Conclusion

Summary: Shroomy is a functional desktop piece of art designed to make automatic mushroom growing easy and enjoyable to watch right in your kitchen. It is meant to be built DIY using globally available components and 3D-printed parts. Shroomy is not intended for mass production.

To use, simply order a mycelium cake online. Scoop out the required volume and place it in the pod. Store the remaining mycelium cake in a bag (sealed as tightly as possible) in the fridge for later use. This will extend its lifespan. Note that some fungi types are sensitive to cold and should not be refrigerated—make sure to research this online beforehand.

Thanks to features like auto misting and auto venting, there’s no need to spray the mycelium cake with water multiple times a day. Your only task is to check through the pod holes to see if the mycelium cake has turned white. Once this happens, unclick button 2 and click in button 3 to start the mushroom sprouting process.

The default settings in the code are optimized for yellow oyster mushrooms, but they can be adjusted for other mushroom types. You will need to modify and test the parameters yourself.

Enjoy the beauty and satisfaction of growing mushrooms at home!

Make sure to follow the Hypno Crafts Youtube Channel and support us on Patreon if you loved this project and want to see more hypnotic builds! Feel free to show your progress in our discord server. We love the hear from you

Upgrades

Next Steps: Due to the scope of this project, we left out some upgrades. We would love to see you guys implement them. It would be absolutely cool if you think of upgrades yourself and show this to the community!

• Humidity Sensor:
  Consider implementing a humidity sensor inside the silicone volume of the star-shaped cavity. This would make Shroomy truly "smart," enabling it to activate misting based on actual humidity readings. The sensor could also double as a water level indicator. If the mist maker is almost dry, the humidity level will drop and fail to increase, regardless of attempts to start the humidifier. In such cases, you could program the LED strips to pulse red as a warning sign.

• Oxygen Sensor:
  Adding an oxygen sensor could allow precise control of oxygen levels. Since ideal oxygen values for mushroom growth are difficult to find online, this addition could encourage the community to log and share data to further optimize mushroom-growing conditions collectively.

• Temperature Sensor:
  While Shroomy cannot control the temperature of the incubator, adding a temperature sensor could still be useful. Each fungus type has an optimal temperature range, so having temperature readouts of the incubator (or the ambient room temperature) could alert users to move Shroomy to a cooler or warmer room if necessary. This could be done by pulsing the led strips red.

• Temperature Control:
  At one point, we considered adding a Peltier module—a device that cools one side and heats the other. However, we opted against it due to implementation challenges, such as requiring heat conductors or airflow mechanisms over the Peltier surfaces. Additionally, fire safety was a concern, as we didn’t like the idea of a heating element in contact with PLA prints. If you want to experiment with this, feel free to give it a try—but make sure you fully understand the fire hazards involved.

• Different Pod Designs:
  The current pod design balances aesthetics with functionality, but you could modify it to increase its volume. For example, using a larger vase or making the tower taller would allow for a bigger pod, potentially increasing mushroom yield.

• Home-assistant: Use an ESP32 microcontroller instead of an Arduino and integrate Shroomy into home-assistant