E-Card; a sample zk-Device

The E-card is an IoT hardware business card that integrates three devices: a thermometer, a hygrometer, and a smart button. This device combines essential environmental sensing and interactive capabilities into a compact form.

The E-card can be powered up using a Type-C USB connector, ensuring easy and universal compatibility with modern power sources. Additionally, it can be configured and managed via the FidesInnova mobile app, providing a seamless setup and user experience.