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

  • Sonicare E5000 Toothbrush + Norelco T770 Beard Trimmer: Final Final Batteries

    Although replacing the Sonicare E5000 battery six years ago was supposed to be the last time I’d do that, the poor thing died leaving most of a year’s supply of brush heads in the drawer.

    Half a quartet of NiMH AA cells should keep it happy while using up that stash:

    Sonicare Toothbrush - NiMH AA cells installed
    Sonicare Toothbrush – NiMH AA cells installed

    The AA cells sit at a jaunty angle due to re-re-using the original contact tabs soldered into the PCB.

    I’m getting pretty good at taping the case closed:

    Sonicare Toothbrush - Kapton tape
    Sonicare Toothbrush – Kapton tape

    Although I have no pictures to prove it, the other half of the AA cell quartet restored youthful vigor to the Norelco T770 beard trimmer. Having interior pictures made finding and popping its case latches so much easier.

    If only I could change my batteries that easily …