Dash Button DIY with ESP-01

I've been looking for a DIY dash button for my FHEM SmartHome system for a long time. Here on Thingiverse I found this [ESP8266 IoT Wifi] button (https://www.thingiverse.com/thing:2803769).

I really liked the design of the case as well as the possibility to operate it via MQTT.

Since I still had ESP-01 and CR2032 at home, I got down to work.

components:

- [ESP-01](https://de.aliexpress.com/item/32688280601.html?)
- CR2032
- [Button 6x6x8](https://de.aliexpress.com/item/32948674770.html?)
- [double-sided PCB](https://de.aliexpress.com/item/32575817684.html?)
- [silver wire](https://www.amazon.de/gp/product/B0043DQ7WK/ref=ox_sc_act_title_1?)

First, I broke off a rectangle of the PCB (about 56mm x 22mm), then rounded the corners so it fits into the case. I placed the button so that it sits under the movable end of the lid. For me it is about 16mm from the head of the inner wall. Since I did not have a holder for the CR2032 battery, I built it from a strap made of silver