If you’ve got an Arduino, a few passive components, and a SSD1306 OLED, then [mircemk] might have ... the two displays don’t have conflicting I2C addresses, he decided to simply duplicate ...

It’s inexpensive, accurate and reliable and has a wide temperature range. This article shows how to use an Arduino Uno/Nano microcontroller with an OLED display module for reading a Type K ...

The combination of a transparent OLED display, Arduino Nano Every microcontroller, HC-05 Bluetooth module, and a small LiPo battery results in a functional and versatile piece of wearable technology.