The keyboard [JenShen] used was a simple Casio keyboard with built-in voices. After tearing out the guts of the keyboard, the only thing that remained is the row of push buttons underneath the keys.
Beginner keyboard? Yes, but the truth is that Casio's brilliant CT-S1 is essentially a portable digital piano. So. not only is it a great 'first keyboard', but it's also a good one for more ...
What do you do with a circa 1985 Casio FX-451 calculator with a bad keyboard? Well, if you are [Poking Technology], you transplant the inside of the calculator to a new custom keyboard.
Piano keyboards act as a good music system to explore ... keyboard that you can get to learn and play Indian music. The Casio CT-S200 Casiotone is a budget-friendly 61-key portable.