This circuit emulates the functionality of the classic 555-Timer IC. It was designed using open-source tools and was taped-out in the Skywater 130nm CMOS process through TinyTapeout on April 19th 2024 ...
Upon initial power on of the timer, a lower case 'm' will display in the left 2 digits of the display. At this point there are three valid inputs from the remote control (press '1', '2', or '3'), then ...