Project Ripple consists of internet-enabled mobile medical sensor network, messaging middleware, and user applications that improve situational awareness and patient monitoring in a disaster response.
Sensor hardware is implemented in the form of low-power, attachable biopotential meters that interface with the Econotag breakout board.
A reflectance sensor connects to the D-Sub connector on the Pulse-Ox modules which emits two different wavelengths of light into the patient’s skin which are then picked up by a photodetector on the sensor.
The ADS1292R is an integrated circuit provided by Texas Instruments which provides the function of a low-power, two-channel, 24-Bit Analog Front End for Biopotential Measurements like ECG and respiration.
The Redbee Econotag is a 802.15.4 wireless mote utilizing the MC1322X microcontroller. Econotag modules in Project Ripple run the Contiki OS and IETF 6LoWPAN, allowing them to connect over IPv6.
The Raspberry Pi is a low-power computer that this project employs as a dual-functioning information broker and border router. The Pi exchanges data with Econotag motes and clients over IP.
The network architecture of Project Ripple begins with the MBAN and extends upward; to the cloudlet, the cloud, and beyond.