Description:1. This is a simple water sensor can be used to detect soil moisture when the soil moisture deficit module outputs a high level, and vice versa output low. Use this sensor produced an automatic plant waterer device, so that the plants in your garden without people to manage.2. Sensitivit..
CM20K controller is a kind of intelligent, multi-purpose solar charge and discharge controller. Fixed LCD display with a very friendly interface is used in this product; various control parameters can be flexibly set, fully meet your various application requirements. Functions: 1.Buil..