Device Design for Audio Recording
Thought for 1 min 25 sec
Here are the components to add to your schematic for the cost-optimized 18-hour audio recorder:
Table
| Part Name | Purpose | Manufacturer Part Number | Quantity | Footprint | Datasheet link |
|---|---|---|---|---|---|
| ESP32-S3-WROOM | MCU with integrated Wi-Fi/BT for audio capture and wireless sync | ESP32-S3-WROOM | 1 | Module (SMD) | ___ |
| INMP441 I²S Microphone | Digital MEMS mic for high-quality voice capture | INMP441 | 1 | LGA-8 (SMD) | |
| TP4056 USB-C Charger | Single-cell Li-Ion charger over USB-C | TP4056 | 1 | SOT-23-5 | |
| 8 GB microSD Card | Non-volatile storage for 18 h of audio | 8 GB microSD Card | 1 | Card | ___ |
| Li-Ion Pouch Cell 2000 mAh | Battery sized for ~18 h runtime at ~110 mA average draw | LiPo 2000 mAh | 1 | Pouch | ___ |
| USBLC6-2SC6 TVS Diode | ESD protection on USB-C data and CC lines | USBLC6-2SC6 | 1 | SOT-23-3 | |
| 10 µF Ceramic Capacitor | Bulk decoupling on charger input and ESP32-S3 power pins | CL21B106KAYQNNE | 4 | 0805 | |
| 100 nF Ceramic Capacitor | High-frequency bypass near each digital IC | CL05A104KA5NNNC | 4 | 0402 |
Shall I proceed to add these components to your schematic?
Thought for 34 sec
