Category Archives: how-to

DIY synth building, part 2

in how-to by DP | 0 comments

Here’s a video tutorial on making a sequencer circuits from Casper Electronics: Learn how to make a variety of musical pattern sequencers using a few common electrical components and a breadboard. See the part 1 video on building oscillators here.

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Using “Ultracapacitors” as a power conditioner and ballast for transient high-power loads (or “How to run your HF rig from D-cells” – sort of…)

in how-to by DP | 0 comments

KA7OEI writes: An advantage of Lead-Acid, NiCd, Lithium Ion and some NiMH cell types is that they have quite low internal resistance compared Alkaline cells: Even an aging lead acid battery that is near the end of its useful life … Read more