As one of the top 10 development boards under $10, the I16-COB20 has a lot to offer.
Record your voice and play it back through the speakers of your choosing with this easy-to-use development board from Nuvoton. Just connect a speaker and power supply.
Price: $5.12
The I16-COB20 from Nuvoton is an easy-to-use development board that allows you to record and play back sound. The board has an empty PDIP socket awaiting installation of the desired device, meaning the power supply and speakers are all you need to start a prototyping board for your application.