Overview Meet the HiLetgo CN3791 Solar Charge Controller Board, a compact MPPT charger designed to transfer energy from a solar source into a single LiPo cell. Built for DIY projects, education, and hobby electronics, this module blends practical power management with straightforward wiring for...

Overview The HiLetgo LM393 soil moisture sensor kit provides a compact, easy-to-use solution for sensing moisture in soil. Designed to run on a wide voltage range (3.3V–5V), these modules fit a broad family of microcontrollers, from beginner Arduino projects to more advanced hobby setups....