Photobooth Buzzer

Buzzer based on ESP32 connects to photobooth via bluetooth emulating a keyboard to trigger captures remotely.

photobooth-app - Documentation - 3d printed box

😍 Features

• battery powered, no cords
• battery status reporting via bluetooth
• USB-C charge port (and programming)
• Possible to charge while using. Battery is charged even if buzzer is turned off.
• simple installation using Visual Studio Code and Platform IO plugin
• emulates bluetooth keyboard, easy integration in a photobooth
• Runtime on battery is ~18h. The power consumption measured is about 60mA - the battery has 1100mAh capacity.

Images

(image shows the former version. updated 3d model and esp board on 2024-09-16 according to BOM)

BOM

• 3d printed parts
• Buzzer: Not Aus Schalter/Taster, rastend, 240V, NC und NO Pilztaster rot IP65 1Ö 1S Buzzer P1C400E72
• Battery: 4XEEMB 3.7V 1100mAh Lipo Batterie Akku 603449 Lithium Polymer Batterien mit JST Stecker.
• ESP board: Adafruit ESP32-S3 Feather with STEMMA QT / Qwiic (8 or 4MB flash)
• on off switch
• some M2 screws

Assembly

• Check images and CAD
• Connect button switch to GND and GPIO D12.
• Connect power switch to GND and EN.

Flash ESP

• use platformio plugin in VCS
• load this project
• click build and upload
• watch serial output for some debug messages of the ESP device.

Integrate with photobooth

To integrate the buzzer with the photobooth-app check the docs https://photobooth-app.org/extras/buzzer/