arduino or raspberry pi coding with ultrasonic sensor to greet people good morning or wish them goodbye, depending on the direction they are walking in
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i have done many projects based on arduino and also written programs for many projects like robotics , electric vehicle etc. i can help your to understand and also will write code easily.
Hello I'm an embedded software engineer and I would like to hear about your project requirements to estimate how much effort is needed to complete the job. so I can adjust my bid to job complexity. Best regards