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030908 Serial Port TTL 4-CH Relay Controler Module w/ Protective IC - Black + Blue + Green
Color Others£¬ Brand N/A Model 030908 Quantity 1 Piece Material CCL + component English Manual / Spec Yes Other Features With built-in 3.3~5V switching circuit; with protective IC and normally open / closed contact; strong drive force with 4-CH 250V 10A; with LED indicator; supports cascade connection; with built-in 3.3V stabivolt output; with bluetooth serial port and RF serial port to choose from to control PC or cellphone wirelessly. Instructions: FF 01 00 01 EE: 1st channel close; FF 01 01 02 EE: 1st channel open; FF 01 02 03 EE: 1st channel 1s inching; FF 02 00 02 EE: 2st channel close; FF 02 01 03 EE: 2st channel open ; FF 02 02 04 EE: 2st channel 1s inching ; FF 03 00 03 EE: 3st channel close; FF 03 01 04 EE: 3st channel open; FF 03 02 05 EE: 3st channel 1s inching; FF 04 00 04 EE: 4st channel close; FF 04 01 05 EE: 4st channel open; FF 04 02 06 EE: 4st channel 1s inching; FF 25 00 25 EE: all close; FF 25 01 26 EE: all open. Packing List 1 x Module (19cm wire)