Archive for the ‘Electronics’ Category

More fun with batteries:UPS upgrade

March 31, 2019Dan No Comments »

2018 was a bad year for Uninterruptible Power Supplies at my house – I’ve got several old models that I’ve been nursing along with batteries sourced, free of cost, from various places. I finally ran out of free batteries, and am hesitant to buy more OEM SLA batteries to replace them. Lead acid batteries are […]

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Mining for milliwatts

March 15, 2019Dan No Comments »

Those who know me well, know that I like to tinker with electronics projects. And tend to have a lot of projects going at any given time. Lately, I’ve been playing with lithium ion batteries. I’ve always enjoyed playing with batteries, using them to power remote control toys, or small electricity projects when I was […]

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