I designed this circuit and I want to make sure if it is safe before testing on breadboard.
BT66T is a Simple Melody Generator, I want to use PAM8403 to amplify its music. Also I want to use ATmega16 to turn on and off the music according to my needs.
Partial test of BT66T and PAM8403 (without AVR and 2N3904) works fine :
More info :
Operating Voltage: 1.3V ~ 3.3V
Operating Voltage: 2.5V ~ 5.5V
Speaker With: 4Ohm ~ 8Ohm
Speaker Power: 2W ~ 8W
Thanks in advance