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Tristam

Plays with tech.

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Tristam

Plays with tech.

  • 3D Design & Printing, Home Assistant

Using a pulse meter with Home Assistant to read your smart electricity meter

We recently moved into a house that has an ESB issued smart electricity meter (Kamstrup model 8660) in the utility cupboard outside of the house. Unfortunately the smart meter has no direct integration with Home Assistant so I needed to…

  • Tristam
  • 19 October 2023
  • 2 Comments
  • Linux, OpenWrt

Raspberry Pi OpenWRT router – OpenVPN vs Wireguard client

As part of my Raspberry Pi based travel router project, I setup a VPN client on the Pi using OpenVPN because that’s what I’m familiar with. Unfortunately the performance was pretty poor so I decided to move to Wireguard in…

  • Tristam
  • 14 August 2023
  • 1 Comment
  • 3D Design & Printing, Home Assistant

Privacy friendly ESP32 smart doorbell with Home Assistant local integration

Privacy focused “smart” doorbells seem to be few and far between so I decided to build one that integrates with Home Assistant via ESPHome and is easy to build. This project is aimed at being simple while allowing a ton…

  • Tristam
  • 3 August 2023
  • 47 Comments
  • 3D Design & Printing, Home Assistant

Home Assistant compatible desk fan (120mm)

Frustrated by the lack of fans that integrate with Home Assistant, I decided to modify this 120mm fan stand to include a compartment for a Wemos D1 mini and a buck converter. This allows us to run ESPHome on a…

  • Tristam
  • 22 July 2023
  • 1 Comment
  • OpenWrt

Using a Comfast CF-926AC V2 WiFi adapter with OpenWrt

OpenWrt is very fussy with USB WiFi adapters and I have only managed to get two adapters to work reliably – my old TP-Link WA722N v1.1 that has an Atheros AR9271L chipset and the Comfast CF-926AC which uses the MediaTek…

  • Tristam
  • 7 June 2023
  • 5 Comments
  • Linux, OpenWrt, Raspberry Pi

Adding an OLED display to an OpenWrt router

Let's use an ESP8266 to add a 0.91' OLED display to my Raspberry Pi based travel router that runs OpenWrt.

  • Tristam
  • 28 May 2023
  • 1 Comment
  • 3D Design & Printing, OpenWrt, Python, Raspberry Pi, Raspberry Pi Cases, Smart Home

Raspberry Pi x OpenWRT Travel Router

Updates: Wow, this post blew up – thanks to everyone who has been checking it out! 1. I’ve managed to get the oled display to work 🎉 check it out here -> Adding an OLED display to an OpenWrt router.2.…

  • Tristam
  • 14 May 2023
  • 14 Comments
  • Raspberry Pi, Raspberry Pi Cases

1u Raspberry Pi enclosure with space for 2 x 2.5′ drives

This case is a continuation of my original design of a 1u enclosure for a Raspberry Pi 3/3B+/4 and a 2.5′ HDD or SSD. Have a look at that post for more info about stacking and rack mounting the enclosure.…

  • Tristam
  • 22 April 2023
  • 1 Comment
  • 3D Design & Printing

Raspberry Pi camera mount (with light) for Ender 3 v2 Neo

This is a remix of this arm and this camera case. My design allows you to mount a Raspberry Pi V1/V2 camera with a Neopixel LED strip to your Creality Ender 3 v2 Neo printer. Parts You can find the…

  • Tristam
  • 20 March 2023
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