Variability in tea beverage concentration due to manual preparation can lead to inconsistent product quality and reduced consumer satisfaction. This study presents the design of an automated system to measure and control tea molarity using a Light Dependent Resistor (LDR) sensor and an ESP32 microcontroller. The system consists of one pump dedicated to concentrated tea addition, one stirring mo…
In the current era, technology has shown a very rapid development. This is evidenced by the large number of communication media, both wireless and wired. In this study, using visible light as a medium in the communication system. The communication system consists of a transmitter (sender) and a receiver (receiver) device. The transmitter device consists of a signal generator as an input signal …