// 3. Combined Serial.print("Full Stamp: "); Serial.print(myRTC.getDateStr()); Serial.print(" "); Serial.println(myRTC.getTimeStr());
This means the library is not installed in your Arduino IDE. Because it is a legacy public domain library, it is not always found in the official library manager. You must download the ZIP folder from a trusted repository like GitHub's ArduinoRTClibrary and click Sketch > Include Library > Add .ZIP Library in the IDE. virtuabotixrtc.h arduino library
Wiring issue or poor connection on CLK, DAT, or RST lines. Fix: Check all jumper wires. Use shorter wires. Add 10k pull-up resistors on DAT and CLK if the wires are long. // 3. Combined Serial.print("Full Stamp: ")
Handles seconds, minutes, hours, day of the week, day of the month, month, and year. day of the week