Schwimmflugel| Quantity | Component name | |
| 1 | × | ESP32-WROOM-32E |
| 1 | × | MAX98357a I2S Audio Amplifier |
| 2 | × | FPC Coil |
Business Card Bluetooth Speaker
ESP32 controlled business card that connects to your phone or laptop and plays sound on a built in speaker.
ESP32 controlled business card that connects to your phone or laptop and plays sound on a built in speaker.
| Quantity | Component name | |
| 1 | × | ESP32-WROOM-32E |
| 1 | × | MAX98357a I2S Audio Amplifier |
| 2 | × | FPC Coil |