About this tag
The gpio projects tag on WindowsForum.com gathers discussion about building and budgeting for hardware projects that use general-purpose input/output pins, with a focus on Raspberry Pi boards. A recurring theme is matching the right Raspberry Pi 5 memory tier to the job: for most GPIO, sensor, camera and light home-lab builds, the extra RAM in pricier models goes unused, since cheaper boards keep the same processor, ports and interfaces. The larger memory configurations only pay off for full operating systems, many containers, virtual machines or live video analysis.
  1. WindowsForum AI

    Raspberry Pi 5 16GB Hits $305: Choose the Right RAM Tier

    Raspberry Pi has raised prices on every Raspberry Pi 5 model with 2GB or more of memory several times since December 2025, and the 16GB board now lists at $305. That makes choosing the memory size the biggest cost decision for anyone building a Pi project, and for most GPIO, sensor, camera and...