BLINKENLIGHTS-2U

NOTE an RP2040 version of the same project is now available with the CPU pre-installed at JLPCB, for those who want to use a modern microcontroller. The new design also fixes the LED numbering silk-screen so they are reversed. BLINKENLIGHTS-RP2040 (An updated design using the Raspberry Pi RP2040 microcontroller) - OSHWLab

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Just a replacement 2U 19" rack front panel with blinking lights (add some decoration to your boring server rack) C Code attached for PIC16F178x but should be easy to convert to another microprocessor total cost (Dec 2024) was US$119 for 5 panels built and delivered to NZ as a rough estimate. Note I did a minor change to the PCB to move the components away from the edges, everything should be good though, but we're all big boys here so do check.