1. DIGITAL CLOCK http://www.ehab-elnagdy.co.cc

2. Draw the schematic and the PCB. http://www.ehab-elnagdy.co.cc

3. Print the PCB to a glossy photo paper. To by productive print many design in one paper. http://www.ehab-elnagdy.co.cc

4. Cut the PCB. http://www.ehab-elnagdy.co.cc

5. Flip the glossy photo paper into the PCB and use the iron as in image. http://www.ehab-elnagdy.co.cc

6. After you finish it will looks like this. http://www.ehab-elnagdy.co.cc

7. Put some FeCl 3 on hot water. http://www.ehab-elnagdy.co.cc

8. Put the PCB on it. http://www.ehab-elnagdy.co.cc

9. After a while get it out and wash it with water. http://www.ehab-elnagdy.co.cc

10. Cut it to the exact size and clean it. http://www.ehab-elnagdy.co.cc

11. Print the green mask, any type of ink will work fine. I use silkscreen ink mixed with varnish. after printing the ink, dry it with hot air or in the oven. http://www.ehab-elnagdy.co.cc

12. Drill it. http://www.ehab-elnagdy.co.cc

13. Assemble the component. http://www.ehab-elnagdy.co.cc

14. Apply the tin to the patches in the edge. http://dhost.info/bdrelectronics

15. Test every board alone then assemble them. http://www.ehab-elnagdy.co.cc

16. WOW. http://www.ehab-elnagdy.co.cc