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LC Technology PSF-B04 Ewelink 4 Channel Switch Module
Model reference: LC-EWL-B04-MB
LC Technology PSF-B04 Ewelink 4 Channel Switch

Available from:
Aliexpress.com




Manufacturer:
Chinalctech.com

Install method:
USB to Serial

GPIO #Component
GPIO00 User
GPIO01 User
GPIO02 User
GPIO03 User
GPIO04 User
GPIO05 User
GPIO09 None
GPIO10 None
GPIO12 User
GPIO13 Led1
GPIO14 User
GPIO15 User
GPIO16 None
FLAG None
Configuration (old version)
{"NAME":"LC-EWL-B04-MB","GPIO":[255,255,255,255,255,255,0,0,255,52,255,255,0],"FLAG":0,"BASE":18}
  • KEY1 GPIO0
  • KEY2 GPIO9
  • KEY3 GPIO10
  • KEY4 GPIO14

Each “KEY” is a combination of input pin and GND. The right pin of each “KEY” in the bottom view is GND

  • OUT1 GPIO12
  • OUT2 GPIO5
  • OUT3 GPIO4
  • OUT4 GPIO15