Keeping track of time is essential, even for microcontrollers, which is why a real-time clock (RTC) peripheral is a common ...

You can buy all kinds of conventional clocks that have hands and numbers for easy reading. Or, like [Fabio Ricci], you could build yourself something a little more esoteric, like this neat shadow ...

Have you been fed up with Black/White LCD screen? Do you want to try a colorful one? DFRobot I2C 16x2 Arduino LCD with RGB Backlight Display module will bring you a new experience about screen. It ...

With this project you can measure a frequency from less than 1 Hz to about 6.4 MHz, with atomic clock accuracy (fclk_I_O / 2.5 according to the datasheet, which is 16 MHz / 2.5 = 6.4 MHz, but 7.5 MHz ...