Posted in Arduino Hacks, clock hacks Tagged arduino nano, binary clock, dial-up music, driftwood, DS3231 RTC, IR remote, mp3 player ...

Inside the boxy blue base is an Arduino Nano, a DS3231 real-time clock module, and a perfboard full of transistors for switching the LED strips inside the segments.

512KB SRAM and 16KB of RTC SRAM Dual-core CPU at 240 MHz clock speed USB-C programming port The Arduino Nano ESP32 is available to order today in the Arduino Store, starting at $18.

If you have ever wanted to build your very own binary Nixie Clock you may be interested to know that a kit is available with optional housing and Arduino board priced from $69. “All SMD ...