Thomas' writings, builds, toys

openHASP touch display build

openHASP running in a 3D printed case

openHASP running in a 3D printed case

I discovered HASP - open hardware edition while I was searching for projects integrating touch interfaces with Home Assistant.

With this opensource firmware, you can easily and cheaply make a network connected touch control panel to control devices or show values.

When I bumped into a nice 2.8" TFT Desktop stand enclosure on thingiverse, I remembered I had an unused 2.8" ILI9341 display with resistive touch layer from a previous project.

Connecting the dots... I had all the necessary parts in my workshop, this would make a nice project to make over a weekend evening.

Continue reading ...

lighting scene / mood control proof of concept

twatch running lighting scene selector

Lilygo twatch 2020 running simple lighting scene (mood) control proof of concept

I discovered a lovely smart watch development platform; the Lilygo t-watch 2020. It's an ESP32 based hackable watch, with a small capacitive touch display.

I had already played with the idea of building a small home automation control and status display that fits into the existing switch cover plate, so clicked the order button and leveraged the open source watch firmware to quickly hack together a proof of concept.

Continue reading ...