Hi Mahmoud,Please find this | Microcontroller › AVR › atmega 8 to produce pwm › Hi Mahmoud,Please find this February 21, 2014 at 4:53 am #11072 AJISH ALFREDParticipant Hi Mahmoud, Please find this link http://www.engineersgarage.com/embedded/arduino/variable-frequency-sine-wave-generation-using-arduino
