Inhaltsverzeichnis

• Raspberry Pi Pico W
• All rights reserved
• Contents
• Preface
• 1 • Raspberry Pi Pico W Hardware
• 1.1 Overview
• 1.2 The Pico hardware module
• 1.3 Comparison with the Arduino UNO
• 1.4 Operating conditions and powering the Pico
• 1.5 Pinout of the RP2040 microcontroller and Pico module
• 1.6 Other RP2040 microcontroller-based boards
• 2 • Raspberry Pi Pico W Programming
• 2.1 Overview
• 2.2 Installing MicroPython on Pico W
• 2.3 Using the Thonny text editor from the PC
• 2.4 Writing a program using Thonny
• 2.5 Software only MicroPython programs using the Raspberry Pi Pico W
• 3 • Raspberry Pi Pico W LED Projects
• 3.1 Overview
• 3.2 Project 1: External flashing LED
• 3.3 Project 2: Flashing SOS signal
• 3.4 Project 3: Flashing LED – using a timer
• 3.5 Project 4: Changing the LED flashing rate – using pushbutton interrupts
• 3.6 Project 5: Randomly flashing red, green, and blue LEDs – RGB
• 3.7 Project 6: Binary counting LEDs
• 3.8 Project 7: Lucky day of the week
• 3.9 Project 8: Electronic dice
• 3.10 Project 9: Binary counter – Using the 74HC595 shift register
• 3.11 Project 10: Chasing LEDs - Using the 74HC595 shift register
• 3.12 Project 11: Turning a selected LED ON - Using the 74HC595 shift register
• 3.13 Project 12: Randomly flashing LEDs – Using the 74HC595 shift register
• 3.14 Project 13: Traffic lights
• 3.15 Project 14: Simple logic probe
• 3.16 Project 15: Advanced logic probe
• 4 • Raspberry Pi Pico W Multi-Digit 7-Segment Display Projects
• 4.1 Overview
• 4.2 7-Segment LED Displays
• 4.3 Project 1: 4-digit 7-segment display seconds counter
• 4.4 Project 2: 4-digit 7-segment display conveyor belt goods counter
• 5 • Raspberry Pi Pico W LCD Projects
• 5.1 Overview
• 5.2 HD44780 parallel LCD module
• 5.3 The I2C Bus
• 5.4 pins of the Raspberry Pi Pico W
• 5.5 Project 1: Parallel LCD – displaying text
• 5.6 Project 2: Reaction-timer with parallel LCD
• 5.7 Project 3: Voltmeter with parallel LCD
• 5.8 Project 4: Temperature measurement – using the internal temperaturesensor – with parallel LCD
• 5.9 Project 5: Temperature measurement – using an external temperaturesensor and with parallel LCD
• 5.10 Project 6: ON/OFF temperature controller with parallel LCD
• 5.11 Project 7: Measuring the ambient light intensity – using parallel LCD
• 5.12 Project 8: Ohmmeter – using parallel LCD
• 5.13 The I2C LCD
• 5.14 Project 9: I2C LCD seconds counter
• 5.15 Project 10: Internal and external temperature – using LCD
• 5.16 Project 11: Using a thermistor to measure temperature – using an I2C LCD
• 5.17 Project 12: Ultrasonic distance measurement – using an I2C LCD
• 5.18 Project 13: Measuring the depth of a river
• 5.19 Project 14: Ultrasonic reverse parking aid with buzzer
• 5.20 Project 15: Displaying custom characters on the LCD
• 5.21 Project 16: LCD dice
• 5.22 Project 17: Using a real-time clock (RTC) module – setting/displayingdate and time
• 5.23 Project 18: Saving the temperature with time stamping
• 5.24 Project 19: GPS – Displaying the geographical coordinates on LCD
• 6 • Pulse Width Modulation (PWM)
• 6.1 Overview
• 6.2 Basic theory of the pulse width modulation
• 6.3 PWM channels of the Raspberry Pi Pico W
• 6.4 Project 1: Generate 1000 Hz PWM waveform with 50% duty cycle
• 6.5 Project 2: Changing the brightness of an LED
• 6.6 Project 3: Electronic candle
• 6.7 Project 4: Varying the speed of a brushed DC motor
• 6.8 Project 5: Frequency generator with LCD and potentiometer
• 6.9 Project 6: Measuring the frequency and duty cycle of a PWM waveform
• 6.10 Project 7: Melody maker
• 7 • TFT Displays
• 7.1 Overview
• 7.2 TFT display used
• 7.3 Connecting the TFT display to Raspberry Pi Pico W
• 7.4 ST7735 TFT display driver library
• 7.5 Project 1: Seconds counter
• 7.6 Project 2: Reaction timer
• 7.7 Project 3: Temperature and humidity – Display on TFT
• 7.8 Project 4: Minimum/maximum temperature and humidity – Display on TFT
• 7.9 Project 5: ON/OFF temperature control – Setting the desired temperature using buttons and the TFT display
• 7.10 Project 6: ON/OFF temperature control – Setting the desired temperature using rotary encoder and the TFT display
• 7.11 Project 7: TFT bitmap display
• 7.12 Project 8: Using a 4×4 keypad
• 7.13 Project 9: Elementary multiplication – using 4×4 keypad and TFT
• 7.14 Project 10: Calculator - using 4×4 keypad and TFT
• 7.15 Project 11: HiLo game - using 4×4 keypad and TFT
• 8 • I2C Bus Projects
• 8.1 Overview
• 8.2 The I2C Bus
• 8.3 I2C pins of the Raspberry Pi Pico W
• 8.4 Project 1: I2C port expander
• 8.5 Project 2: TMP102 temperature sensor with LCD
• 9 • OLED Displays
• 9.1 Overview
• 9.2 Installing the SSD1306 driver software
• 9.3 Hardware interface
• 9.4 Displaying text on OLED
• 9.5 Displaying common shapes
• 9.6 Other useful functions
• 9.7 Project 1: Seconds counter
• 9.8 Project 2: Drawing bitmaps
• 9.9 Project 3: DS18B20 OLED-based digital thermometer
• 9.10 Project 4: Heart rate (pulse) measurement
• 10 • Using Bluetooth with the Raspberry Pi Pico W
• 10.1 Overview
• 10.2 Raspberry Pi Pico W Bluetooth interface
• 10.3 Project 1: Controlling three LEDs from a smartphone using Bluetooth
• 10.4 Project 2: Sending the Raspberry Pi Pico W internal temperature to a smartphone
• 11 • Using Wi-Fi with the Raspberry Pi Pico W
• 11.1 Overview
• 11.2 Connecting to a wireless network
• 11.3 Project 1: Scan the local network
• 11.4 Using the Socket library
• 11.5 Project 2: Controlling an LED from a smartphone using Wi-Fi –UDP communication
• 11.6 Project 3: Displaying the internal temperature on a smartphone using Wi-Fi
• 11.7 Project 4: Remote control from an Internet browser (using a smartphone or PC) - Web Server
• 11.8 Project 5: Storing ambient temperature and atmospheric pressure data on the Cloud
• 12 • RFID Projects
• 12.1 Overview
• 12.2 RC522 RFID reader pins
• 12.3 Interfacing RC522 RFID reader module to Raspberry Pi Pico W
• 12.4 Project 1: Finding the Tag ID
• 12.5 Project 2: RFID door lock access with relay
• 12.6 Project 3: Multi-tag RFID access system with LCD
• Index