Artificial satellites have revolutionized human civilization to get closer and know happenings around the world instantly. They communicate with the control station with details collected with the designated purposeful devices configured or installed or mounted as payloads. This article informs details on the construction of a nano satellite or CubeSat. Embedded technology has developed as a field where a standalone devise can be fabricated in a very small area/volume including its firmware. Embedded technology has invaded into every useful area of applications. Generally, the launched CubeSats have limited mission with limited objectives like, technology demonstration, amateur radio, earthquake detection, biological research technology demonstration, gamma ray detector, measuring the effect of antifungal counter measures on yeast strains in microgravity, ionospheric research, radiation effects on bipolar-transistor-based circuits, earth imaging and space environment measuring, deployable membrane technology demonstration, infrared camera imaging, orbital debris and small asteroids monitoring, demonstrating increased orbital energy with controlled solar sailing in Earth orbit, monitoring Green house gases, and much more. Modules made using embedded technology for specific and creative solutions can be payloads in CubeSats. Colleges and students have the possibility to launch their own satellites, as their own experiments – testing technologies and helping humanities.