Electronics › Electronics › 7805 Voltage Regulator › Hi! As Dishanth and Bhatt
June 11, 2014 at 1:10 pm #11814
As Dishanth and Bhatt mentioned here, this problem may be due to insufficient power supply or more power sinking from 7805.
You may get some more detailed idea about 7805 voltage regulator by reading the post – How 7805 Voltage Regulator Circuit Works?
Once check this! I think you can get more idea about it.