Smart Coffee Machine Automation with ESPHome

General
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Hello everyone! I recently embarked on a fun project to automate my dumb coffee machine using ESPHome. I thought it might be a good idea to share my experience and the setup I came up with, in case anyone else is interested in doing something similar.

The Setup

I decided to go with a Sonoff Mini R2 for its compact size and ease of integration with ESPHome. I also added a water sensor to detect when the machine is ready to brew. The idea was to automate the brewing process without making any invasive modifications to the machine itself.

The Process

  1. Hardware Setup: I connected the Sonoff Mini R2 to the power outlet that the coffee machine uses. This allows me to control the power supply to the machine via ESPHome.
  2. Water Sensor Integration: I placed a water sensor near the coffee machine to detect when water is present. This helps in determining if the machine is ready to brew or if it needs a refill.
  3. ESPHome Configuration: I configured ESPHome to monitor the water sensor and control the power relay on the Sonoff Mini R2. When the sensor detects water, it triggers the relay to turn on the coffee machine.
  4. Automation: I set up a simple automation in Home Assistant to start the brewing process at a specific time in the morning. This ensures that my coffee is ready when I wake up.

Results

The setup has been working perfectly for me! I no longer have to manually turn on the coffee machine every morning. It’s a small automation, but it makes a big difference in my morning routine. Plus, it was a great learning experience working with ESPHome and integrating different sensors and devices.

Tips for Others

  • Sensor Placement: Make sure to place the water sensor in a spot where it can reliably detect water without being submerged.
  • Power Management: Test the relay and power supply thoroughly to ensure there are no unexpected power cuts or issues.
  • Customization: Don’t hesitate to tweak the automation and sensor settings to fit your specific needs and routines.

I’d love to hear if anyone else has tried something similar or has any tips to improve this setup further. Happy automating! :coffee: