Sandy Macdonald must have ordered a Pi Piano HAT from Pimoroni on virtually the day it was released and has now written up his thoughts about the board, stepping through the example programs and detailing a way to get the…
Category: GPIO boards
RPi.GPIO Python library for the Raspberry Pi undergoes a change
Alex Eames has been looking at recent updates to the Python library everybody uses, RPi.GPIO, and has noticed something. The old variable RPI_REVISION has been deprecated (replaced) by something more useful: RPI_INFO. This new variable outputs a Python dictionary detailing…
PiPiano follow-up HAT for the Raspberry Pi launched
Pimoroni have announced the launch of their latest product, a new HAT which follows on from the excellent work of Zach Igielman and his PiPiano board. The board comes fully-assembled and uses 13 capacitive touch pads instead of physical buttons.…
Create animations on the Unicorn HAT with the Raspberry Pi
Richard Hayler previously wrote a small app to create animations for the Astro Pi Sense HAT. Following a question from his son, he has now re-factored the app so that you can create animations for the 8×8 Neopixel matrix on the…
Animate the LED matrix on the Astro Pi
Richard Hayler has been continuing his work with the Astro Pi. He’s now moved on from creating static images on the LED matrix to creating simple animations. These are created one frame at a time in a GUI that he’s…
Replacing a Chevy head unit with a Raspberry Pi
Daniel Stinebaugh wanted to replace his Chevy’s failing head unit with a Raspberry Pi. So, he ripped the old one out and fitted the Pi and a wireless router in it’s place. The Pi runs Volumio and he’s also using the DAC+ HAT from…
DIY laser harp powered by a Raspberry Pi and RasPiO Duino
Not much detail on this, but it’s way too cool not to share. David Pride announced on Twitter that he has created a DIY laser harp. He uses a 50mW laser with a stepper motor to create beams of light…
Raspberry Pi add-on board RasPiO Duino gets new PWM video
Alex Eames has been busy creating a new video for owners of the excellent RasPiO Duino board. This one takes you through experiments you can do with the PWM pins on the Duino and helps you to create a colour-fading…
Reinvigorating a vintage radio with a Raspberry Pi
Gordon from IQAudIO has done a bang-up job at restoring his late grandmother’s vintage Roberts radio. He’s used one of IQAudIO’s own boards, the Pi-DigiAMP+ and a pair of small speakers to output music from a variety of online sources via Shairport Sync software…
Detecting sweaty astronauts with the Raspberry Pi’s Astro Pi board
Richard Hayler’s primary school Code Club has recently been selected as one of the winning entries in the Astro Pi competition. Their code is one of the projects that will actually run on the International Space Station! It uses the Astro…