A party speaker for the bathroom, integrated into the Home Assistant to turn on and off automatically with the lights. See it live in action here:

 

Here's the sources for all the parts on German Amazon:

Perfboard https://amzn.to/3Yb5DyF

D1-Klon https://amzn.to/4eM3e4i

DFPlayer-Klon https://amzn.to/4h94jVG

PAM8403-Board https://amzn.to/48cicyk

3W-Minilautspecher https://amzn.to/486xxAn

Mikrotaster-Sortiment https://amzn.to/48bP2iv

WS8212B-Lichterkette 144 LEDs/m https://amzn.to/4dN8fZd

Draht mit Silikonmantel https://amzn.to/3Y9qgLC

 

For v2, print the case and labels STL as one part with multiple materials, the case color being a bit transparent to make the labels shine through.

 

ESPHome-Configuration:

esp8266: board: d1_mini api: services: - service: dfplayer_set_volume variables: volume: int then: - dfplayer.set_volume: !lambda 'return volume;' uart: tx_pin: D2 rx_pin: D6 baud_rate: 9600 dfplayer: binary_sensor: - platform: gpio pin: number: D7 inverted: True mode: input: true pullup: true name: "Vol-/Pause" on_multi_click: - timing: - ON for at most 0.5s - OFF for at least 0.2s then: - dfplayer.volume_down - logger.log: "Vol- pressed" - timing: - ON for at least 1s - OFF for at least 0.2s then: - if: condition: dfplayer.is_playing then: - dfplayer.pause: - logger.log: "Pause pressed" else: - dfplayer.start: - logger.log: "Play pressed" - platform: gpio pin: number: D5 inverted: True mode: input: true pullup: true name: "Vol+/Skip" on_multi_click: - timing: - ON for at most 0.5s - OFF for at least 0.2s then: - dfplayer.volume_up - logger.log: "Vol+ pressed" - timing: - ON for at least 1s - OFF for at least 0.2s then: - dfplayer.play_next switch: - platform: template name: "Play" optimistic: True id: track2 turn_on_action: then: - delay: 1s - dfplayer.random: # folder: 1 # loop: true turn_off_action: then: - dfplayer.stop light: - platform: neopixelbus variant: WS2812 pin: D3 num_leds: 30 type: GRB id: right name: "Light" effects: - addressable_rainbow: name: Rainbow speed: 10 width: 30 on_turn_on: - light.turn_on: id: right effect: "Rainbow"