What hardware do I need?

The list of items you’ll need is also included below:

Raspberry Pi 3B/3B+ (Note: this project will not work with Pi Zero or older devices with < 1GB RAM)
16GB Micro-SD Card (we recommend Sandisk Extreme Pro SD cards)
Display (any Raspberry Pi display will work for this project)
Micro-USB cable
Power supply
Case (optional)

Can you use this balenaDash without the Raspberry Pi display?

Sure! Any HDMI display will work just as well.