Reviving a Retro Mouse with BlueTooth low Energy support

One of the disadvantages to collecting retro peripherals is that they’re not necessarily easy to use anymore. [eSPee77] changes that by retrofitting a Genius GM-6000 mouse with modern hardware , all while preserving the feel. To make this mouse without compromising on the feel of the original, means replacing the PCB with a new one while retaining the same buttons and encoders.