Categories
ESP8266 (ESP-01/01S) Microcontrollers

ESP8266EX

External Flash


ESP8266EX uses external SPI flash to store user programs and supports up to 16 MB memory capacity theoretically.

The minimum flash memory of ESP8266EX is shown below:

  • OTA disabled: 512 kB at least
  • OTA enabled: 1 MB at least

Programming Mode