The "common label" column applies to common NodeMCU and D1 Mini development boards. Unfortunately some manufacturers use different mappings so the labels listed here might not apply to your particular ...

V3.0 - Using NodeMCU ESP8266 for controlling switches (Relay). Uses RTC (Real Time Clock - DS3231) and NTP (Network Time Protocol) for maintaining time. OLED Display (128x64) for instant updates. A ...

How to Send SMS Using CircuitDigest Cloud API? Using the SMS API from CircuitDigest you can easily send SMS from your IoT Development boards like Arduino R4, ESP32, ESP8266, Raspberry Pi etc. It is as ...

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