Research Paper | Computer Science & Engineering | India | Volume 9 Issue 4, April 2020
Wireless Multi-channel Non-Contact Liquid Level Controller
Shivani R. Konda | Y. N. Ravindra
Abstract: The wireless technique of non-contact liquid level controlling and monitoring system concentrated with some newly available devices which are softly aggregated together in the proposed system. The proposed system employs non-contact liquid level control principle for controlling the liquid level of electrically conductive or non-conductive liquids. The system uses IR transceiver sensor for sensing liquid level, a microcontroller and HC 12 RF transceiver. The liquid level can be programmed to any lower and upper level values by using level control switches. The microcontroller compares the sensor output with upper and lower levels and provides serial data which is wirelessly coupled to the remotely placed RF transceiver. The RF receiver along with microcontroller provides the switching command signal for the suitable switching relay which in turn switches the motor ON or OFF. The unit is designed for eight (8) different units. Each unit is defined to work at different transmitting frequency to avoid interference free transmission. The validity of the proposed control scheme is verified by means of a practical testing on an experimental liquid level control device. The implementation of this control in a prototype design shows satisfactory and encouraging results which are effective, precise and reliable.
Keywords: AT Mega 16 microcontroller, IR transceiver, HC 12 transceiver, LCD
Edition: Volume 9 Issue 4, April 2020,
Pages: 906 - 907
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