Inspired by: http://www.melesol.com/2015/09/wifi-for-everything-4-fish-feeder.html
- Battery powered automatic fish feeder
- BS170 NPN transistor
- 1k resistor
- 100k resistor
- 2x2 male pin header
- 2x8 female pin header
- 4 male-female jumper wires
- wemos d1 mini
- micro USB cable and power supply
