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#electronics #oscilloscope #relayprotection In this video I will tell you about a homemade milliOhmmeter and demonstrate it in operation. Its price is about 500-700 rubles at the cost of components. YB5135A 200mV: A 200mV voltmeter must be connected with a DC / DC converter with galvanic isolation (as recommended by the manufacturer of this voltmeter): https://clck.ru/aj5Qx (link to 5/5 V converter) Some nuances of manufacturing can be read on muska: https://clck.ru/aj5LU