RTC with Arduino - Low Cost MCP7940N

Explore the MCP7940N Real Time Clock (RTC) and its integration with Arduino in this comprehensive 35-minute video tutorial. Learn how to add low-cost timekeeping capabilities to your projects using this versatile component. Discover the connections, time-setting process, register map, and internal oscillator of the MCP7940N. Follow along with a detailed code walkthrough, including explanations of the loop and data format. Access additional resources such as datasheets, purchase links, and complementary Arduino boards. Gain insights into future applications, including using alarm outputs for low-power sleep states and accuracy testing. Find all necessary code and documentation links in the video description for hands-on implementation.

Intro
Demo
Connections
Setting Time
Register Map
Internal Oscillator
Code
Loop
Data Format