In this article a new easy-to-implement 4 dimensional chaotic system was developed and its dynamic attitudes were analyzed. Following this, analogue circuit implementation of this system was done both in Pspice simulation and real circuit components. Finally, a micro controller based random number generator in which the new chaotic system was used and also which passed all NIST randomness tests was designed. Furthermore, a user interface, designed with the help of MATLAB GUI, that helps with computer-check of the designed random number generator was presented. (C) 2016 Elsevier GmbH. All rights reserved.