End products

DM440 audio player/controller

A high-quality audio player for a background music system, with daily schedules and automatic updates.

A series of large and robust buttons, connectable to a PC via a USB cable or via a wireless dongle.

USB Dome Button
Robust, waterproof, industrial button with USB link

USB Pushbutton
Panel-mount illuminated pushbutton

Battery-free Wireless Dome Button
Wireless link, powered by kinetic energy harvesting

Wireless Dome Button (battery-powered)
Dome button with wireless link

USB Pendant Button
Pendant button on a flexible, nylon braided cable (3 m)