There’s no denying that the Raspberry Pi is one of the most underpowered computers on the market today. Even the highest-end model, the 3B+, is many times slower than an entry-level laptop with an Intel Core i7 monitor (Figure
2-1). But what this single board lacks in horsepower it more than makes up for in affordability, compactness, simplicity, and fun. The least expensive flavor of Pi, the itty-bitty Zero, costs just $5, while the feature-filled 3B+ (mainly featured in this book), smaller ...