The Smell of Molten Projects in the Morning

Ed Nisley's Blog: Shop notes, electronics, firmware, machinery, 3D printing, laser cuttery, and curiosities. Contents: 100% human thinking, 0% AI slop.

The New Hotness

  • Alpha Geek Clock: New Battery

    After the CR123A lithium cell in the Alpha Geek Clock gave out:

    Packaged Alpha-Geek Clock
    Packaged Alpha-Geek Clock

    I duct-taped a pair of D cells onto the case and returned it to the bedroom shelf. According to the date scrawled on the tape, that was five years ago: 26 November 2010.

    Over the last few months, the LED gradually faded from a blink to a steady glow as the battery voltage dropped below 2 V and the WWVB receiver output no longer reached the MOSFET’s threshold.

    We’ll see how long these last:

    Alpha Geek Clock - new batteries
    Alpha Geek Clock – new batteries

    Yeah, I should probably do something involving 3D printing…