The World Record of “SMALLEST FUNCTIONING WATER LEVEL CONTROLLER PCB” is achieved by PRANAV ROKDE on 7th may 2021 from Nagpur (Maharashtra) India. He made a smallest functioning water level controller pcb of dimensions 28 x 28 x 15 (mm). It comprises electronic components like NPN and PNP transitors, capacitors, a few resistors, dodes and electromechanical relay for switching water motor pump and has set a new world record for International Book of Records.
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