SimpleTronic | Printed Circuit Board Sponge Etching method @simpletronic1299 | Uploaded January 2017 | Updated October 2024, 3 hours ago.
Sponge method - Etch your Printed circuit board in less than 2 minutes with a very small quantity of Ferric Chloride.
I made this PCB using the Heatless Toner Transfer method:
youtu.be/HBIxvwZ_0og

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other projects:
* make a 10 year led flasher (on 1 AA cell): youtu.be/DOajZVz8n6o
* make a mini - oscilloscope: youtu.be/X0m3AFAmYw0
* make an electronic tic tac toe game: youtu.be/DVL3ryTkjgI

Music album: spoti.fi/2UzoWBO

Como grabar tu circuito impreso rapidamente con el metodo de la esponja.