MCP23x1y Port Expander
I compare the members of the MCP23x1y family: MCP23016, MCP23017, MCP23S17, MCP23018, MCP23S18 and show how to control them.
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EEPROM Part 2 – external I2C EEPROMs
I show how you can use I2C controlled EEPROM ICs with your microcontroller. This works very comfortably with a library, but it can also be done without it.
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Programming the ESP32 with Arduino Code
I introduce the ESP32 and its main features. In particular, I will discuss the differences to the Arduino (AVR) boards.
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