Serial Port Module ESP8266 CH340G ESP-12E Wireless WiFi Internet De

Serial Port Module ESP8266 CH340G ESP-12E Wireless WiFi Internet De
Desciption:
ESP8266EX is typically used in applications ranging from smart switches, smart lighting, smoke detectors, gas sensors, temperature-humidity sensors, smart displays, etc.   ESP-12 is a very tiny board. It is built around Espressif's Wi-Fi chipset ESP8266EX. Module ESP-12, compared with ESP-1 has more pins exposed on board.
ESP8266EX is a 802.11bgn WiFi chip,  that can be used in IoT applications, and integrates the following components:
Tensilica L106 low power 32-bit MCU that can run at up 160MHz
10-bit ADC

internal SRAM
GPIO x16 (up to 5 used for interface with flash)
power management
all RF components
WiFi baseband, MAC, TCP/IP
advance standby and sleep modes
SPI / UART / SDIO connectivity

The application code is usually stored on an external NOR flash device; for a typical application 512kB is more than enough. The flash is accessed through a cache; about 35kB internal SRAM is available to the user for stack and temporary storage.

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