Welcome to our site! EDAboard.com is an international Electronic Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.
First decide what current is supposed to pass through it and then select an enamelled copper wire for the same. Then start winding on a core and measure with a L meter at regular intervals. Example : May be if you stop at 20 turns and you get 1Mh, it means by 200 turns, you'll recah 10Mh.