OpenHASP Dual Gang Smart 3.5" Touchscreen Switch

thingiverse

This is an USA Dual Gang Touchscreen 3.5" Smart Switch for use with OpenHASP + Home Assistant. ================================WARNING======================================== THIS PROJECT INVOLVES MONKEYING WITH HIGH VOLTAGE AND YOU COULD KILL YOURSELF AND/OR SET YOUR HOUSE ON FIRE The end result is a thing that connects to live voltage and will be placed into your wall for years to come. It will not carry any sort of UL/CE/etc certification. Proceed with extreme caution. ================================WARNING======================================== This design uses open source software [OpenHASP](https://haswitchplate.github.io/openHASP-docs/0.5/) and integrates with [Home Assistant](https://www.home-assistant.io/). Materials: [Hi-Link 220V to 5V AC-DC Converter 3W ](https://www.amazon.com/gp/product/B01B7FNNRS/ref=as_li_tl?ie=UTF8&tag=luizoneto-20&camp=1789&creative=9325&linkCode=as2&creativeASIN=B01B7FNNRS&linkId=a75697271c0ff5e9d896b8437b201cc0) . [ESP32 Mini](https://www.amazon.com/gp/product/B08TBQRMY4/ref=as_li_qf_asin_il_tl?ie=UTF8&tag=luizoneto-20&creative=9325&linkCode=as2&creativeASIN=B08TBQRMY4&linkId=78d9011f3b44025b54d3c5c15f6d9e56). [3.5 Inch 320x480 TFT with Touchscreen](https://www.amazon.com/gp/product/B08MQLSCRP/ref=as_li_qf_asin_il_tl?ie=UTF8&tag=luizoneto-20&creative=9325&linkCode=as2&creativeASIN=B08MQLSCRP&linkId=fe9efcc549172bbd31c6bab6b8999fc6). [2mm nut insert for 3D printing](https://www.amazon.com/gp/product/B07R9WMW75/ref=as_li_qf_asin_il_tl?ie=UTF8&tag=luizoneto-20&creative=9325&linkCode=as2&creativeASIN=B07R9WMW75&linkId=c637c440bd87b0e23142ab7f4e613c49). [M2 Screws Assorted](https://www.amazon.com/gp/product/B075QKT1RF/ref=as_li_qf_asin_il_tl?ie=UTF8&tag=luizoneto-20&creative=9325&linkCode=as2&creativeASIN=B075QKT1RF&linkId=44d956076f60addee03c434c41fe57d0). [28AWG Wire Wrap wire](https://www.amazon.com/gp/product/B01M35UM7L/ref=as_li_qf_asin_il_tl?ie=UTF8&tag=luizoneto-20&creative=9325&linkCode=as2&creativeASIN=B01M35UM7L&linkId=c587b0d3e78322a1638be5bddff000b0). [5V Dual Relay Module](https://www.amazon.com/gp/product/B078478SZ9/ref=as_li_qf_asin_il_tl?ie=UTF8&tag=luizoneto-20&creative=9325&linkCode=as2&creativeASIN=B078478SZ9&linkId=78540395cafae770c66659918e653cb0). Compile and load OpenHasp using FreeTouchDeck profile (using existing .ini file). Modify the TFT_eSPI Section according to the information below: ;region -- TFT_eSPI build options ------------------------ -D USER_SETUP_LOADED=1 -D ILI9488_DRIVER=1 -D TFT_ROTATION=1 ; 0=0, 1=90, 2=180 or 3=270 degree -D TFT_WIDTH=320 -D TFT_HEIGHT=480 -D TFT_MISO=22 ;// (leave TFT SDO disconnected if other SPI devices share MISO) -D TFT_MOSI=23 -D TFT_SCLK=18 -D TFT_CS=15 ;// Chip select control pin -D TFT_DC=2 ;// Data Command control pin -D TFT_RST=4 ;// Reset pin (could connect to RST pin) -D TFT_BCKL=32 ;None, configurable via web UI (e.g. 2 for D4) -D SUPPORT_TRANSACTIONS -D TOUCH_CS=21 -D TOUCH_DRIVER=2046 ; XPT2606 Resistive touch panel driver -D SPI_FREQUENCY=27000000 -D SPI_TOUCH_FREQUENCY=2500000 -D SPI_READ_FREQUENCY=20000000 ;endregion Connect the Relays to GPIO 27 and GPIO 33.