You've heard of a 60% keyboard, and even a 40% keyboard, but this PiPi Gherkin mechanical keyboard—powered by the itty bitty Raspberry Pi Pico (opens in new tab)—is really pushing it. Being a full time writer, any less than the full 104 keys is a challenge for me; this keyboard (opens in new tab) has just 30.
How anyone can use a 30% keyboard is just beyond me.
Each key is full size, which at least gives it some semblance of utility, but without a backspace, return key, or even a dedicated spacebar, this little thing would terrify even the most veteran small-form typist.
Hackaday writer, Donald Papp, urges us not to be disheartened by the sparsity of keys, though, saying: "It has more functionality than it would seem to at first glance." Rather than using a function key combo, the bottom row has "dual function tap/hold keys," meaning technically there is a spacebar—according to some helpful commenters it's mapped to the right arrow key for some reason.
Of course, the whole thing is fully re-mappable. With the use of 'layer states,' changing the 'default layer' means it's possible to switch between Dvorak, Colemak or Workman layouts quite readily. And by programming individual layer states you can "overlay the base layer with other functions," according to the github explainer (opens in new tab) at least.
There are certainly less useful keyboards (opens in new tab) out there, but I'm still not convinced I could get any work done with the PiPi Gherkin. Though as Papp notes, "For some applications, smaller is better."
You keep telling yourself that, bud.