Formatted output
Generating formatted output with sprintf(), snprintf() and dtostrf() is convenient and simple. I will explain the various options as well as the pitfalls.
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Serial and SoftwareSerial
In this article, you will learn how Serial and SoftwareSerial work, which functions are available to you and how to use them.
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Interrupts – Part 3: Timer Interrupts
The programming of timer interrupts is hardware-specific. I show in detail how it works on the ATmega328P, ATtiny85, ESP8266 and ESP32.
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Interrupts – Part 2: Pin Change Interrupts
Part 2 of my series about interrupts deals with pin change interrupts. These are specific for AVR based Arduino and MiniEVB boards.
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Interrupts – Part 1: External interrupts
Interrupts can be used to solve many challenges in microcontroller programming. However, there are also some stumbling blocks. This first part is about external interrupts.
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The MOSFET as Switch
I show how to use a MOSFET as a switch and which parameters are relevant for the selection of the right MOSFET.
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EEPROM Part 1 – AVR internal EEPROMs
AVR microcontrollers have an EEPROM in which you can store data permanently. I show you how to write to and read from it.
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Voltage regulation – linear and switching regulators
Many projects require a defined voltage level. I’ll show you how you can use linear and switching regulators and how they work.
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I2C scanner
An I2C scanner sketch is introduced. This allows to determine I2C addresses or to check non-functioning circuits with I2C component.
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