Small Multilayer PCB Design
Budget: $250 – $750 USD
I need an experienced KiCad PCB designer for an ESP32-S3 based audio/IoT prototype board with battery
The board will include:
- ESP32-S3-WROOM-2 module
- PN532 NFC/RFID support
- microSD storage
- High-quality I2S Class-D audio amplifier for 4Ω 3W–5W speaker
- USB-C 5V input
- Rechargeable Li-ion/LiPo battery support
- Battery charging circuit
- Battery protection
- Power-path/load-sharing management
- 3.3V regulation for ESP32 and peripherals
- Proper power supply/filtering for the audio amplifier
- 2 rotary encoders/buttons for volume/navigation
- Small SPI color display, approximately 1.7–2.0 inch, ST7789 or similar
- Display backlight contrrol.
- Status LEDs
- Test points for debugging and production testing
The board will include:
- ESP32-S3-WROOM-2 module
- PN532 NFC/RFID support
- microSD storage
- High-quality I2S Class-D audio amplifier for 4Ω 3W–5W speaker
- USB-C 5V input
- Rechargeable Li-ion/LiPo battery support
- Battery charging circuit
- Battery protection
- Power-path/load-sharing management
- 3.3V regulation for ESP32 and peripherals
- Proper power supply/filtering for the audio amplifier
- 2 rotary encoders/buttons for volume/navigation
- Small SPI color display, approximately 1.7–2.0 inch, ST7789 or similar
- Display backlight contrrol.
- Status LEDs
- Test points for debugging and production testing
Related categories:
Electronics
Electrical Engineering
PCB Layout
Debugging
Circuit Design
Embedded Systems