The Digilent PmodMIC3 is a small microphone module with a digital interface. An improvement on the PmodMIC, the MIC3 is functionally equivalent, but uses a MEMS microphone with volume control, the Knowles Acoustics’ SPA2410LR5H-B. Add in the Texas Instruments’ ADCS7476 12-bit analog-to-digital converter and you can capture your audio with ease.