Development Board, Relay Control Module 4 Channel DC 12V MS51FB9AE Main Controls  for DIY
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Development Board, Relay Control Module 4 Channel DC 12V MS51FB9AE Main Controls for DIY

Key item features

  • Varied Commands: Has 7 kinds of commands of MOMENTARY, SELF LOCK, INTERLOCK, OPEN, CLOSE, DELAY 1 in SECOND and DELAY 2 in 0.1 SECOND
  • Simpler Control: Using MS51FB9AE chip as main control, can be with TB441 infrared remote control and SP485 USB to RS485 converter
  • in Use: Designed to have optocoupler, 4 channel relay, digital tube, LED light, button, RS485 and infrared receiver for working
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