4-digit 7-segment Led Clock With Manual Adjust & Alarm, Thermometer & Higrometer Using Arduino

For RTC clock I use DS1307 homemade module, but works without changes with DS3231 module. For thermometer and higrometer it use DHT11 sensor, but with a small change in sketch can be use DHT22 (AM2302) sensor.I use led display named LFD080AAG-103-01 (4-digit 7-segment common cathode).”Brain” is Ardu…By: niq_ro // Read more: original article.