The embodiment of the invention relates to the technical field of semiconductors and provides a digital microfluidic
control system and a liquid droplet driving method. The method comprises the following steps: acquiring
control parameters of a digital microfluidic control
chip and outputting into a
microcontroller by a host computer on the basis of a user operation edition
electrification sequence, converting the
control parameters into a level
signal and transmitting to a
relay module to open a control end of the
relay module by the
microcontroller, correspondingly closing a controlled end after the control end of the
relay module is opened, enabling a power supply driving module, the controlled end of the relay module and the microfluidic control
chip to form an electric circuit, and supplying a driving
voltage to the microfluidic control
chip to drive liquid droplets to move by the power supply driving module. Movement of the liquid droplets correspond to uniform shaking and mixingoperation on artificially synthesized
DNA (Deoxyribonucleic Acid), the uniform shaking times are set up by a user through the digital microfluidic
control system, then automatic execution of
DNA synthesis can be achieved, and the
system is low in labor cost and high in synthesis efficiency.