The ESP8266 is a low-cost Wi-Fi microchip with full TCP/IP stack and microcontroller capability produced by Shanghai-based Chinese manufacturer, Espressif Systems.

 This small module allows microcontrollers to connect to a Wi-Fi network and make simple TCP/IP connections using Hayes-style commands. However, at the time there was almost no English-language documentation on the chip and the commands it accepted. The very low price and the fact that there were very few external components on the module which suggested that it could eventually be very inexpensive in volume, attracted many hackers to explore the module, chip, and the software on it, as well as to translate the Chinese documentation.

    Processor: L106 32-bit RISC microprocessor core based on the Tensilica Xtensa Diamond Standard 106Micro running at 80 MHz
        32 KiB instruction RAM
        32 KiB instruction cache RAM
        80 KiB user data RAM
        16 KiB ETS system data RAM
    External QSPI flash: up to 16 MiB is supported (4 MiB included)
    IEEE 802.11 b/g/n Wi-Fi
        Integrated TR switch, balun, LNA, power amplifier and matching network
        WEP or WPA/WPA2 authentication, or open networks
    16 GPIO pins
    I²C (software implementation)
    I²S interfaces with DMA (sharing pins with GPIO)
    UART on dedicated pins, plus a transmit-only UART can be enabled on GPIO2
    10-bit ADC (successive approximation ADC)

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  • Product Code: Esp8266-12
  • Availability: 20
  • C$2.80

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