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carmen lopez lopeza
carmen lopez lopeza

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Intelligent system to control the use and maintenance of cavitation machines

You ever walk into a spa and wonder, “How the heck do they keep track of which machines need maintenance?” I did. That moment sparked an entire project. It turned into a custom-built smart system for tracking cavitation machine use, session logging, and alerts. Wild ride, right?

It all started with a client offering Ultrasonic Cavitation Chicago IL who complained their machines were overused, under-serviced, and—worst of all—left running after sessions.

Why It Was a Problem

I once saw a technician walk out mid-session. Machine buzzing, lights flashing, no timer, no shutdown. Just... vibes. That’s when I knew we had to build something to prevent this.

5 Smart Features We Focused On

  • Auto-logging usage time per session
  • Session-based countdown timers
  • Maintenance cycle triggers after set hours
  • Remote shut-off via app interface
  • QR-code scan to activate authorized usage

How We Made It Happen

Step 1: Set Up the Device Controller 

from gpiozero import Button, LED
from time import sleep

power_button = Button(2)
status_light = LED(17)
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Step 2: Log Session Start and End 

import datetime

def log_session(start_time, end_time):
    with open("usage_log.txt", "a") as f:
        f.write(f"Start: {start_time}, End: {end_time}\n")
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Step 3: Add Countdown Timer for Sessions 

import time

session_minutes = 30
while session_minutes:
    print(f"Time remaining: {session_minutes} minutes")
    time.sleep(60)
    session_minutes -= 1
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Step 4: Push Maintenance Reminder 

if total_hours_used % 50 == 0:
    send_email("Maintenance due on Cavitation Machine")
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Step 5: QR Code Auth via Flask API 

@app.route('/auth', methods=['POST'])
def authorize_device():
    code = request.json.get('qr_code')
    return {"status": "authorized" if code in valid_codes else "denied"}
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Step 6: React Native App for Remote Control 

<Button title="Shutdown Machine" onPress={handleShutdown} />
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Step 7: Send Alert When Session Ends 

def notify_user():
    print("Session complete! Please shut down the machine.")
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Step 8: Integrate Usage Stats Dashboard 

fetch('/api/stats')
  .then(res => res.json())
  .then(data => setStats(data));
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Step 9: Protect Device Access 

if not is_authenticated(user):
    raise PermissionError("Unauthorized device access attempt")
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Step 10: Add Local Storage Backup 

import pickle

with open("session_backup.pkl", "wb") as backup:
    pickle.dump(session_data, backup)
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What Happened Next

The system worked. Like, actually worked. They tracked everything from minutes of use to who logged in. One technician said it was the first time they felt “in control” of the gear.

Someone from another clinic—also offering Ultrasonic Cavitation Chicago called asking if we could sell the setup. I was like, “Uhh… let me clean up the UI first.”

Then another partner asked if we could expand it to manage all Ultrasonic Cavitation in Chicago locations. It escalated fast.

Why You Should Build Something Like This

  • It solves real-life operational chaos
  • It connects software to actual hardware (which feels amazing)
  • You’ll learn API auth, microcontrollers, UX design—all in one go
  • It’s way cooler than yet another task manager

Give It a Shot

If you’ve ever wanted to build something for clinics, salons, or health tech—this is your sign.

Start small. Track sessions. Add timers. See where it leads.

Guess what? You’re gonna love it.

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