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AC/DC Power Supply ESP8266 WIFI Four-way Relay Module ESP-12F Development Board Secondary Development 32% OFF AC/DC Power Supply ESP8266 WIFI Four-way Relay Module ESP-12F Development Board Secondary Development US$14.99 US$21.99 View It
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Top Positive Review for %s on Banggood, Shop best %s with lowest price on Banggood. Browse most helpful positive review for %s before you buy., rc toys, fun sports, fashion, popular electronics
DSRocky 06/05/2021
It works but there is a big issue in design. GPIO16 is connected to the first relay. GPIO16 is high on booting ESP8266; so the relay closes und opens every restart. I soldered a wire from GPIO4 to the Relay.
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