Tag Archives: RS-485

Water Level Transmitter – surge protection

Posted on 2013/11/20 by andy

Thunderbolt that hits near a long cable line can induce spike of hundred of volts. Budgetary RS-485 driver will not protect circuitry from damages caused by over-voltage and over-current. While scorched prototyped device makes constructor sad, failure to bunch of … Continue reading →

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Water Level Transmitter – RS-485

Posted on 2013/11/05 by andy

Serial transmission over long line was the last stage of first iteration in prototyping. Local communication between microcontroller’s USART and PC was already working with MODBUS thus adding RS-485 driver and couple passive elements meant to be piece of cake. … Continue reading →

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