Volatile RAM. Thinking DS1307 without battery.

Author	Message
Volhout Guru Joined: 05/03/2018 Location: Netherlands Posts: 4723	Posted: 07:43pm 21 Jan 2025       Hi Phenix, Any R/W device that is connected could be used (when not reset by the driver). In example an LCD display that can be read (MISO/MOSI) as long as you do not clear the screen at start of your program, but first read it. Make a pixel red, and read it back. Volhout