There are no sensors, so this board is perfect for displaying information, patterns, animations, and status indicators. However, the LEDs are bigger and more spread out, so they fill the entire board. Like the Sense HAT, Pimoroni's Unicorn HAT packs an 8x8 LED matrix.
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It is not a full sized HAT as it is made for the Pi Zero, but it will fit on top of any modern Pi. Similarly, a new board from Pimoroni, the Enviro pHAT, is handy for collecting environmental sensor data. See my articles on exploring the Raspberry Pi Sense HAT the Astro Pi competition and the Astro Pi flight case. The Sense HAT packs an 8x8 colour LED matrix and a set of environmental sensors. It was made for a specific event: it was sent to the International Space Station with European Space Agency (ESA) astronaut Tim Peake, and used in experiments coded by school children as part of the Astro Pi competition.
The Sense HAT is another official product from Raspberry Pi.
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See my recent article How to build projects using the Raspberry Pi camera. IR cameras are commonly used in wildlife and plant photography. The IR version lets you see in the dark when you have an infra-red light source. There is a visible light version, and an infra-red (IR) version. The new V2 camera was released earlier this year: it is 8 megapixels and has a brilliant quality Sony sensor.
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It uses the camera serial interface (CSI) port, which is present on almost every Pi model, to connect a small camera board to the Pi using a ribbon cable. The camera module is an official product of the Raspberry Pi Foundation. In no particular order, here are my favorites.
Not all add-ons are HATs add-ons come in multiple shapes and sizes. The HAT specification gives specific dimensions to fit neatly on the Pi, aligning mounting holes, and holes for accessories suchs as cameras and display cables. Whitepaper: Data-intensive intelligent applications in a hybrid cloud blueprint.eBook: Running Kubernetes on your Raspberry Pi.Getting started with Raspberry Pi cheat sheet.Running Kubernetes on your Raspberry Pi.A practical guide to home automation using open source tools.6 open source tools for staying organized.An introduction to programming with Bash.A guide to building a video game with Python.Special thanks to Alex Wilkinson for providing the basis for this sample code!Ĭertain Pi HATs might make use of some of the pins above-so if you have some sort of HAT/board connected to your Pi's GPIO header, you may need to adjust the pins selected above to output things properly.įor example, I'm using a Pimoroni Speaker pHAT on my motorized Pi I checked the Speaker pHAT pinout and discovered that GPIO pin 12 is in use by the HAT, so I'm using an alternate pin (16) instead. GPIO.output(13, GPIO.LOW) # Set STBY Drive two motors: #!/usr/bin/env python # Reset all the GPIO pins by setting them to LOW
Paste the following code, save, and exit: Drive a single motor: #!/usr/bin/env python How to Connect to a Raspberry Pi Remotely via SSH The preferred (and most common) method of connecting to your Pi to run commands.
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