The design of the multi-channel bioelectric signal acquisition module is based on Micro-Controller-Unit (MCU) which can measure ECG and detect heart rate during sleep.

基于MCU的多路电生理信号采集模块适用于睡眠中的应用，为睡眠心率检测提供最直观、严格的手段。

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This particular e-garment packs quite the selection of hardware, as you can see above -- a trio of LilyPad Arduino boards (and some custom ones), a Bluetooth module, 12 x 12 RGB LED "screen", speakers, bend sensors, a heart rate monitor, shake motors and a power pack.

ENGADGET: Woven's wearable platform for gaming, cool points and a whole lot more (video)