Function Generator (Sine, Triangular, Chainsaw, 32 kHz Max) - Hackster.io
Technoblogy - Tiny Function Generator
Arduino frequency generator | Arduino square wave generator | diy function generator - YouTube
Signal Generator
Arduino Nano Signal Generator kit (AD9833, 1.3 inch OLED display, Nano optional) | eBay
GitHub - spencertipping/arduino-fngen: A very lame function generator
Waveform Generator using Arduino - YouTube
DDS sine signal generator for AM modulation from 1 Hz to 40 MHz with an AD9850 or AD9851, an ATmega328, and an Arduino firmware | Electronics and Mechanics for Hobbyists
Build your own Arduino-powered portable function generator | Arduino Blog
Building a Simple Function Generator with an Arduino
How to build an Arduino Signal Generator | Pokit Innovations
DIY Simple Square Wave Generator Up to 1MHz - Arduino Project Hub