Quantity   Component name
1 × 3D printed device holder
2 × 10mL syringes https://www.amazon.com/dp/B01JJYDFHM
2 × JST Jumper 3 Wire Assembly https://www.sparkfun.com/products/9915
1 × Arduino power supply
1 × SD card
2 × Plastic valves - Hydropac https://labproductsinc.com/product/hydropac-alternative-watering-system/
1 × Arduino Uno
1 × Adafruit SD shield
2 × SparkFun Photo Interrupter Breakout Board - GP1A57HRJ00F https://www.sparkfun.com/products/9322
2 × Resistor 1K Ohm 1/4th Watt https://www.sparkfun.com/products/13760
2 × Photo Interrupter - GP1A57HRJ00F https://www.sparkfun.com/products/9299