WiFiSoundNode
uxabix
Low-power ESP32-based Wi-Fi audio device. It functions as a standalone network speaker, capable of playing stored audio files or streaming audio over Wi-Fi via a simple HTTP API, with a strong focus on energy efficiency.
Components (15)
| Reference | Value | Description |
|---|---|---|
| Q1 | NMOS | N-MOSFET transistor, drain/source/gate |
| U1 | ESP32-C3-SuperMini | |
| U2 | MAX98357A | |
| U3 | 2S BMS | |
| U4,U5 | Mini560 | A High Efficiency Output 5V 5A mini560 Step Down DC-DC Converter Voltage Regulator Buck Stabilized Power Supply Module |
| U6 | IP2326 | Boost 2S Li-Ion charging IC |
| BT1,BT2 | Li-Ion Cell | Single-cell battery |
| C1 | 40n | Unpolarized capacitor |
| LS1 | Speaker 4R | Speaker |
| R1 | 270k | Resistor |
| R2,R6 | 100k | Resistor |
| R3 | 4K53 | Resistor |
| R4 | 7K5 | Resistor |
| R5 | 22R | Resistor |
| TH1 | 100K B4100/B3950 NTC | Temperature dependent resistor, negative temperature coefficient |