LPG (liquid petroleum gas) used in kitchen gas cylinders is a mixture of propane and butane in diverse compositions. Even though LPG is essential for use in kitchens and the public is usually alert ...

This automatic liquid dispenser is based on an RFID reader and Arduino. Whenever you want to fill a water bottle or can, or petrol in a vehicle, or any other liquid for that matter, you just need to ...

A 7-segment display is able to show numbers (or also characters) by displaying individual segments. A block contains 7 segments and an additional point. 7 segment displays are often used in watches, ...

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Ultrasonic sensor HC-SR04 is used to measure distance in range of 2cm-400cm with accuracy of 3mm. The sensor module consists of ultrasonic transmitter, receiver and the control circuit. The ultrasonic ...