H-TEC's Solar Module Tutorial with magnetic holder allows three different inclination angles.  ..

H-TEC's Solar Module Tutorial Double, A118 is a 4V 1.5 Watt Solar Panel that can be connected to an ..

H-TEC's Variable Resistance Device (A186) allows you to adjust the current in your circuit by alteri..

Explore the power of microbes with the MudWatt™ Microbial Fuel Cell (MFC) Classic Kit. Simply fill ..