In this module, we will focus on our premium projects, including Infrared (IR) security alarm, Joule thief and Temperature sensor.

This lesson will help us understand charge, moving electrons, lightning, current, alternating current and direct current electricity, DC battery, electric potential energy, significance of potential difference, creating potential difference using DC batteries among others.

In this unit we will also learn how to measure voltage using a multimeter, besides creating a lemon battery and measuring its voltage.