Newsletter Archive

Here you'll find an archive of emails that I've sent out to my newsletter. In case you accidentally deleted an email, you can always go here to find it later.

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Did you build the blinking light?

I cannot count how many times I’ve connected my battery to a freshly built circuit and… …nothing. In the last email I sent last week, my goal was to convince you to try and build the blinking light circuit. Here are the build instructions: So, did you do it?

Why does the battery voltage change?

Today I got a question from Garry on the Ohmify community. [GARRY]: “When I measure the voltage of my 9V battery using my multimeter I get a reading of 9.06 when it is not connected to any circuit. When I hook the battery up to a simple circuit (i.e. 325 Ohm resistor in series with […]