1. Interface ultrasonic sensor with NodeMCU and display the result of distance measured by ultrasonic sensor on THingSpeak cloud server. 2. Switch on the LED when the distance value is getting 200 on ThingSpeak cloud server. 3. Display various Widgets
تصميم نظام ذكي يعتمد على الحساسات لمراقبة امتلاء الحاويات