The HM-10 offers only edge connections, so it usually comes mounted on a breakout board that extends requisite connections to breadboard-friendly male-header pins (which is how mine came from eBay).

So, I had set up my kitchen spotlights with a bunch of Hue bulbs. As much as I use the smart capabilities of them, I also wanted to be able to control them with a physical wall switch. Instead of ...

You may have seen the Ruideng range of programmable power supply modules from China: small and relatively inexpensive switch-mode buck converters, with microprocessor control and a front panel ...

While designing an internet of things (IoT) project that also required a long radio-frequency link, it occurred to me that there are pre-wired modules already built to do that. In fact, not only do ...