Before I invest in Arduindo I would like to determine what I need. I have a intrusion alarm system that provides both HI and LOW logic outputs. What I want to do is capture the date and time of the intrusion(s) and save to a SD card. The Arduindo will not be connected to my PC while in operation. I …

TimeStamping an outside event

Topic		Replies	Views
SD Card Read/Write Not working on external power supply Programming	21	253	July 11, 2025
Overview of a New Project General Guidance	17	258	December 24, 2025
RTC update time General Guidance	32	400	September 13, 2025
Neuanfang aber wie Deutsch	16	186	October 20, 2025
Time stamp and record serail data Storage	3	524	May 4, 2023