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Contents Projects PicoVoiceVoice alienation and sound effects with the Raspberry Pi Pico Navigation with Vibration Feedback POV Display Pulse Width Modulation (PWM) with the Raspberry Pi Pico Wi-Fi with the Raspberry Pi Pico 'Hello World' from the Raspberry Pi Pico and RP2040A look at the Raspberry Pi Foundation’s first microcontroller Simple On-Off Temperature Controller with Raspberry Pi HAT Multitasking with the Raspberry PiShowcase: a traffic lights controller The Raspberry Pi Ruler GadgetFun with a time-of-flight sensor Raspberry Pi Buffer Board (Mk. 1)Never blow up the I/O again FM radio with RDSA top HAT project for the Raspberry Pi LoRa with the Raspberry Pi PicoFun with MicroPython! Tutorials Qt for the Raspberry Pi Raspberry Pi Pico Programmingwith MicroPython and Thonny Raspberry Pi Full StackRPi and RF24 at the heart of a sensor network Raspberry Pi Bash Command Cheat Sheet Community Java on the Raspberry PiAn interview with Frank Delporte Reviews Introducing the New Raspberry Pi Pico W, H, and WH Secure Boot Solution for Raspberry PiRetrofit security at a reasonable price Review: SmartPi – Smart Meter Extension for Raspberry Pi Review: The Enviro+ Raspberry Pi HATMeasuring environmental data with Raspberry Pi and the HAT Enviro+ Review: Meet the Raspberry Pi 4All new but still good? Raspberry Pi Gets a Fast 3.5' Touch DisplayMore power at no extra charge Book Launch: Raspberry Pi for Radio Amateurs

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A Fast-Lane Ride From Concept to Project The core of the book explains the use of the Raspberry Pi Zero 2 W running the Python programming language, always in simple terms and backed by many tested and working example projects. On part of the reader, familiarity with the Python programming language and some experience with one of the Raspberry Pi computers will prove helpful. Although previous electronics experience is not required, some knowledge of basic electronics is beneficial, especially when venturing out to modify the projects for your own applications. Over 30 tested and working hardware-based projects are given in the book, covering the use of Wi-Fi, communication with smartphones and with a Raspberry Pi Pico W computer. Additionally, there are Bluetooth projects including elementary communication with smartphones and with the popular Arduino Uno. Both Wi-Fi and Bluetooth are key features of the Raspberry Pi Zero 2 W. Some of the topics covered in the book are: Raspberry Pi OS installation on an SD card Python program creation and execution on the Raspberry Pi Zero 2 W Software-only examples of Python running on the Raspberry Pi Zero 2 W Hardware-based projects including LCD and Sense HAT interfacing UDP and TCP Wi-Fi based projects for smartphone communication UDP-based project for Raspberry Pi Pico W communication Flask-based webserver project Cloud storage of captured temperature, humidity, and pressure data TFT projects Node-RED projects Interfacing to Alexa MQTT projects Bluetooth-based projects for smartphone and Arduino Uno communications

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The Raspberry Pi 45 W USB-C Power Supply is an ideal choice for powering USB-C-compatible Raspberry Pi products. It is particularly suitable for Raspberry Pi 5 users looking to operate high-power peripherals such as hard drives and SSDs. Delivering up to 5.1 V/5 A, it supports USB PD (Power Delivery) negotiation, allowing the Raspberry Pi 5 to select the optimal power profile automatically. This capability enables the Raspberry Pi 5 to increase the USB current limit from the default 600 mA to 1.6 A, providing additional power for peripherals connected via its four USB-A ports. Thanks to its comprehensive range of built-in power profiles, the Raspberry Pi 45 W USB-C Power Supply is also an excellent option for powering third-party PD-compatible devices like smartphones, tablets, and laptops. Available profiles include 9.0 V/5.0 A, 12.0 V/3.75 A, 15.0 V/3.0 A, and 20.0 V/2.25 A, all delivering a maximum of 45 W. Specifications Input 100-240 V AC Output 5.1 V/5.0 A, 9.0 V/5.0 A, 12.0 V/3.75 A, 15.0 V/3.0 A, 20.0 V/2.25 A (Power Delivery) Connector USB-C Cable 1.5 m, 17AWG (white) Region EU Downloads Datasheet

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Raspberry Pi DAC+ (formerly known as IQaudio DAC+) is a high-performance audio HAT designed for any Raspberry Pi with a 40-pin GPIO header. Equipped with the Texas Instruments PCM5122 DAC, it delivers crystal-clear stereo analogue audio through a pair of phono (RCA) connectors. No external power is needed – the DAC+ connects directly to the Raspberry Pi’s GPIO header without requiring soldering or cables. Features Power LED Analogue audio out (0-2 V RMS) via panel-mounted stereo phono (RCA) sockets with MUTE signal (headphone detect) Dedicated headphone amplifier, output via 3.5 mm panel-mounted barrel socket 40-pin pass-through GPIO header HAT EEPROM write-enabled Downloads Datasheet

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The Raspberry Pi Bumper is a snap-on silicone cover that protects the bottom and edges of the Raspberry Pi 5. Features One-piece flexible silicone rubber bumper Enables easy access to the power button Mounting holes remain accessible underneath the bumper Downloads Datasheet

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Specifications RP2040 microcontroller chip designed by Raspberry Pi in the UK Dual-core ARM Cortex M0+ processor, with a flexible clock running up to 133 MHz 264 kB SRAM, and 2 MB on-board Flash memory Castellated module allows soldering directly to carrier boards USB 1.1 host and device support Energy-efficient sleep and dormant modes Drag and drop programming using mass storage via USB 26x multifunction GPIO pins 2x SPI, 2x I²C, 2x UART, 3x 12-bit ADC, 16x controllable PWM channels On-chip accurate clock and timer Temperature sensor On-chip accelerated floating point libraries 8x programmable IO (PIO) state machines for custom peripherals Why a Raspberry Pi Pico? Designing your own microcontroller instead of buying an existing one brings a number of advantages. According to Raspberry Pi itself, not one of the existing products available for this comes close to their price/performance ratio. This Raspberry Pi Pico has also given Raspberry Pi the ability to add some innovative and powerful features of their own. These features are not available anywhere else. A third reason is that the Raspberry Pi Pico has given Raspberry Pi the ability to create powerful software around the product. Surrounding this software stack is an extensive documentation set. The software and documentation meet the high standard of Raspberry Pi's core products (such as the Raspberry Pi 400, Pi 4 Model B and Pi 3 Model A+). Who is this microcontroller for? The Raspberry Pi Pico is suitable for both advanced and novice users. From controlling a display to controlling many different devices that you use every day. Automating everyday operations is made possible by this technology. Beginner users The Raspberry Pi Pico is programmable in the C and MicroPython languages and is customizable for a wide range of devices. In addition, the Pico is as easy to use as dragging and dropping files. This makes this microcontroller ideally suited for the novice user. Advanced users For advanced users, it is possible to take advantage of the Pico's extensive peripherals. The peripherals include the SPI, I²C, and eight programmable I/O (PIO)-state machines. What makes the Raspberry Pi Pico unique? What's unique about the Pico is that it was developed by Raspberry Pi itself. The RP2040 features a dual-core Arm Cortex-M0+ processor with 264 KB of internal RAM and support for up to 16 MB of off-chip Flash. The Raspberry Pi Pico is unique for several reasons: The product has the highest price/quality ratio in the microcontroller board market. The Raspberry Pi Pico has been developed by Raspberry Pi itself. The software stack surrounding this product is of high quality and comes paired with a comprehensive documentation set.

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The Raspberry Pi SSD Kit bundles a Raspberry Pi M.2 HAT+ with a Raspberry Pi NVMe SSD. It unlocks outstanding performance for I/O intensive applications on Raspberry Pi 5, including super-fast startup when booting from SSD. The Raspberry Pi SSD Kit is also available with 512 GB capacity. Features 40k IOPS (4 kB random reads) 70k IOPS (4 kB random writes) Conforms to the Raspberry Pi HAT+ specification Included 256 GB NVMe SSD M.2 HAT+ for Raspberry Pi 5 16 mm GPIO stacking header Mounting hardware kit (spacers, screws) Downloads Datasheet

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Multitasking and multiprocessing have become a very important topic in microcontroller-based systems, namely in complex commercial, domestic, and industrial automation applications. As the complexity of projects grows, more functionalities are demanded from the projects. Such projects require the use of multiple inter-related tasks running on the same system and sharing the available resources, such as the CPU, memory, and input-output ports. As a result of this, the importance of multitasking operations in microcontroller-based applications has grown steadily over the last few years. Many complex automation projects now make use of some form of a multitasking kernel. This book is project-based and its main aim is to teach the basic features of multitasking using the Python 3 programming language on Raspberry Pi. Many fully tested projects are provided in the book using the multitasking modules of Python. Each project is described fully and in detail. Complete program listings are given for each project. Readers should be able to use the projects as they are, or modify them to suit their own needs. The following Python multitasking modules have been described and used in the projects: Fork Thread Threading Subprocess Multiprocessing The book includes simple multitasking projects such as independently controlling multiple LEDs, to more complex multitasking projects such as on/off temperature control, traffic lights control, 2-digit, and 4-digit 7-segment LED event counter, reaction timer, stepper motor control, keypad based projects, car park controller, and many more. The fundamental multitasking concepts such as process synchronization, process communication, and memory sharing techniques have been described in projects concerning event flags, queues, semaphores, values, and so on.

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The FLIRC Raspberry Pi Zero Case is compatible with Raspberry Pi Zero W and the newer Raspberry Pi Zero 2 W. The design of the FLIRC Zero Case is based on the original FLIRC case. As with the original, the aluminum housing serves as protection and, thanks to the contact point on the processor, as a passive cooler. Ideal for silent operation. In addition to a normal cover that encloses and protects the Raspberry Pi Zero, there is a second cover that allows access to the GPIO pins through a small opening.

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The case consists of two parts. It has a standard base featuring a cut-out to allow access to the GPIO, and a choice of three lids: a plain lid, a GPIO lid (allowing access to the GPIO from above), and a camera lid (which, when used with the short camera cable supplied, allows the Raspberry Pi Camera or Camera Noir to be fitted neatly inside it). Included 1x base 3x lids (plain, GPIO, camera) 1x short camera cable 4x rubber feet

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The active cooler provides an alternative cooling solution for users who wish to use their Raspberry Pi 5 under sustained heavy load without a case. It combines a large metal heatsink with a variable-speed blower, again powered and controlled via the fan connector, and attaches to the Raspberry Pi 5 via sprung pins into a pair of mounting holes.

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The Raspberry Pi SSD Kit bundles a Raspberry Pi M.2 HAT+ with a Raspberry Pi NVMe SSD. It unlocks outstanding performance for I/O intensive applications on Raspberry Pi 5, including super-fast startup when booting from SSD. The Raspberry Pi SSD Kit is also available with 256 GB capacity. Features 50k IOPS (4 kB random reads) 90k IOPS (4 kB random writes) Conforms to the Raspberry Pi HAT+ specification Included 512 GB NVMe SSD M.2 HAT+ for Raspberry Pi 5 16 mm GPIO stacking header Mounting hardware kit (spacers, screws) Downloads Datasheet

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