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Instead of messing with flags or complicated light beam interruption
IC chip : PCF8574
it has four pins:TX
These pliers are ideal for cutting soft wire
Power saving mode
Serial WIFI ESP8266 module adapter plate Components Box Instead of messing with flagsIntroduction : WIFI Serial Module Adapter Board Adapter Plate Applies To ESP 07, ESP 08, ESP 12
US$ 174.50
US$ 119.50
US$ 79.90
