Raspberry Pi for digital signage: a practical guide
A Raspberry Pi is the most affordable way to turn any TV into a professional digital signage screen. Here is what to buy and how to set it up reliably.
· 2 min read
A Raspberry Pi is a credit-card-sized computer that costs a fraction of a commercial media player — and it's more than capable of running a digital signage screen around the clock. Here's how to get it right.
What to buy
For a reliable setup you need:
- Raspberry Pi 5 (4 GB is plenty) or a Raspberry Pi 4 (2 GB or more).
- The official power supply — 27 W for the Pi 5, 15 W for the Pi 4.
- A 32 GB A2-rated microSD card from a reputable brand, or a small SSD for the Pi 5.
- A case with passive cooling.
- A micro-HDMI to HDMI cable.
Why the official power supply? Under-powered adapters are the number-one cause of random freezes and corrupted SD cards. It's the one place not to save money.
Installing the player
- Flash Raspberry Pi OS (64-bit) with Raspberry Pi Imager, or use our ready-made TB-cast image.
- Connect the Pi to your screen and network (wired is best).
- Open a terminal and run the install command from our Hardware & downloads page.
- The player starts in full screen and shows a six-character pairing code.
- Enter the code in the TB-cast portal. Done.
Making it bullet-proof
- Use a wired connection where possible. Wi-Fi works, but Ethernet is more stable.
- Disable your TV's power saving so it doesn't switch off after a few hours.
- Enable HDMI-CEC on your TV so the player can switch the display on and off on a schedule.
- Mount it behind the screen with velcro or a VESA bracket, away from heat sources.
What about offline playback?
The TB-cast player caches your content and schedule locally. If the internet drops, the screen keeps playing; changes sync automatically when the connection returns.
Pi 4 or Pi 5?
| Raspberry Pi 4 | Raspberry Pi 5 | |
|---|---|---|
| Full HD slides and widgets | Excellent | Excellent |
| 4K video | Limited | Smooth |
| Multi-zone layouts with video | OK | Smooth |
| Price | Lower | Slightly higher |
If you're buying new, go for the Pi 5. Got a Pi 4 in a drawer? It's perfect for menu boards and information screens.
Ready to try? Start your free trial and pair your first Pi in minutes.