Quantity   Component name
1 × 3pin Voice Sound Detection Sensor Module
1 × nodemcu
1 × Sparkfun WAV Trigger WIG-13660 module
2 × 16-Channel Analog/Digital Multiplexer/Demultiplexer CD74HC4067
1 × KY-040 rotary encoder and push button
1 × 1.3 Inch OLED Module 128X64 OLED I2C