In this thesis work the development of the low-level firmware and Base line software of a VMU for the purpose of transforming a diesel fiat panda car into an electric car is presented. One of the main activities performed by brain technologies right before thinking about how we want to develop our VMU was actually choosing the VMU to be developed and installed into the car, the board chosen is the 32S. The main activity was studying the architecture of the tasks in order to perform the developing. The developing was performed in C programming language. Here are the tasks developed in this thesis work: 1.?? Pedals management 2.??Checking The power socket and based on it Activation of High and Low voltage.