@@ -1,4 +1,5 @@
DDS + LCD + KEYPAD + C in WinAVR
-- https://www.frankvh.com/dds-signal-generator/dds-software/
+- https://www.frankvh.com/dds-signal-generator/dds-software/
+- https://electronhacks.com/2011/10/diy-function-signal-generator/
