By 2010, the writing was on the wall: VGA would be replaced with DisplayPort or HDMI, or another cable designed for digital signals needed by today’s LCDs, and not analog signals used by ...

Although the PSoC has some analog capability, [MiguelVP] uses a cheap R2R DAC and VGA connector to interface to the VGA monitor. You can get the same PSoC board the project uses for about $10.

(D-SUBminiature connectors) A family of plugs and sockets widely used in communications and on earlier PCs. For example, the analog VGA monitor interface uses a D-sub 15-pin plug and socket.

In addition, the common high-density DB-15 socket on a monitor is analog (see VGA). In the illustration below, BNC connectors have also been used for digital signals. Contrast with digital input.