These things happen all the time. When you start a new project, but feel from the beginning that it’s not what you wanted. Usually they end up collecting dust. I think there is nothing shameful because it is better to fail than do nothing. There are thousands of examples where people, companies start new projects with enthusiasm but they never reach the day light. But without those efforts we wouldn’t see other great projects and products. Not all of them are made from first try.
It’s been over a year since announcement of AVR DDS3 signal generator. As you have noticed there is no progress so far on it. And I am going to five up on it for a couple reasons. From the beginning I didn’t feel comfortable with it. Continue reading
Finally some update on AVR DDS3 signal generator. Circuit is practically done and PCBs are made. I decided to go with two microcontrollers on board to make it more functional. One microcontroller Atmega328P is gonna be dedicated to user interface and signal generator control. Second Atmega88 is gonna be used for signal generator only. This will give un-interruptable signal output while changing parameters or simply doing signal sweeps.
Simple keypad should be convenient for entering frequency values and menu navigation. Continue reading