The whole clock uses 16 individual ... To communicate with each LCD via I2C, two TCA9548A I2C multiplexers are connected to an Arduino, along with an RTC to keep track of the time and date ...

There are plenty of cheap projection clocks available ... it runs from an Arduino compatible STM32 that could handle many things other than showing the time if you were inclined to expand the ...

Electronics designer Patrick Thomas Mitchell has returned once again to Kickstarter to launch his new Raspberry Pi and Arduino programmable timer aptly named the Ninja Counter. The programmable ...