This Adapter Board is suitable for ESP-32S module.
ESP-32S Adapter Board minimum system needs only lead 4 lines to connect USB turn serial tool, TXD is connected to TX of turn serial tool, TXD is connected to RX.
Note: You must connect a 4,7K-20K pull-up resistor in the EN pin to 3.3V, we recommend 12K.
According to the above description, power on after connectting the line and default operating mode, press on IO0 button to get into download mode, and press on RESET button to download after you point the download.
1 x ESP-32S Adapter Board
2 x Header Pins
2 x Buttons