Stuff to do with Raspberry pi / domoticz etc.

Improving wifi roaming without mesh routers

By Atomstar on Friday 5 April 2019 17:57 - Comments (8)
Category: Smarthome, Views: 11.646

Although I've managed to get WiFi connection in most corners of my house, I still had limited signal in my garden ('for one of those days you can squint your eyes in the sun trying to read the screen', a friend joked). Although this situation rarely happens, I still like to fix things in theory sometimes :p

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VLAN tagging on OpenWRT/managed switches

By Atomstar on Wednesday 3 April 2019 20:31 - Comments (5)
Category: Smarthome, Views: 5.410

I wanted to place my router somewhere not in the meterkast, so I used VLAN tagging on a managed switch to get the WAN data to the router and my LAN data back on the same wire (but different VLAN) to distribute to the rest of the house.

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Crimping network cables

By Atomstar on Sunday 31 March 2019 20:35 - Comments (13)
Category: Smarthome, Views: 4.021

Although most of us (including me) are familiar with making our own network cables/jacks, I recently wired network cable in my house learned some new things/abbreviations on cable thickness, cable material, pin termination, cross-over vs straight cables. I document my findings here for reference and case I forget in the future ;)

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Measuring CO2 using MH-Z19B and D1 mini pro

By Atomstar on Thursday 20 December 2018 20:59 - Comments (1)
Categories: ESP8266, Smarthome, Views: 5.744

In this article I describe how to measure CO2 levels using an MH-Z19B CO2 sensor connected to D1 mini pro and push these somewhere over wifi.

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Getting started with LOLIN D1 mini/DHT22 on Mac

By Atomstar on Thursday 20 December 2018 16:06 - Comments (5)
Categories: ESP8266, Smarthome, Views: 2.970

To augment my smarthome hub and feed it with more data, I'm experimenting with LOLIN ESP8266 boards from WeMos. Specifically, I have the LOLIN D1 mini Pro v2.0.0. In this post I document how I overcame some hurdles in getting this to work. See also this WeMos tutorial.

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