This is a device for use by rc hobbysts: it transforms a servo from proportional to integrative. For rc boats, it allows user not to change the functionality of the throttle stick, UP/DOWN in stead of proportional. The archive contains also the PCB files.
Source code of Radio Control Nikon Digital Camera Shutle. Using for Fly rc Aircraft with Nikon D40,D70,D80,D90 Models. It work with 1 free channels of RX on board of fly model.