LVDS Controller Box

myminifactory

LVDS Controller Box This box is approximately 192mm wide, so a larger 3D printer is necessary to create it. PLEASE NOTE Cables to VDU MONITOR and Backlight in VDU MONITOR will require extension using these boxes. Design allows the Backlight control PCB to be fitted, may still need some tweaking. Files include: Main_Box_LVDS_Controller_Box__Backlight.stl Back_Plate_LVDS_Controller_Box__Backlight.stl Seven_Buttons_LVDS_Controller_Box__Backlight.stl I have added stand-offs for small speakers, these speakers do not fit flush against the inside surface. The speakers made other changes to Back light standoff so the speakers should fit well now. A YouTube playlist related to this can be found at https://www.youtube.com/playlist?list=PLUqt0sTiXUDe-o4b8O-j9MhNI2uV1qTq1 Low-voltage differential signaling, also known as TIA/EIA-644, is a differential signaling system that transmits information as the difference between the voltages on a pair of wires. The two wire voltages are compared at the receiver to determine the digital logic level. In a typical implementation, the transmitter injects a constant current of 3.5 mA into the wires, with the direction of current determining the digital logic level. The current passes through a termination resistor of about 100 to 120 ohms at the receiving end, and then returns in the opposite direction via the other wire. From Ohm's law, the voltage difference across the resistor is approximately 350 mV. The receiver senses the polarity of this voltage to determine the logic level. As long as there is tight electric- and magnetic-field coupling between the two wires, LVDS reduces the generation of electromagnetic noise. This noise reduction is due to the equal and opposite current flow in the two wires creating equal and opposite electromagnetic fields that tend to cancel each other. In addition, the tightly coupled transmission wires will reduce susceptibility to electromagnetic noise interference because the noise will equally affect each wire and appear as a common-mode noise. The LVDS receiver is unaffected by common mode noise because it senses the differential voltage, which is not affected by common mode voltage changes. More information on LVDS can be found at https://en.wikipedia.org/wiki/Low-voltage_differential_signaling This design is a remix of LCD controller case V29, V59 available at http://www.thingiverse.com/thing:1166506 Low voltage differential signaling