With Opto-pi, there is not an electrical connection between the Raspberry Pi and connected loads (motors, relay coils, etc.) or input signals. Opto-pi uses light to isolate the 8 digital GPIO pins.

Posted in Raspberry Pi Tagged gpio, power supply, RPi ← Open Source Brushless Motor Controller Homebrew 68k Extravaganza → ...

LED matrix cube project showcases customizable images using Raspberry Pi. Tutorial suggests costly Adafruit parts, but cheaper alternatives are available from AliExpress. Explore more Raspberry Pi ...

Most GPIO capabilities become user-friendly by code libraries written to simplify options, but some simplifications are built right into the Raspberry Pi GPIO pins themselves.

A new Raspberry Pi case has been created to accommodate your bare Raspberry Pi mini computer board. Which has been laser cut from acrylic and even has light pipes fitted for you to be able to see ...

The Raspberry Pi was a fairly revolutionary computing device when it came on the scene around a decade ago. Enough processing power to run a full Linux desktop and plenty of GPIO meant almost ...

Another component you'll need for a straightforward LED sign build is a Pi HAT. A Pi HAT is a term used to describe additional hardware attached to the top of a Raspberry Pi unit.

The new Raspberry Pi 500 computer keyboard now includes the same features and performance upgrades of the Raspberry Pi 5 microcomputer, including improved dual display support.

For the Tx, with the pins facing you, attach the Raspberry Pi GPIO 0 to the leftmost pin, 5V to the middle, and ground to the right pin.

Check out this little one on GPIO programming on a Raspberry Pi using Arduino's Web IDE. It's highlighted by the Arduino team (from WeArGenius), and all you… Established in 1960, Electronics Weekly is ...