Firstly, a digital temperature controller is an essential component of a cake display. It is used to maintain a consistent temperature inside the display case. Which helps to keep the cakes fresh and appealing to customers.

Secondly, the temperature controller works by measuring the temperature inside the display case and adjusting the temperature as needed to keep it within a set range. The controller can be programmed to maintain a specific temperature range. And it will automatically adjust the temperature to stay within that range.

A digital temperature controller is preferred over analog controllers because it provides more precise temperature control. And allows for easier programming and monitoring. Digital controllers also offer features like alarms and remote monitoring. Which can help prevent spoilage and reduce energy usage.

When selecting a digital temperature controller for your cake display. Consider factors like the size of the display case, the desired temperature range, and any specific features or capabilities that you require. It’s also important to choose a reliable and high-quality controller that will provide accurate and consistent temperature control over time.