Sarieli

An electronic theremin.

Hardware

• 1 × ESP-32D
• 2 × HC-SR04 ultrasonic distance sensor
• 1 × UDA1334 I²S stereo DAC

The project can be easily adapted to run on most ESP32 microcontrollers.

Building

Open this project on the PlatformIO IDE and run the project task "Upload and Monitor".

Connections

UDA1334

• VIN:
• 3V0: ~
• GND: ESP32 GND
• WSEL: ESP32 GPIO4
• DIN: ESP32 GPIO2
• BCLK: ESP32 GPIO3
• Lout: ~
• AGND: ~
• Rout: ~
• PLL: ~
• SF0: ~
• MUTE: ~
• SF1: ~
• SCLK: ~