Quantity   Component name
1 × SparkFun Pro Micro 5V/16MHz (DEV-12640) Or clone.
1 × Pin headers
1 × RGB lighting I used the built-in RGB lights on my EKWB Vega 64 water block.
1 × Perfboard
1 × 10K resistor
1 × SSD1306-based I2C 128x32 OLED display Displays and Inverters / LED Displays
1 × A PC water-cooling loop I won't go into detail about building this; there's plenty of articles about that online.
1 × 10k thermistor
1 × Flow meter
2 × Fans (for radiator)
1 × Pump