ADC click is an accessory board in mikroBus™ form factor with a 12-bit Analogue-to-Digital Converter (ADC) MCP3204 that features 50k samples/second, 4 input channels and low-power consumption. Board uses industry standard SPI communication interface. Board is set to use 3.3V power supply by default. Place PWR SEL SMD jumper to 5V position if used with 5V systems.