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embedded-systems

Explaining how setup() and loop() run, and the main() the Arduino core supplies

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Taught in

Requires

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Local knowledge map

Local knowledge map

Configuring UART: baud, start and stop bits, 8N1, and voltag… Producing PWM from firmware: analogWrite on the Uno R4 and the… Reading a button on a digital input with the internal pull-up,… Timing with millis() and rollover-safe unsigned subtraction Driving a GPIO pin as a digital output within its current… Explaining why delay() makes a sketch miss inputs Printing values and timestamps over Serial to see what firmware… Explaining how setup() and loop() run, and the main() the Arduin… Sizing an LED's series resistor from supply, forward voltage, and… Splitting firmware into .h/.cpp modules with clear interfaces Using the serial monitor and plotter: baud rate, line… Using zero-based arrays safely, and telling local, global… Working through a decision tree when compiling or uploadin… Compiling a sketch for a chosen board and uploading it over USB Writing and calling C++ functions with parameters and return… Declaring variables and constants of the basic C++ types

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Solid arrows are required prerequisites; dashed are recommended or helpful. Lower rows are more foundational. Click any box to jump to that concept.