There are steps to develop and fabricate your own PCB
1. Design your circuit from easyeda.com or any circuit design software (Eagle, Kicad, Altium etc)
2. Print the circuit on the transferred paper using laser printer HP
3. Apply heat on that paper to transfer ink onto the PCB copper
4. Etching (step 3) into ferric chloride (acid) for 10 minutes
5. Take out and clean up ink with thinner
6. Drill the hole with micro drill
7. Solder all components followed the schematic diagram that designed at first
8. Testing and DONE.
Figure below shows the comparison between first orientation of components (left) and new (right). The improvements are on the size minimised and reduced about 30%.
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