Table 1.

Bill of materials

ComponentNumberCost / unitTotal costSource of materials
Adafruit Feather M0 Adalogger1$19.95$19.95 https://www.adafruit.com/product/2796
Lithium Ion Battery Pack - 3.7V 6600mAh1$29.50$29.50 https://www.adafruit.com/product/353
Adafruit FeatherWing OLED – 128x32 OLED1$14.9514.95 https://www.adafruit.com/product/2900
Short Headers Kit for Feather -12-pin + 16-pin Female Headers1$1.50$1.50 https://www.adafruit.com/product/2940
1k Resistor2$0.20$0.40 https://www.sparkfun.com/products/14492
Photo Interrupter -GP1A57HRJ00F2$2.50$5.00 https://www.sparkfun.com/products/9299
SparkFun Photo Interrupter Breakout Board -GP1A57HRJ00F2$1.50$3.00 https://www.sparkfun.com/products/9322
MicroSD card1$6.00$6.00 https://www.amazon.com/Kingston-microSDHC-Class-Memory-SDC4/dp/B00200K1TS/
JST cables2$1.50$3.00 https://vetco.net/products/jst-ph-connector-male-female-pair-pre-wired-3-pin
Plastic valves2$0.50$1.00 https://labproductsinc.com/product/hydropac-alternative-watering-system/
15 ml conical tubes2
  • All materials required for construction of the sipper device are itemized, sourcing and cost are provided.