Pcb tools / raw materials:
Pcb tools / raw materials:
● Photosensitive circuit board x1 block
● Ferric chloride x1 bottle, or environmentally friendly etchant x1 package
●Photosensitive plate developer x1 package
●Transparent rubber x1 volume
●Pencil x1
●Table lamp x1
● glass piece (the thicker the better) x1
●Plastic basin or crisper x1 (note that it must be plastic!!)
●Working knife x1
●Steel ruler x1
●Electronic scale or balance x1 (unless you want to use up all the medicines at once)
●Stopwatch, watch, clock, can time
● flat head dice x1
●Electric drill, bench drill, can punch holes. Be careful to use a fine drill! Suitable for around 0.8mm.