The main electronic components of the fermentor are: a Rapsberry Pico mounted on a custom electronic board, an OLED display and four buttons, a general toggle switch, a temperature and humidity sensor, a fan and two heating pads.

View and download all fabrication files

Electronic board

List of components

• Raspberry Pi Pico, 4.43€, x1
• Sensor SHT31, 7.51€, x1
• Heating pad, 5.42€, x2
• Fan 12V, 6.51€, x1
• OLED display, 7.98€, x1
• Tactile button switch 6mm, 0.11€, x4
• Barrel jack, 0.83€, x1
• Toggle switch, 0.83€, x1
• Voltage regulator 5V 1A, 0.67€, x1
• RGB led, 0.60€, x1
• 10uF capacitor, 0.80€, x2
• 220R resistor, 0.10€, x3
• 10K resistor, 0.49€, x4
• Mosfet, 0.97€, x2
• Diode; 0.20€, x1
• Grove 4 pin connector, 0.13€, x4

Total price: 47,13€

Unlinked components must be updated.

Schematic

PCB design