Energy Micro’s low power MCU delivers long battery life in VELUX touch screen remote control

Energy Micro has announced that VELUX has selected the EFM32 Giant Gecko microcontroller for its latest electric window remote control. The handheld ‘VELUX Integra’ programmable remote has a touch screen interface for controlling windows, ventilation flaps, blinds and other accessories. The EFM32 32-bit MCU with 1024KB of Flash memory incorporates an autonomous low power direct drive TFT controller for the large colour display, which features a smartphone-like interface with on-screen icons and ‘touch’ and ‘swipe’ functions.

The LESENSE function block in the EFM32 enables autonomous monitoring of external sensors while the microcontroller is in sub-microamp Deep Sleep mode. In the VELUX Integra control it is used to wake up the device from sleep when someone touches it. The EFM32 also implements the io-homecontrol two-way wireless communications protocol.

Commenting Bjarne Ravndal Andreasen, R&D manager at VELUX, said, “People have become very familiar with smartphone-style interfaces that use graphic icons and touch screens. In the Integra remote control we’ve used the EFM32 microcontroller to be able to produce a very easy-to-use, attractive remote control that offers great flexibility and longevity.”

Energy Micro’s CEO, Geir Førre, added, “The combination of high performance and very low power consumption can only be obtained using an architecture based upon autonomous operation of an MCU’s peripheral functions. This makes the EFM32 microcontrollers suitable for applications like the VELUX Integra where sophisticated functionality is complemented by extremely low energy consumption to satisfy the end user’s requirements.”

www.energymicro.com

 

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