Quantity   Component name
1 × STM32F070F6P6 MCU Cortex-M0
12 × WS2812x Neopixel LED
1 × GS8632C-SR Low Noise OpAmp. 6MHz Gain-Bandwith. Rail-to-rail input and output
1 × Electret mic 6x2.7mm package with -50dB sensitivity