Quantity   Component name
1 × STM32F437VIT6 ARM Cortex-M4F micro-controller
1 × SGTL5000 I2S Audio CODEC
1 × 96x16 OLED screen (SSD1306)
2 × EC12D rotarty encoders
1 × Micro SD card slot
1 × AP7313-18SRG-7 (1.8V) LDO
1 × MCP73831T-2ACI/OT LiPo charging IC
1 × BD33IA5WEFJ (3.3V) LDO
24 × EVQ-Q2 tactile switch
25 × 0805 SMD LEDs