Top Rated Laser Engraving Machines of 2024
Elevate Your Raspberry Pi Projects with the Premier Selection of 2024’S Top HAT Devices
TheRaspberry Pi is an awesome platform for learning and experimentation. In its first 11 years it has helped many users learn to code, build robots and monitor the location of the International Space Station (they’ve even been onboard the ISS!), and so much more. But to make the most of the Pi, it helps to have the right expansion board. Originally the Raspberry Pi didn’t have a standard definition for boards. The first official expansion, 2012’sGertBoard was larger than the Pi itself. But all this changed when the HAT (hardware attached on top) standard was introduced along with the Raspberry Pi B+ in 2014. It provided a standardized means,similar to Arduino’s Shields , to connect theRaspberry Pi’s set of 40 GPIO pins (increased from 26 to 40 with the B+) to add-ons providing functionality such as lights, motors, sensors and fans without a mess of wires. The HAT standard follows a similar standard used byArduino boards, where they are called “shields”. HATs are an easy way to add extra features without connecting a mess of wires.
There are hundreds, if not thousands of Raspberry Pi HATs on the market and most of them will work with any model of Pi that has 40 pins, which is every model launched from 2014, though you’ll need to attach theGPIO pins to the Pi Zero.
If you intend to use a HAT with theRaspberry Pi 400 then you will also need a breakout connector, such asPimoroni’s Flat HAT Hacker HAT . If you are feeling adventurous, you can even use someHATs with the original 26 pin GPIO models of Raspberry Pi or theRaspberry Pi Pico W . Other Raspberry Pi alternative boards may claim compatibility with HATs, but do your research before connecting as you may inadvertently damage the boards.
To help you choose, we’ve listed the best Raspberry Pi HATs that we have personally tested, grouped by their use case. These expansion boards can be used for everything from general learning to implementing A.I. via Machine Learning. Or you could just build your own Raspberry Pi powered robot to explore the world around us.
The release of theRaspberry Pi 5 surprised many, including HAT and addon creators who are working to patch their boards for use with the latest Raspberry Pi. The issues that they face are two-fold. Firstly there are changes to howPython works on the Debian 12 Bookworm-based OS . The changes boil down to that we can no longer install Python modules directly to the OS. Instead we need to install intovirtual environments. Secondly, due to the new RP1 chip, how the GPIO is accessed has changed. This has lead to many HATs being incompatible with the Pi 5, for now. Progress is being made by developers who maintain the software behind our favorite boards.
Raspberry Pi has released the first HAT+ standard board [PDF] , the[PDF] . But we are still some way from a wave of new boards that will use this standard.
Raspberry Pi HAT Shopping Tips
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When buying a Raspberry Pi HAT, ask yourself these questions:
- What is the HAT for? If it’s for a particular project, does it do what you need it for? If it is for a child, does the HAT have enough features to grow with their learning?
- Does the HAT work with your Raspberry Pi? Every Raspberry Pi since 2014’s Raspberry Pi B+ features a 40 pin GPIO, and all HAT boards are designed for that. Raspberry Pi Zero W users may want to look for pHAT, smaller HATs designed for Zero form factor. If you are using aRaspberry Pi 400 then you will needa breakout board to access the GPIO.
- How can the HAT be programmed? Does it come with a Python module, and is it user friendly? Can it be programmed in another language? Is there documentation to support your learning?
- Does the HAT use all your pins? While most Raspberry Pi HATs physically cover all 40 GPIO pins, many of them allow a pass-through so you can use many of those pins with other devices or even another HAT stacked on top of the first one.
Best Raspberry Pi HATs at a glance:
- Pimoroni Inventor HAT Mini
- Build HAT
- Pimoroni IO Expander
- Pimoroni Picade X
- Raspberry Pi Sense HAT
- Pimoroni Breakout Garden
- Raspberry Pi PoE HAT
- Google AIY Voice HAT
- Cyntech Pibrella
- Adafruit Perma-Proto HAT
- Adafruit Capacitive Touch HAT
- Raspberry Pi M.2 HAT+
DLNow Video DownloaderBest Raspberry Pi HATs
(Image credit: Tom’s Hardware)
1. Pimoroni Inventor HAT Mini
Best General Purpose Raspberry Pi HAT
Specifications
Seller: Pimoroni
MSRP: $24
Compatibility: All 40 pin models
Today’s Best Deals
Reasons to buy
Great form factor
Lots of features
Easy to use
Simple Python module
Reasons to avoid
-
Non-Zero boards require a header extension
Taking over from Pimoroni’s Explorer HAT Pro is a tough task, but this little board does an excellent job of incorporating lots of features into a small package.
Providing connections for up to four servos, two DC motors (via a DRV8833 motor controller), eight tiny, but bright RGB “NeoPixel” LEDs and anaudio connection, this little board is packed full of fun.
All of this hardware is nothing without a companion software package and Pimoroni has stepped up to the plate and delivered. The Python module is easy to use and abstracts away the complexities of controlling the various forms of hardware.
The Inventor HAT Mini is a great board at a low price. Well worth your time and money.
MORE: Pimoroni Inventor HAT Mini Review
(Image credit: Tom’s Hardware)
2. Build HAT
Best Raspberry Pi HAT for Lego Projects
Our expert review:
Specifications
Seller: Raspberry Pi
MSRP: $25
Compatibility: All 40 pin models
Today’s Best Deals
Reasons to buy
Easy to use
Cheap
Great Python module
Works with all Raspberry Pi
Powers the Raspberry Pi
Can be battery powered
Reasons to avoid
-
Incompatible with some HATs
Merging Lego and Raspberry Pi together is a genius idea.Build HAT works with all 40-pin models of Raspberry Pi and it enables the use of LPF2 components, such as motors and sensors from the Spike, Mindstorms and Technic range of kits.
With four LPF2 connectors, we can easily add a combination of Lego components to build robots and elaborate sensor-controlled devices. When we tested Build HAT we found that the accompanying Python library abstracts the complexities of using the components, providing a frictionless approach to Python powered Lego projects. This is a great board to introduce coding concepts to children who have grown past block based coding, as the use of Lego provides a familiar construction material.
Read: Raspberry Pi Build HAT Review
Pimoroni IO Expander (Image credit: Tom’s Hardware)
3. Pimoroni IO Expander
ADC and 14 Extra GPIO Pins for Your Pi
Specifications
Seller: Pimoroni
MSRP: $10
Compatibility: All models
Today’s Best Deals
Reasons to buy
Cheap
Easy to use
Add 14 GPIO pins
Reasons to avoid
-
If not used with Breakout Garden HAT, soldering is required.
Whether you need more GPIO pins or your project needs analog inputs, the IO Expander from Pimoroni is a cost effective and simple means to do just that for $10. The IO Expander provides up to 14 extra GPIO pins, with all offering digital input / output, six with PWM (Pulse Width Modulation), useful for precise control of motors, and eight analog inputs to be used with electronic components such as potentiometers.
The Pimoroni IO Expander is not a typical add on board for the Raspberry Pi. Measuring a mere 1 x 0.9 inch (25 x 23mm) the board has only five connections which are made to the GPIO. The need for so few connections is due to the IO Expander using I2C, a two wire serial communication protocol. These five pins can be soldered to using the included male / female header pins, then placed atop the I2C pins of the GPIO. This design is not accidental, rather it is deliberate as the IO Expander is part of Pimoroni’s Breakout Garden range of boards.
There is nothing not to like about the Pimoroni IO Expander, which is small in size but big in features and it should be in the bits box of every Raspberry Pi enthusiast.
(Image credit: Pimoroni)
4. Pimoroni Picade X HAT
Best Raspberry Pi HAT for Retro Gaming
Specifications
Seller: Pimoroni
MSRP: £27.35
Compatibility: All 40 pin models, for best results Pi 3 and 4
Today’s Best Deals
Reasons to buy
Everything we need for an arcade build in one board
Provides power to the Pi
Reasons to avoid
-
Blocks CPU and raises temperature
If you want to build a retro arcade machine, complete with an arcade joystick and buttons, the Pimoroni Picade X HAT is the board to get. The X HAT has all the connectors you need to attach one joystick, and up to 12 buttons, including those for functions such as adding a coin or 1UP button.
The added “Hack Header” provides a connection to the I2C interface, handy for adding extra components. Picade X HAT also provides sound using an I2S interface via the GPIO and a 3W mono amplifier outputs the audio to an external speaker (sold separately). The Picade X HAT has a USB port that it uses to provide power both to the Pi itself and to any speakers.
The latest version of the Picade X HAT uses a Type-C connector, which means that it provides enough juice to power either a Raspberry Pi 4 or an earlier model. Older versions of the X HAT, which may still be on sale, use a microUSB connector that only has enough juice for a Pi 3 or earlier.
After you install a one-line script, the Picade X HAT works flawlessly in popular emulation platforms such as RetroPie and Lakka, both of which see it as a keyboard where you just assign each button to a function (like you’d assign a keyboard key).
One potential issue with the Picade X HAT is that, because gaming puts a load on your processor and the board covers your CPU, it can trap in heat, which is a particular problem for Raspberry Pi 4s. If you use a stacker to raise the height, you can put a fan or heat sink below it.
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(Image credit: Raspberry Pi Trading)
5. Raspberry Pi Sense HAT
Best Raspberry Pi HAT for Learning, Experiments
Specifications
Seller: Raspberry Pi
MSRP: $35.00
Compatibility: All 40 pin models
Today’s Best Deals
Reasons to buy
Lots of sensors for experiments
Works with Python and Scratch
Reasons to avoid
-
Covers every GPIO pin and prevents easy access to free pins
Despite being over five years old, Sense HAT is still the best all-around Raspberry Pi HAT for learning. Featuring onboard temperature, humidity, air pressure, accelerometer, gyroscope and magnetometer sensors can be used in science experiments via Python and Scratch. A joystick and 8 x 8 LED matrix can be used to make and control simple games.
If you’re working with kids or just want to have fun getting started with a Pi, the Sense HAT should be at the top of your shopping list. The amount of learning offered by this board is superb. Two Sense HATs live aboard the International Space Station and every year students compete to have their code run on it . . . from the AstroPi, a Raspberry Pi in space.
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(Image credit: Pimoroni)
6. Pimoroni Breakout Garden
Best Raspberry Pi HAT for Using Multiple Sensors
Specifications
Seller: Pimoroni
MSRP: $13.99
Compatibility: All 40 pin models
Today’s Best Deals
Reasons to buy
Easy, hot swappable modules
Simple Python module
Reasons to avoid
-
Breakout I2C boards can be expensive
The I2C interface is hidden as part of the Raspberry Pi GPIO. It is an alternative configuration of the standard GPIO and it offers advanced users a four wire interface for multiple devices, connected in a chain. Breakout Garden is a Raspberry Pi HAT which offers a simple means to connect I2C devices.
Additional breakout boards, ranging from LED matrices to air quality sensors and thermal cameras slot into one of the six slots and can be easily used thanks to a custom Python 3 library. This is a highly configurable and simple to use base for citizen science projects.
(Image credit: Raspberry Pi Trading)
7. Raspberry Pi PoE HAT
Best Raspberry Pi HAT for Power over Ethernet
Specifications
Seller: Raspberry Pi Trading
MSRP: $29.92
Compatibility: Pi 3B+ and 4
Today’s Best Deals
Reasons to buy
Single wire solution for power and networking
Provides cooling for the Pi
Reasons to avoid
-
Requires a PoE capable network
-
Only works on Pi 3B+ and later
The Raspberry Pi PoE (Power over Ethernet) HAT is compatible only with the 3B+ and 4 and provides a single wire solution for network and powering your project. This Raspberry Pi HAT is extremely useful for installing projects in remote locations, such as in your garden or shopping mall.
Using this HAT also provides us with a cooling fan, useful for the Raspberry Pi in general as it keeps the temperature down, but more so since the release of the Raspberry Pi 4. The PoE HAT fits atop all of the GPIO pins, but an included extension header means that we can connect another board on topsure that there is clearance for the fan.
(Image credit: Gareth Halfacree)
Greeting Card Builder8. Google AIY Voice Kit (with HAT)
Best Raspberry Pi HAT for Artificial Intelligence
Specifications
Seller: Google
MSRP: $49.99
Compatibility: All 40 pin models
Today’s Best Deals
Reasons to buy
Modular parts which fit together easily
Easy to build your first AI assistant
Reasons to avoid
-
Initial purchase is expensive
If you have ever wanted to learn Artificial Intelligence or build your own voice assistant, such as Siri, Alexa orGoogle , then Google’s Aiy Voice Kit is for you. The Voice Kit comes in a simple card box, but inside there is a Raspberry Pi HAT which has connections for the speaker, button, microphone and servos.
To accompany this Raspberry Pi HAT is a robust Python 3 module which simplifies the task of creating a voice assistant. This HAT can be used with all 40 pin models of Raspberry Pi including the Pi Zero W. A great kit to start your AI learning!
(Image credit: Les Pounder)
9. Cyntech Pibrella
Best Raspberry Pi HAT for Younger Makers
Specifications
Seller: Cyntech
MSRP: $20.99
Compatibility: All models
Today’s Best Deals
Reasons to buy
Simple to use
Compatible with Python and Scratch
Reasons to avoid
-
An old board which is hard to come by
-
Designed for older Raspberry Pi
Pibrella, released when the Raspberry Pi GPIO had only 26 pins, is the ideal way to introduce electronics and programming to young minds. Designed for the original Raspberry Pi, but compatible with all models of Pi, Pibrella provides us with a simple push button, three LEDs and a buzzer. Four inputs, and four outputs can be used with external components, including motors.
To program Pibrella we can use Python or Scratch and quickly bring a project to life. This Raspberry Pi HAT can be used to build simple robotic projects and teach logic, core concepts using the LEDs. The ideal board for kids who just want to build their first project.
(Image credit: Adafruit)
10. Adafruit Perma-Proto HAT
Best for Creating Your Own Raspberry Pi HATs
Specifications
Seller: Adafruit
MSRP: $14.48
Compatibility: All 40 pin models
Today’s Best Deals
Reasons to buy
Ideal way to start building your own circuits
Clear silkscreen markings
Reasons to avoid
-
Expensive for multiple boards
If you are a seasoned Raspberry Pi hacker, then you may have already taken your first steps into electronics using a breadboard. But where do you go from here? The answer is to create your own circuit board.
The Adafruit Perma-Proto HAT works with 40 pin GPIO Pi and provides a place where you can solder your own components to build a circuit. LEDs, buttons, motordrivers and more. This is a great way to take your skills to the next level and learn how to layout a circuit.
(Image credit: Adafruit)
11. Adafruit Capacitive Touch HAT
Best Raspberry Pi HAT for Inspiring Creativity
Specifications
Seller: Adafruit
MSRP: $19.95
Compatibility: All 40 pin models
Today’s Best Deals
Reasons to buy
Simple to assemble
Great fun to use
Reasons to avoid
-
Python module is a little lucky
-
Lots of wires for all 12 connections
Did you know that a banana can be an instrument? A watermelon can be a controller for a game? This and lots more is made possible using the Adafruit Capacitive Touch HAT. For use with all 40pin GPIO Pi, this HAT has 12 crocodile clip connectors which can be connected to objects that are conductive.
When a conductive object is touched, the Adafruit Capacitive Touch HAT detects a change in voltage and this triggers an action in your Python code. The classic project for this Raspberry Pi HAT is the Banana Piano which sees each banana representing a key. Touch the banana and the note for that key is played. The Python code is a little tricky to get right, but the fun with this board is limitless.
(Image credit: Tom’s Hardware)
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12. Raspberry Pi M.2 HAT+
Best Raspberry Pi 5 M.2 HAT for Storage
Specifications
Seller: Raspberry Pi
MSRP: $12
Compatibility: Raspberry Pi 5
Today’s Best Deals
Reasons to buy
Low price HAT+ footprint
Easy to assemble
Just works with the latest firmware
Reasons to avoid
-
Plastic screws GPIO access is awkward
The official Raspberry Pi M.2 HAT+ board offers a low cost, $12, introduction to using NVMe SSDs on your Raspberry Pi 5. Fast, cheap and reliable storage is finally available for the new flagship Raspberry Pi and this board makes it easy to use.
Designed using the new HAT+ standard, a standard introduced with the Raspberry Pi 5, this board connects to the new PCIe port and provides a pass-through for the GPIO. GPIO access is fiddly, but it can be done. The HAT+ is also designed for use with the Active Cooler, so your Raspberry Pi 5 will keep cool.
Read: Raspberry Pi M.2 HAT+ Review
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MORE: Best microSD Cards for Raspberry Pi
MORE: Raspberry Pi Tutorials
Round up of today’s best deals
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- Title: Top Rated Laser Engraving Machines of 2024
- Author: George
- Created at : 2024-08-19 03:25:56
- Updated at : 2024-08-20 03:25:56
- Link: https://hardware-tips.techidaily.com/top-rated-laser-engraving-machines-of-2024/
- License: This work is licensed under CC BY-NC-SA 4.0.