This is a simple countdown timer project built using an Arduino Nano, I²C 16x2 LCD, push buttons, and an active buzzer.

How the platform helps streamline the design process. The custom options offered.

Unexpected Maker's SQUiXL is a battery-powered ESP32-S3 WiFi and Bluetooth IoT controller and development platform with a ...

Addressing this, the YouTube channel Easy Home Made Projects has developed a DIY automatic labeling machine using an Arduino Nano, a smart solution to speed up labeling on cylindrical bottles. The ...

4 and 19 pins are used to adjust the display contrast through a resistor. I use a 1 Mega Ohm variable resistor. Acceptable contrast ~270kOm.