[EN] ESP-IDF Ep.3 : GPIO Output
This article discusses setting the GPIO and sending the digital status 0 or 1 to the port, starting with the LED on and off by connecting to the external LED circuit of the board as shown in Figure 1.
![](https://www.jarutex.com/wp-content/uploads/2021/07/DSF7347.jpg)
This article discusses setting the GPIO and sending the digital status 0 or 1 to the port, starting with the LED on and off by connecting to the external LED circuit of the board as shown in Figure 1.