A "ZauberBox" with Buttons - Software uses final state machines to send various commands via MQTT
- To be build with Platformio
pio runwill install dependencies and build the softwarepio run --target=uploadwill upload the software
- Create
data/config/homie.jsonwith Wifi/MQTT credentials as described at https://homieiot.github.io/homie-esp8266/docs/stable/configuration/json-configuration-file/ - Upload it with
pio run --target=uploadfs
- Connect serial monitor with baudrate 74880 to your device. (This baudrate is used by the bootloader, so it is used in the software too, so you can see all messages).
- Optional: Adapt FreeCAD project to your needs (other sizes) and export SVG files for laser cutter
- Use SVG files to lasercut the case
- Use some pushbuttons and connect them to your ESP8266: no pullup resistors needed: just connect the inputs D1, D2, D3, and D4 to a button and connect the NO contact of each button to GND.
- Connect a 32*8 LED Matrix to SS, CLK, MOSI, MISO of your D1 Mini
- drill a hole for 5V power supply (or higher supply and use a DCDC converter for 5V)
- glue eveything together (I wood is of good quality you don't need that much glue)
- Glue a very thin piece of wood (balsa etc.) to the front
- When glue has dried, sand the box to smoothen surfaces
- For detailled instructions, see Assembling