This section is under construction.

TM1637

Connecting TM1637 4x7 Segment Display to Arduino
http://tronixstuff.com/2014/12/01/tutorial-using-ds1307-and-ds3231-real-time-clock-modules-with-arduino/

DS3231

Setting Time for first usage



DS3231 RTC Clock Using Non-Rechargeable Batteries
http://www.raspberrypi-spy.co.uk/2015/05/adding-a-ds3231-real-time-clock-to-the-raspberry-pi/
http://woodsgood.ca/projects/2014/10/21/the-right-rtc-battery/
DS3231 RTC Clock with Display
http://www.instructables.com/id/Real-time-clock-using-DS3231-EASY/step3/The-code/
Library
http://www.rinkydinkelectronics.com/library.php?id=73

HC-SR04

HC-SR04 UltraSonic Distance Sensor with TM1637 Display
https://codebender.cc/sketch:212841#Distance%20Sensor%20TM1637.ino

Misc

Versatile Kitchen Timer


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