Hello everyone. Today, under the title "Oscilloscope Canvas," we will learn how to draw real-time moving graphs using an Arduino and an OLED display. Even if you are a programming beginner, you have ...

Inexpensive OLED displays with I2C interfaces abound, but there is a catch: they tend to be stuck on I2C address 0x3C. Some have a jumper or solder pads to select an alternate (usually 0x3D), but they ...

I’ve talked about HD44780 displays before – they’ve been a mainstay of microcontroller projects for literal decades. In the modern hobbyist world, there’s an elephant in the room – the sheer variety ...

Turn an ESP32-C3 SuperMini into a network health dashboard with Wi-Fi signal monitoring, DNS checks, and an OLED interface.