Testing STM32 Hardware I2C Functionality

Testing STM32 Hardware I2C Functionality

There has been a rumor circulating: The hardware I2C design of STM32 has a bug, and it is better not to use it; using software I2C is more reliable.
For a long time, to avoid unnecessary trouble, I have not used hardware I2C, mainly because software I2C is also quite convenient, and can be used on almost any port.
Recently, I designed a board that happened to use I2C, so I decided to test whether the

Using OLED Screen with Arduino Uno (Basics)

Using OLED Screen with Arduino Uno (Basics)

Experiment Effect

A simple demonstration of how to light up the OLED screen with Arduino Uno and display some simple English or characters.

Note! This example uses an OLED screen with an SSD1306 chip, please confirm whether the OLED screen you have uses the same model chip.

Component Description

Using OLED Screen with Arduino Uno (Basics)

The OLED display does not require a backlight, thus it can achieve very good contrast in dark environments. Additionally,

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