An Introduction to Lithium-ion Battery Charging

Batteries have become one of the most important devices in modern society with the rise in demand for portable devices,  smartphones becoming ubiquitous, and even cars shifting towards battery technology. Batteries are also very important in satellites, storing energy to power the system when solar energy is not available.Re-chargeable batteries can be charged by...

How To Make a Simple Sun Sensor

1.Introduction Sun sensor is commonly used on spacecraft to current position of sun and light strength. Current technical sun sensor is mainly divided into analog and digital two different types while high accuracy corresponds to high production cost. Apart from space industry, sun sensor is also implemented to assist weather prediction, agriculture and even room...