As you might have noticed, the 38-KHz pulse generator is built around the evergreen timer chip NE555P (IC1). Here, the RC components (R5-C3-P1) set the astable frequency to drive the infrared light ...
I have recently purchased a new 65in 4K LED TV and connected it to my existing home theater system. I have all components in a closet and am using a Xantec 789-44 IR receiver. There are 4 ports and I ...