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--- info:chinese_8_relay_board_august_2016 [2016/08/22 19:26] – tomgle
+++ info:chinese_8_relay_board_august_2016 [2016/08/22 19:34] (current) – tomgle
@@ Line 1: / Line 1: @@
 ===== Chinese 8 Relay Board =====
-This one is a little variation of the one I got 3 years ago.  This one has a separate terminal strip to supply interface Vcc.\\
+This one is a little variation of the one I got 3 years ago.  This one has a separate terminal strip to supply interface Vcc, visible on the right near the bottom. \\
-{{:info:relay_ver2_8port.jpg?300|}}\\
+{{:info:relay_ver2_8port.jpg?400|}}\\
 {{:info:relay_ver2_8portb.jpg?300|}}\\
+The interface can be totally isolated from the relay logic. The following 2 hookup diagrams illustrate the interface hookup. The interface only needs ground and an activation signal to activate a channel.  The diode which will be turned on by the logic signal will optoisolate the input.\\
+{{:info:2016-08-22_171701.jpg|}}\\
+{{:info:2016-08-22_171640.jpg|}}\\