ESP32 – connecting OLED display
In the previous article we briefly explained what ESP32 is and what it can be used for. We also learned how to read data from
Grzegorz Galuba
16 June 2021
In the previous article we briefly explained what ESP32 is and what it can be used for. We also learned how to read data from
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Small size, great communication capabilities, affordable price. In this tutorial we connect an ESP32 module to DS18B20 temperature sensor and read sensor data both on serial monitor and in a browser.
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In this article we will connect a relay to an ESP32 module and create a lighting control system using an LED. You can also use a standard 230V incandescent bulb, but be careful with this.