Description Board Features: Plug on to use Add onboard LDO regualtor AMS1117, input voltage can be 5V, provided stable power supply Add pull up and pull down control resistors for booting, pin 0, 2, EN, RST Tested working well for both ESP-01 or ESP-01S Two booting control buttons, hold down IO button and press RST button to enter into flash mode. Lead all pins 2*4 out to breadboard For V2 and V1 documentation please see at this page.
