AirAmp
An LM386-based speaker amplifier with an ESP32 Bluetooth receiver for wireless audio playback, packaged on a custom PCB in a 3D-printed enclosure.
Key Achievements
- Designed and soldered LM386-based speaker amplifier with 3.5mm input, power switch, and volume control
- Tested and debugged the circuit using a function generator and oscilloscope, validating input/output behavior
- Integrated ESP32 to interface with the circuit and add Bluetooth receiver capability for wireless audio playback
- Designed a PCB for the speaker circuit in KiCad and developed a 3D-printed enclosure to package the system
Technologies Used
ESP32Analog CircuitsLM386BluetoothKiCad3D PrintingOscilloscope