Garage133: DIY garage automation

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Garden133 is a DIY garage door automation system using ESP32, sonars,relays, and Home Assistant integration. Door control, car detection.

Chris Lee

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Dual sonar / HMM classifier update
4 hours ago • 0 comments
I updated the project to support two sonars per garage bay. A multi-output HMM is used to estimate the state of the garage:
- Is a car present?
- Is the garage door open or closed?
The dual-sonar system has demonstrated much better robustness, and can distinguish between a car being present or absent while the garage door is open.

See Dual Sonar ESP32 Garage State Estimation.