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parallel I/o port output 0x1c by D7-D0
and flash frequency tubes
and productivity tasks
which is a good solution to the over-current of electric stove wire caused by low resistance during cooling
5V ESP8266 WiFi Relay Module 3D Printers parallel I/o port output 0x1c5V ESP8266 WiFi Relay Module The ESP8266 WiFi 5V 1 Channel Relay Module equips with the ESP8266 WiFi module and micro controllers, through the mobile phone APP to the module to send serial instructions to achieve in the LAN within the relay for wireless control. This intelligent esp relay module is independently designed and produced by IOTMCU studio. It is designed based on the ESP 01 01S WIFI module and can be used for DIY's own intelligent switch.
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