Following is an image of my Arduino IDE window, and the programmed ESP-01 mounted on breadboard. Frankly, using a bare module like the ESP-01 is a hassle (even for a more experienced user), and you ...

In case you missed it, the big news is that a minimal Arduino ... The ESP’s dedicated I2C pins are on GPIO 21 and 22 for data and clock respectively. Some I2C implementations will use the ...