How to Build Your Own Function Generator Using Analog Devices' AD9833 - Projects
10 MHz Function Signal generator DIY kit from PulsarLabs on Tindie
DDS Function Generator, Signal Function Generator DIY KIT Pulsed Sine Triangular Wave Frequency Generator, Function Signal Generator: Amazon.com: Industrial & Scientific
Banggood Hiland DDS Function Signal Generator Module DIY Kit Pulse Sine Wave - YouTube
DDS Function Signal Generator DIY Kit: Unpacking and Assembly - YouTube
Build your own Function Generator with Arduino and AD9833 DDS Function Generator Module