Show pagesourceBack to top Share via Share via... Twitter LinkedIn Telegram Yammer RedditRecent ChangesSend via e-MailPrintPermalink × Table of Contents Models v4 Linux distributions general purpose specialised Windows on the Raspberry Pi Accessories cases Sourcing Troubleshooting Further information Videos Raspberry Pi Models There are several form factors: A B zero compute module Usually you want the "B" version which is the "standard" nowadays. v4 The first iterations of the Raspberry Pi v4 had some problems with USB voltage regulation. There are three models of the Raspberry Pi 4, different in RAM size: 2GB, 4GB, 8GB. The 8GB version is thought for memory intensive tasks, usually the 4GB version is enough for most applications though. Linux distributions general purpose DietPi – lightweight and easy to install Debian based OS. Raspbian – "standard" or "reference" OS for Raspberry Pi, it's supported by the Raspberry Pi Foundation Arch Linux ARM – rolling release distribution for advanced users. specialised LibreElec – Turn your Raspi in a home entertainment system RetroPie – uses Raspbian as a base, along with EmulationStation and RetroArch Lakka – transforms the Raspi into a full blown DIY retro gaming console Windows on the Raspberry Pi It's possible, but don't do it (yet). Accessories official Raspberry Pi power supply supplies 5.1 volt which is useful because the Raspi draws a lot of uneven load and shouldn't be supplied with less than 5V regular 5V power supplies drop their voltage a bit when the load is high or the cable is long cases Official Case – doesn't have good airflow/ventilation, nor a heatsink, nor a fan Joy-IT: LEGO Case magnetic case with dual fans Sourcing Since Raspberry Pis are currently (as of 2021/2022) hard to get1, here's a site which shows where they are in stock: rpilocator.com. Troubleshooting IRQ Balancing needs to many resources sometimes. crontab # Restart IRQ balancer once a day 0 0 * * * root /usr/sbin/service irqbalance restart Further information Videos Jeff Geerling: Raspberry Pi Playlist [1] see Jeff Geerling's video "You Can't Buy a Raspberry Pi — Why?" (October 2022) Last modified: 2023-01-11 09:27