Touch Thermostat

A Wifi (Homie-ESP8266) enabled temperature sensor with touch control (for set-temperature)

Ian Hubbertz

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Description

* Hardware (Electronics): ESP8266, MPR121 (Touch), HTU21D (Temperature), 8x8 WS2812-Matrix, conductive film (indium tin oxide)

* Hardware (mounting): 3D printed wall-mount + lasercut conductive film + lastercat front plate + mount adapter

* Software: based on Homie-ESP8266 (MQTT convention and its ESP8266 implementation)

* Peers: Configured to use with openHAB

* Curent state: prototype runs fine in living room

Credits:

The idea of "mixing" up to 4 digits into a 8x8 matrix was inspired by http://timewitharduino.blogspot.de/2012/01/mixiclock-4-digits-displayed-on-8x8-led.html

TODO:
Mechanical: Improve mechanical stability (already quite ok), reduce size of front plate, improve touch robustnes
Electronics: Publish schematics (it is very simple, so there is no urgent need to publish

Project Logs

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Github Sources updated including 3D Model
Ian Hubbertz • 01/03/2018 at 17:19 • 0 comments

I just updated the github sources. This includes a bugfix and also an adjustment for the temperature. This adjustment requires a change in my HomieNodeCollection. That changes was also published to github. However, platformio has not recognized the new library version yet, so building fails until platformio distributes version 0.8.1 of HomieNodeCollection.
The push to github also includes the Freecad-Files for the Wall adapter.