Flashing LED On Air Sign
thingiverse
I used a readily available Thingiverse On Air sign from crimsonlion518 and a 9v battery holder from ahmetcemturan to build this dynamic On Air LED Flashing sign for Filament Friday. The design was finalized in Tinkercad and the electronics were constructed on a precision-cut CNC milled circuit board. A simple Astable Multivibrator circuit produces the alternating LED flashing without any microcontroller's assistance. More details can be found in my YouTube Video: https://youtu.be/ev_GN92xay4 Print Settings: Printer: Flashforge Dreamer Rafts: None Supports: None Resolution: 0.3mm Infill: 25% Notes: PLA Post-Printing: The electronic board was securely attached using double-sided foam tape. A switch was screwed into the top of the box, and the battery fit perfectly into its socket.
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