Blog Posts

  • Finally, some holiday lights

    After three years of procrastination, I finally installed holiday lights on my house – really, winter lights since I’d like to keep them lit through the dark gloomy days to bring a little extra cheer to the neighborhood. The idea was to have a strip of LEDs along the eaves of my house, outlining the roofline with a  programmable strip of lights that could be Christmas themed, New Years, or whatever cool… [Read more]

  • DIY battery backup – now online (part 2)

    My DIY battery backup solution for my house is now online! Here’s an overview of the completed system. (For the full story, start with the linked blog post.) The Generac transfer switch is at the top (1), wired into my electrical panel which is out of view on the right. The 12V power supply, with a battery backup (2), is below the transfer switch. It’s powered by either utility or backup power,… [Read more]

  • DIY battery backup with an automatic load switch (part 1)

    Updated 2024-06-23. This is a project to automatically power my house with my pair of Ecoflow Delta Pro batteries during a utility outage, which we regularly get here in my part of California. IMPORTANT DISCLAIMER: I am not an electrician. Electricity can be dangerous and can kill you or burn your house down. The information here is presented with NO WARRANTY and you should consult a qualified expert before trying to do… [Read more]