There’s his DIY LED display controlled by an Arduino UNO. To have some text or picture ... Let’s start with the LED matrix display, perhaps the best excuse for trying your hand at shift ...

a 16×8 LED Matrix display driven by a TLC5920 LED driver, with an Arduino that uses a DS1307 RTC (real-time clock) with a coin cell battery to keep track of time when not powered through USB.

An Automatic Plant watering system is a device (or setup) that uses sensors to monitor the soil moisture and if the moisture ...