Now for the minutiae: there’s an Arduino Uno with built-in Wi-Fi that receives UDP commands from a phone to raise and lower the clock at the appropriate times.

The Arduino Uno WiFi Rev 2 will be available for purchase from the Arduino Store at the end of June, with the MKR Vidor 4000 to come later in 2018. Pricing information was not provided.

Using Arduino Nano 33 IoT or Particle Photon you can connect the clock via wifi to the NTP time server or cloud to synchronize time.

Makers looking for a project to keep them busy this weekend may be interested in a simplified version of the Domino Wall Clock created by the Carbon Design Group. Instructables member Kothe has ...