How to connect Pianotracker with a keyboard or e-piano

Pianotracker works with any keyboard, digital piano, or MIDI controller that supports Bluetooth, or has either a USB to Host port, or a MIDI Out port. These ports are usually found on the back of the keyboard.

Connect via USB

Nowadays, all keyboards and e-pianos have a USB port and require an "USB A to B" cable (the same cable as a "USB printer cable"). Here you can find a link to purchase such USB cable. Have a look at the pictures in the link and make sure that you find such port on your keyboard before buying...

Connect via Blootooth

This apporach is the most convenient one, since it will not require any cable between your tablet/computer and the keyboard/e-piano...
Modern keyboard and e-pianos might support MIDI via Bluetooth. Contact service [at] pianotracker.com to get more details about how to connect.
If your keyboard doesn't support Bluetooth, then there are usually some dongles you can buy. E.g. Yamaha MD-BT01 Wireless Midi Adapter which works very well for keyboards/e-pianos with MIDI-OUT port.