Hacker News: f3408fh

New comment by f3408fh in "Ask HN: What Are You Working On? (April 2026)"

f3408fh — Sun, 12 Apr 2026 19:39:27 +0000

I built a MacOS-native app [1] to control Positive Grid Spark amps [2], without needing a phone.

Official app is mobile-only and clunky, and the workflow is awkward if you're sitting at a desk. Hardest part has been maintaining compatibility across amp models. Small protocol changes or optimizations I make for one amp can break another. That means I have to do a lot of manual testing before every release. So I'm trying to think of an emulation layer or test harness I can build to make my life easier. Happy to hear suggestions there.

About ~50 people are using it so far, and main feedback has been that it's much faster and more reliable than the official app.

[1] https://tonepilot.app [2] https://www.positivegrid.com/products/spark-2

New comment by f3408fh in "I want to wash my car. The car wash is 50 meters away. Should I walk or drive?"

f3408fh — Mon, 16 Feb 2026 15:40:29 +0000

As always when I see a post like this, I try to reproduce it, and have a completely different experience:

``` Q: I need to wash my car. The carwash is 50m away. Should I walk or drive? A: Drive — you need the car there anyway. ```

New comment by f3408fh in "Diátaxis – A systematic approach to technical documentation authoring"

f3408fh — Thu, 05 Dec 2024 12:50:28 +0000

All of Canonical's documentation is written with Diataxis. Here are the Ubuntu Server docs: https://ubuntu.com/server/docs