Quantity   Component name
1 × Particle Photon To obtain sensor values ,to process them and send to cloud
1 × Flex sensor To measure the flexibility values of the knee joint
1 × Particle cloud To send and push data from particle photon
1 × ADXL 335 Analog accelerometer for measuring acceleration values
1 × Thingspeak cloud To obtain sensor values and display them by means of graph or other gui
1 × Blynk App An easy to use app interface to visualize the data
1 × Lithium Battery 3.7v To power up the particle photon (photon is 3.3-5v tolerant)
1 × Plastic case To house the sensors, battery and particle photon
7 × Female-female jumper wires
1 × 10k resistor To limit the current supplied to flex sensor