Ok so i found this function generator at sparkfun, http://www.sparkfun.com/commerce/product_info.php?products_id=9002
and its close to what i want (it is cheap) but i want to be able to have the output be AC. Is there any extra circuitry i can build that will change the output to AC? Thanks
and its close to what i want (it is cheap) but i want to be able to have the output be AC. Is there any extra circuitry i can build that will change the output to AC? Thanks