. . . Algunas de mis válvulas. . . Some of my tubes. . . #electronics #technol…

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🇪🇸 Algunas de mis válvulas.
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🇺🇸 Some of my tubes.
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#electronics #technology #instagood #tech #oldelectronics #photooftheday #electronic #device #arduino #diyelectronics #geek #techy #diy #valvula #3dprint #robotics #techie #instatech #adafruit #retro #nerd #3dprinting #gadget #computers #raspberrypi #sylvania #homemade #tube #arduinoproject #3d

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