Quantity   Component name
1 × BornHack 2021 badge/PCB
1 × QTPy SAMD21 CircuitPython capable microcontroller with small form factor
1 × NeoPixel single ws2812 on PCB
2 × TIP120 Discrete Semiconductors / Power Transistors and MOSFET
3 × Schottky diodes rated for 1A
2 × 2.4K resitror
1 × On/off switch
1 × 1000 uF electrolytic capacitor
1 × Differential pressure sensor (breakout) https://nl.aliexpress.com/item/32909822108.html
1 × 6V DC membrane airpump
1 × 5V Solenoid valve
1 × Lipo 5V boost converter module
1 × AA battery holder
2 × SAO connector
1 × Silicone bubble https://hackaday.io/project/179497-desktop-bubble
5 × Silicone tube
1 × Syringe tip
2 × 3 way tube connectors
5 × Small zip-ties