HDMI switch with Image text to HDMI - Electrical Engineering Digital Electronics
A simple HDMI switch circuit with switched output that functions as follows: Mode of operation 1) HDMI / A/V Pass-thru Video: HDMI comes in from off board and is passed through to HDMI out. Audio: HDMI Audio, digital optical, digital or Stereo is passed through to HDMI out/Digital optical or Digital Mode of operation 2) HDMI image text output Video: HDMI out is now sourced by onboard chip that outputs a single image (image to be text if that matters). Low rez is okay. Audio: Either no change and continue to pass through or zero audio output. Either is fine and whatever is least expensive/easiest to implement. Controller inputs: 1) i2C/SPI bus for programming the image chip (depends on chip used) 2) simple hi/lo signal to switch the mode of operation (simple CMOS/TTL signal?) ------------------------------------------ Added 27 JUL 2012, 15:12 PM EDT There are now additional components to be added... I apologize for the lack of details at this time. We will be reposting. Thanks for your interest so far! Desired Skills: Electrical Engineering Digital Electronics Keywords: Electrical
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