Elvin Luff Turn your 2-stage laser filter into a 3-stage for FREE!! My patent-pending lung to 100mm duct adapter makes an excellent pre-filter, absorbing large particulates into your bloodstream before passing on the excess to my cludgy filter box I made a few months ... 27 Aug 2026
Elvin Luff Hacking my rental apartment's ventilation to be smart - Orcon 15RF remote I want to bring the control of my apartment's ventilation system into Home Assistant, so I could automate it using the CO2 and humidity sensors in my CTRL ONE ePaper smart room controllers. But how do... 20 Aug 2026
Elvin Luff Launching the CTRL ONE Time to put myself out there and see what the internet thinks! Hi all, my name's Elvin, and I left my job at the start of this year to try something new. I've been making blog posts and videos on elec... 20 Aug 2026
Elvin Luff Retrofitting an old lamp in hard mode - custom lighting PCBs Custom lighting PCB design frees you from many things - space constraints, creative limitations, all your free time and a large chunk of change. I wanted to do my grandmother's old incandescent floor ... 13 Aug 2026
Elvin Luff This restored 24 year old lamp connects to Home Assistant I restored this almost-quarter-century old standing floor lamp, and upgraded it with LEDs and an ESP32. Here's to the next 24 years. I glossed over the whole part of making custom PCBs and electronics... 6 Aug 2026
Elvin Luff Thread on ESPHome needs more time to cook - Home Assistant Connect ZBT-2 This week I'm experimenting with the Home Assistant Connect ZBT-2 and OpenThread, getting my battery-powered smart cat bowl running ESPHome to play nicely. The results were... underwhelming. There's a... 30 Jul 2026
Elvin Luff Cloud? Here's how you can have the cloud at home. Self-hosting, with Cloudflare Self-hosting doesn't need a rack full of servers. You only need one, and it can even just be a Raspberry Pi. High Availability is for suckers. Here's how I use my home server to power not just my home... 23 Jul 2026
Elvin Luff Does my cat drink enough? Making a smart water bowl Does Carlos drink enough water? To find out, I'm going to use ✨ technology ✨. Seeed Studio sent me their human presence detecting kit, with the XIAO ESP32-C6 and some Grove sensors. I decided to use i... 16 Jul 2026
Elvin Luff Making my 3D printer work with BIG filament spools There's a reason why 5kg spools are not as common, but they're great when you want to print a lot of stuff in bulk, and don't want to worry about running out mid-print. I modified my ELEGOO Centauri C... 9 Jul 2026
Elvin Luff Building the jankiest laser engraver filter with grow shop parts This is probably my stupidest DIY idea to date, and will probably just end up with me spending even more to buy a proper filter unit. But I don't run this laser often, and I just need a stopgap soluti... 2 Jul 2026
Elvin Luff Laser cutters aren't made for apartment life - OneLaser XRF The second best thing after sharks with frikkin' laser beams is a machine with frikkin' laser beams. The only thing I'll be using it on is plastic and cardboard though. There's a steep learning curve ... 25 Jun 2026
Elvin Luff Transforming the Centauri Carbon from a PLA toy to a serious 3D printing machine The ELEGOO Centauri Carbon is a modder's playground - the combination of a great price point making for widespread adoption and the quick wins that can be had with simple modifications made it attract... 18 Jun 2026
