What I had was (probably, based on quick googling for images of "small Logitech keyboard") Logitech diNovo Mini Wireless Keyboard. I have K400 on my other HTPC, and it's larger than I'd wish.

The DS Pixel Keyboard is a customizable keyboard that uses a 14 inch, 3840 x 1100 pixel IPS LCD touchscreen display as its input surface. This allows you to use configure custom keyboard layouts ...

Battery: 1,500 mAh Measurements: 12.3 x 5.17 x 1.02 inches Weight: 21.6 ounces The Logitech MX Mechanical Mini is a compact mechanical keyboard that’s designed with productivity in mind.

2 Comments on Penk’s Rasti Computer is a GRiD Compass-inspired DIY laptop with a 10.4 inch screen, Framework Mainboard, and custom keyboard Click to share on Mastodon (Opens in new window) Mastodon ...

The keyboard also houses a USB hub to attach other gadgets, as well as a lithium battery to power the haptic knob, since it uses more power than a standard USB 2.0 port can deliver.

The lowest I could get was an inclination of 126 degrees, and the highest it could go was a keyboard-screen angle worth 168 degrees. The in-built magnets hold on pretty tightly to the tablet.