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--- spark_counter [2016/10/01 09:59] – [peacefair PZEM-004] address kingkevin
+++ spark_counter [2016/10/01 10:01] – [peacefair PZEM-004] connector kingkevin
@@ Line 37: / Line 37: @@
 {{:spark_counter:dsc02328.jpg?0x200|PZEM-004 opto-couplers}}
-The meter also provides a UART port to query the measured values.
+The meter also provides a UART port (using an XH-4P connector) to query the measured values.
 Two opto-couplers isolate the main power meter circuits from the TX and RX UART ports.