• Sensor Cost - $10.00 

Fabricated sensor based on described fabrication process (for a double electrode sensor based on silicone rubber as a dielectric and Nylon and Copper conductive threads; with 30 cm length and 4.5 mm thickness) 

• Adafruit Feather M0 WiFi - ATSAMD21 + ATWINC1500 - $37.99

https://www.amazon.com/Adafruit-PID-3010-Feather-WiFi/dp/B01F6GJVL6/ref=sr_1_3?ie=UTF8&qid=1540204647&sr=8-3&keywords=adafruit+feather+M0+WiFi+with+ATWINC1500

• INA118 Precision, Low Power Instrumentation Amplifier - $11.67

https://www.mouser.com/ProductDetail/Texas-Instruments/INA118P?qs=VBduBm9rCJTJMgcSbr%252bM%252bQ%3D%3D&gclid=Cj0KCQjw6rXeBRD3ARIsAD9ni9C3wY6Uro_xkxsNHuSIuQyfxbPeThtIQzHCaPhHMIYJVrYt1NKaAtoaAusQEALw_wcB