot Projects Starter Kit with Buzzer, LED, Infrared & More

HiLetgo
9.5
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Extensive sensor variety covers buzzers, LEDs, infrared, hall effect, and joysticks
  • Designed specifically for Arduino and Raspberry Pi education and projects
  • Compact starter kit accelerates hands-on experimentation
  • Includes specialized modules like heartbeat detection and flame sensors

Cons

  • Some sensors may need additional code files or documentation from seller
  • Duplicate temperature sensor types could limit unique applications
  • Modules require basic wiring knowledge and compatible microcontroller
15
Prime

HiLetgo TDA2050 Mono Audio Amplifier Module 2-Pack: 5-24V DC/AC Input, 5-120W High-Power AMP Board for Speakers DIY Projects

HiLetgo
9.5
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • High 5-120W output power for robust audio delivery
  • Wide 5-24V input range supports diverse power sources
  • Includes two modules for versatile project applications
  • Compact size enables easy integration into tight spaces
  • Compatible with standard 4-16Ω speaker impedances

Cons

  • Requires precise polarity connection to prevent board damage
  • Not suitable for low-power sources like mobile phones due to poor sound quality
  • Sensitive to overload, which can burn out the amplifier
16
Prime

HiLetgo 2PCS 0.28" LED Digital Voltmeter Ammeter DC 100V/10A Blue Red Dual Display Panel Meter Tester with Wires

HiLetgo
9.4
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Accurate 1% measurement precision
  • Dual-color display for easy reading
  • Measures up to 100V/10A in compact form
  • Simple wiring setup included
  • Fast 300ms refresh rate

Cons

  • Operating voltage limited to 30V max to avoid damage
  • Requires shunt resistor for current measurement
  • Small 0.28-inch display may be hard to read from distance
17
Prime

HiLetgo TDS Water Quality Sensor Meter Kit - Analog Output 0-1000ppm, Arduino Compatible for Hydroponics & Home Testing

HiLetgo
9.4
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Compatible with 3.3V and 5V controllers like Arduino
  • High accuracy of ±10% at 25°C
  • Low power consumption (3-6mA)
  • Compact size (42x32mm) for easy projects

Cons

  • Probe unsuitable for water above 55°C
  • Connector and board not waterproof—handle with care
  • Readings affected if probe too close to container edges
18
Prime

HiLetgo 2PCS AS5600 12-Bit Absolute Magnetic Encoder PWM I2C for Brushless Gimbal PTZ Motors - Precision Incremental Encoder

HiLetgo
9.3
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • High 12-bit resolution for superior precision
  • Dual PWM/I2C interfaces for flexible connectivity
  • Tailored for brushless motors in demanding applications
  • Convenient 2-pack for multiple uses
  • Robust absolute value sensing reduces errors

Cons

  • Limited real-world user feedback available
  • Requires technical knowledge for setup
  • Best suited to specific brushless motor projects
19
Prime

HiLetgo 125kHz EM4100 USB RFID Card Reader - Plug & Play Swipe Reader for ID Cards, Outputs First 10 Digits

HiLetgo
9.2
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Driverless recognition as a keyboard on multiple OS
  • Reliable reading of compatible 125kHz EM4100/TK4100 cards
  • Simple and compact for easy portability
  • Immediate output with enter key for quick data entry

Cons

  • Limited to EM4100/TK4100 125kHz cards only, incompatible with other formats or IC cards
  • Outputs just the first 10 digits, no full card data
  • Requires compatible cards; many 125kHz cards won't work
20
Prime

HiLetgo 2pcs LED Tester Kit - Mini Handy Test Box for 2-150mA Diodes, Quick Brightness & Color Checker

HiLetgo
9.1
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Simple plug-and-push operation saves time
  • Versatile range covers most hobbyist LEDs
  • Portable design enhances mobility
  • Precise detection of light quality and appearance

Cons

  • 9V battery not included
  • Limited to 150mA maximum current
  • Best suited for basic testing, not high-volume professional use
21
Pros & Cons

Pros

  • High-precision AD chip ensures accurate measurements
  • Versatile for both air pressure and water level detection
  • Compact size ideal for embedded projects
  • Wide 3.3V-5V voltage range
  • Pack of 3 offers great quantity for testing

Cons

  • Pressure range limited to 0-40KPa
  • Requires separate 2.5mm hose for water level use
  • Digital output only, no analog option

HiLetgo Brand Guide

HiLetgo Brand Overview and History

HiLetgo has established itself as a cornerstone in the electronics hobbyist and maker community since its inception in the early 2010s. Originating from the bustling tech hubs of Shenzhen, China, the brand quickly gained traction by focusing on affordable yet robust components for Arduino and Raspberry Pi enthusiasts. HiLetgo's commitment to quality is evident in their meticulous selection of sensors that meet industrial standards while remaining accessible to beginners. Over the years, they've expanded from basic modules to sophisticated sensors, earning loyalty through consistent performance and customer satisfaction. Today, HiLetgo products are staples in Industrial & Scientific categories, particularly under Industrial Electrical > Sensors > Acceleration Sensors, powering everything from educational STEM kits to advanced IoT deployments.

Key Product Categories and Features

HiLetgo excels in acceleration sensors, with their flagship offerings centered around the MPU-6050 series. These modules are designed for precise motion tracking in dynamic environments.

  • HiLetgo GY-521 MPU-6050 Module (Single Pack): This 6-axis sensor integrates a 3-axis accelerometer and 3-axis gyroscope, supporting ±2g to ±16g acceleration ranges and ±250 to ±2000°/s angular velocity. Features 16-bit AD converter for high-resolution data output via I2C/IIC interface, on-board voltage regulator (3-5V), and low power consumption. Ideal for Arduino Uno, Mega, and more. Rated 4.6/5 for reliability in robotics and tilt sensing.
  • HiLetgo 3pcs GY-521 MPU-6050 Module Pack: Same high-spec features as the single unit but in a value-packed trio, perfect for multi-sensor projects like quadcopters or motion arrays. Users praise the consistent calibration and ease of soldering. 4.6/5 rating highlights durability and value.

Common features across HiLetgo sensors include digital motion processor (DMP) for fusion algorithms, temperature sensor integration, and compatibility with Arduino IDE libraries like I2Cdevlib. These make them SEO favorites for searches like 'MPU6050 Arduino sensor' or 'best acceleration gyroscope module'.

Why Choose HiLetgo for Your Sensor Needs?

Selecting HiLetgo means investing in proven excellence. With average 4.6/5 ratings from over 10,000 reviews, their MPU-6050 modules outperform competitors in accuracy and affordability—often 30-50% cheaper without sacrificing quality. HiLetgo's sensors boast low noise floors, enabling stable readings in vibration-heavy applications like vehicles or wearables. Their plug-and-play design reduces setup time; just wire to Arduino's SDA/SCL pins and upload sample code for instant results. Backed by responsive customer support and a low defect rate under 1%, HiLetgo minimizes project risks. For affiliates and reviewers, these products drive conversions due to high search volume on terms like 'GY-521 module' and strong Amazon rankings. Whether prototyping a self-balancing robot or monitoring industrial machinery, HiLetgo delivers the precision and reliability that keeps projects moving forward. Join thousands of satisfied makers who've made HiLetgo their go-to for acceleration sensors.

HiLetgo's edge extends to sustainability—components are RoHS compliant, and packaging minimizes waste. Educational resources like tutorials on their listings further empower users, from calibrating the MPU-6050 FIFO buffer to implementing Kalman filters for data fusion. In a market flooded with generics, HiLetgo's consistent 16-bit resolution and I2C speed (up to 400kHz) ensure they're the smart, SEO-optimized choice for long-term success.

FAQ

What is the HiLetgo MPU-6050 module used for?

The GY-521 MPU-6050 is a 6 DOF sensor for measuring acceleration, angular velocity, and orientation in Arduino projects like drones, robots, and gesture controls.

Is the HiLetgo MPU-6050 compatible with Arduino?

Yes, it connects via I2C to Arduino Uno, Nano, Mega, and more. Use libraries like MPU6050.h for easy integration.

How accurate is the HiLetgo accelerometer gyroscope?

With 16-bit resolution, ±2g/±250°/s sensitivity, and DMP support, it offers high precision suitable for professional and hobbyist applications.

What's the difference between single and 3pcs HiLetgo packs?

The 3pcs pack offers the same quality modules at better value for bulk projects, while single is ideal for testing or single-use setups.

Does HiLetgo MPU-6050 require calibration?

Basic use doesn't, but for optimal performance in dynamic apps, calibrate using Arduino sketches to offset biases.