NTP clock and IoT message display
Using ESP8266 as an IoT node, MQTT messages can be sent from remote to display text on its tiny OLED screen.
Also, this device is an NTP clock which calibrated automatically every hour.
Using ESP8266 as an IoT node, MQTT messages can be sent from remote to display text on its tiny OLED screen.
Also, this device is an NTP clock which calibrated automatically every hour.
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