

Waveshare ESP32-S3-LCD-1.54 specifications:
- SoC – Espressif ESP32-S3R8
- CPU – Dual-core Tensilica LX7 microcontroller up to 240 MHz with vector instructions for AI acceleration
- Memory – 512KB SRAM, 8MB PSRAM
- Wireless – WiFi 4 and Bluetooth 5.0 LE + Mesh connectivity
- Storage
- 16MB NOR flash
- MicroSD card slot
- Display
- 1.54-inch IPS display with 240×240 resolution, 262K colors
- 4-wire SPI ST7789 driver
- Optional CST816 capacitive touch controller (not used by the DIY Radio project)
- Audio
- Speaker
- 2x microphones
- NS4150B audio amplifier
- ES8311 low-power audio codec
- ES7210 AEC (acoustic echo cancellation) chip
- USB – USB Type-C port for power and programming
- Sensor – QMI8658 6-axis IMU with gyroscope and accelerometer
- Misc
- Power, Boot, and “PLUS” user buttons
- Ceramic antenna
- Power Supply
- 5V via USB Type-C port
- 2-pin connector for a 3.7V lithium battery; supports charging and discharging
- Dimensions – 46 x 46 x 22.5 mm