Arduino Nano 3.0 (ATmega328). Real Time Clock DS3231RTC. 32x8 LED Dot Matrix Display Module (with MAX7219 chip). LDR sensor.

There were a couple short Arduino tips in the mailbox this morning. We’ve combined them in this post since both are fairly short and sweet. Over at Evil Mad Scientist Laboratories, they’ve posted a ...

The last two supports WS2812 RGB and SK6812 RGBW LEDs. The software of all clocks supports a Bluetooth connection to control the clock and as backup a rotary encoder, an accurate DS3231 RTC and a LDR ...