The following is the circuit diagram of [HT71D02/HT71D04 application circuit diagram] HT71D0x is power line data transceiver, HT71D02 built-in 3.3V regulator output, HT71D04 built-in 5.0V regulator output, full range of high voltage input voltage up to 30V. High-voltage transmission online data demodulation via built-in data transmission modulation interface And converted to 3.3V or 5V signal to the subsystem MCU, the subsystem MCU signal can be modulated and then converted to high voltage via the transmission line back to the main system, suitable for networked systems such as smoke detectors, water meters.
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