Hi Everybody... , and this is my second instructable so please give me advise and point out the areas in which i can improve.
Please after looking to my project give an honest rating.
Step 1: Things that you will need
6)3 9v batteries
8)Two variable resistors of 10K
Download the data sheet of LM358 and LM7805 IC.(You may need it !)
Link of LM358- http://www.datasheetcatalog.com/datasheets_pdf/L/M/3/5/LM358.shtml
Link of LM7805- http://www.datasheetcatalog.com/datasheets_pdf/L/M/7/8/LM7805.shtml