In this article you will learn how to make a digital clock using Arduino and the DS1307 RTC IC. What is DS1307 IC actually ... Arduino pin A4; SCL – Arduino pin A5; ... But the arduino start the code ...

The Code /* Handheld Digital Thermometer v1.0 Little thermometer with MAX6675 and OLED uC: Arduino Uno R3/NanoV3 Display: 128x64 I2C 0.96" OLED with SSD1306 Thermocouple: K-Type with MAX6675 An ...

We have feature quite a few cool clocks here at Geeky Gadgets, the latest one is the work of Andrew O'Malley, the DOTKLOK, which is an open source Arduino digital clock.