Posts

Do you know who Paul Falstad is? If not, you really need to get to know him, or at least, his web site. He’s a Geocacher, a Java programmer, and a Math nerd. [Editor’s Note: I …

Cathode from Secret Geometry is, hands down, my favorite Terminal Emulator for OSX. It is, in my opinion, (near?) perfect emulation of classic computer terminals from the 1980s. …

Martin Rowe over at Test & Measurement World published an article quite some time ago (1994) that explains what it means when a DMM claims to have “½” digits in their display. …

A very little known feature of EAGLE is the ability to type commands instead of clicking an icon on the toolbar. This can come in handy when trying to perform multiple actions like …

The quick answer to “How do you reset millis()” is: You Don’t! And here’s why: if you did, it would potentially break most libraries and functions that rely on it. Generally the …

Short build-lapse video of building up the front panel “matrix” used in BinBoo. This isn’t a true LED matrix. Instead it combining all of the LEDs into a common Anode, since the …

How many times have you been part way through ordering parts for a project when you realize the distributor you are using, doesn’t have any of the part you need in stock? Or maybe …

Accurate RTC Shield with Kapton Stencil For the past couple of weeks I have been working with the DS3231 Maxim. This chip is a I2C based RTC with an integrated temperature …

While testing my Toaster Oven’s maximum temperature I learned a valuable lesson. Soldermask has a pretty limited lifetime when it is exposed to temperatures above 250C. Looks like …

How to use this simulator: Press the power button for the desired connections. For example, for USB-only, press the power button near the USB connector. Enter a voltage for the …