In the figure below I show you the schematic diagram.
SparkFun RedBoard Artemis
Features: Arduino Uno R3 Footprint, 1M Flash / 384k RAM, 48MHz / 96MHz turbo available, 24 GPIO - all interrupt capable, 21 PWM channels, Built in BLE radio, 10 ADC channels with 14-bit precision, 2 UARTs, 6 I2C buses, 4 SPI buses, PDM Interface, I2S Interface and Qwiic Connector.
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