![Power-Saving Light Sensor [video]](https://i0.wp.com/healthtechinsider.com/wp-content/uploads/sites/9/2017/05/ActLight-photodiode.jpg?resize=600%2C275)
by Alfred Poor | May 1, 2017 | Enabling Tech, General News
Light plays a growing role in wearable Health Tech devices. By measuring light reflected by different tissues and materials, wearables can measure heartbeats and blood pressure; companies are developing systems that can even measure blood glucose and other important...
![Switching Chip Uses No Standby Power [video]](https://i0.wp.com/healthtechinsider.com/wp-content/uploads/sites/9/2017/02/Zero-power-sensor-switch.jpg?resize=600%2C275)
by Alfred Poor | February 10, 2017 | Enabling Tech, General News
Digital wearable Health Tech devices require power, and this usually takes the form of electricity. Some devices can harvest the energy that they need from their surroundings, using heat, motion, light, or even radio frequency (RF) waves, but most devices use some...
