Once the circuit is designed, the traces and pads are printed (mirrored) out onto sticker backing paper. The toner from your laser printer is transferred to the copper with a clothes iron.

This tip for creating glass substrate circuit boards at home might hew a bit closer to arts and crafts than the traditional Hackaday post, but the final results of the method demonstrated by [Helio… ...

Now carefully connect all components , as indicated in the circuit diagram. After finishing the construction, insert our breadboard power supply board into the breadboard. Do not power up the circuit ...