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).

Hoymiles is unveiling its 4-in-1 microinverter, the HM-1200, which is the first designed with reactive power control for 4 solar panels. It still offers the same features as Hoymiles former released ...