Arduino: LED and Digital GPIO
Build the embedded-systems Hello World and understand safe GPIO current.
Structured lessons, quizzes and saved progress.
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Build the embedded-systems Hello World and understand safe GPIO current.
Read an analogue sensor, convert the ADC value and inspect it over Serial.
Connect securely to Wi-Fi and control an output from a local web page.
Use hardware PWM safely for dimming and motor-speed control.
Configure PIC data-direction and output registers in embedded C.
Create periodic events without blocking the main program.
Control ATmega pins directly without the Arduino framework.
Understand the classic 8051 port model using embedded C.
Start RP2040 development with MicroPython and a simple output loop.
Wire, scan and troubleshoot common I²C sensors with pull-up resistors.
Diagnose baud-rate, voltage-level and framing problems systematically.
Plan a complete sensor node with requirements, power budget, enclosure, testing and documentation.