Got Impedance

Roger Eslick, K4RW, passed along this link to a collection of online impedance calculators brought to you courtesy of Montaro Networks, Inc.

Meanwhile, the latest issue of the Make: Newsletter has a must-read article for any maker out there who is considering funding a project via Kickstarter (or something similar): “Six Things About Kickstarting Your Hardware Idea That Will Drive you Insane” by Marie Staver and Jeremy Fryer-Biggs.

Here is another plug for TAPR’s Digital Communications Conference (DCC) coming up the weekend of September 20-22 in Seattle. It looks like another great DCC and I am sorry I will miss it.

Press PCBs with a Waffle Iron

Mark Schoonover, KA6WKE, modified an old waffle iron with some sheet aluminum to create a PCB press to transfer toner to the copper-clad boards.

Read about it in the Make: Newsletter or visit KA6WKE’s website for the whole story.

Very Portable Power Supply

Make: Newsletter points to a YouTube video that shows how build a pocket-sized power supply, which you can take to the next ham radio flea market for testing any battery-powered gadgets to see if they work.

Surfin’: Finding the Good Stuff

This week, Surfin’ reveals where to find the websites and software that comprise “the good stuff.”

Surfin': Homebrewing Today

This week, Surfin' takes a look at some state-of-the-art homebrewing.