The project book, written by renowned Elektor author Dogan Ibrahim, is an introduction to the Raspberry Pi Pico Experimenting Kit. The kit is based on the Raspberry Pi Pico processor and includes various built-in and external sensors and an actuator. The kit is programmed using the MicroPython programming language. The Thonny development environment (IDE) is used in all projects in the book. All projects in the book are fully tested and working. No prior programming or electronics experience is required to follow the projects. The fully reviewed projects in the book include all the included components. Each project includes a block diagram, a circuit diagram, a complete program listing, and a full program description. PCB-based projects Blinking an on-board LED SOS blinking Blinking LED - using a timer Alternatively blinking LEDs Pushbutton control Changing the LED blinking speed using pushbutton interrupts Binary counting LEDs Randomly blinking yellow, green, and blue LEDs Chasing LEDs Reaction timer Buttons and LEDs The TFT screen Second counter Event counter Reaction timer LED and button status display Temperature and humidity - displayed in the Thonny window Temperature and humidity - LED output Temperature and humidity - displayed on the TFT ON/OFF temperature control ON/OFF temperature control - setting the desired temperature Voltmeter Changing the LED brightness Ultrasonic distance measurement - displayed in the Thonny window Ultrasonic distance measurement - displayed on the TFT Height of a person (stadiometer) Ultrasonic reverse parking assist with buzzer Ultrasonic