Quick Look: Makerfocus NodeMCU Board with 18650 Battery On-Board

Disclaimer: This post has affiliate (and direct) links to the reviewed product on Amazon. As fun as adding a voltage booster (for 5V projects) and/or voltage regulation and a charge circuit is to our designs, sometimes it's nice to just have everything done for us. We're big fans of the ESPxxxx/NodeMCU ecosystem: they're cheap, they're… Continue reading Quick Look: Makerfocus NodeMCU Board with 18650 Battery On-Board

Build: Arduino Tachometer (Reflective Style)

Disclosure: This post contains affiliate (and direct) links to some parts off Amazon for making a (relatively) hand-held device as well as the commercial product we replaced. In the first book of the Maker's End Inspiration Series, Arduino Inspiration, we're controlling some computer fans to make a pleasant desk fan. To get some data on… Continue reading Build: Arduino Tachometer (Reflective Style)

Review and Build: Pimoroni Keybow, a blinky auxiliary keyboard

We love our keyboards, from mechanical to split to Apple Magic. We also love our shortcuts, and even with a zillion macro programs, we still sometimes "need" dedicated keys for our most-used apps and application shortcuts (here's looking at you, every CAD program ever). We're purchased a multitude of commercial keyboard "extensions" over the years,… Continue reading Review and Build: Pimoroni Keybow, a blinky auxiliary keyboard