Volatile RAM. Thinking DS1307 without battery.

Author	Message
Frank N. Furter Guru Joined: 28/05/2012 Location: Germany Posts: 922	Posted: 07:38am 24 Jan 2025         Volhout said     Frank N. Furter said   @PhenixRising: Please don't forget to put a diode in front of the capacitor from Volhout's idea. Then the capacitor cannot be discharged externally. This is how I have implemented it in the past and it has always worked well... Frank There is a diode between Vbus and Vsys on the genuine pico board. Volhout Yes, but if there are other loads BEFORE the capacitor, they can drain the capacitor without an additional diode. Frank