Espresso machines are categorized into two primary types based on their level of automation: those that automate the brewing process and those that require user control. Automated machines handle tasks like grinding, tamping, and extraction time automatically, streamlining the process and often ensuring consistency. Manually operated machines, conversely, give the user direct control over each stage, from grinding and tamping to pulling the shot, allowing for greater experimentation and customization of the brewing process.
The distinction between these machine types reflects a broader tension in the world of espresso between convenience and control. Automated options provide ease of use, making them ideal for busy households or those new to espresso. Manual machines, however, cater to those who desire a hands-on experience, enabling fine-tuning and a deeper understanding of the variables impacting espresso quality. This division has existed since the earliest days of espresso machines, with initial lever-operated designs giving way to increasingly automated models as technology advanced.