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Welcome to the ESP8266 Microgear wiki!

Note

• Every command have to end with carriage return
• To include special characters (eg. white space, carriage return, new line) simply escape it with BACKSLASH inside double quote
• You have to change Environment Path for SDK FOLDER and COMPLIER FOLDER inside make file

Compile

Using command: make inside firmware folder

Download

Using command: make flash inside firmware folder

What is this ESP8266

• It's a wireless SoC
• It has GPIO, I2C, ADC, SPI, PWM and some more
• CPU default is in 80MHz, max can be 160MHz
• It's based on the RISC architecture
• The core is a 106micro Diamond Standard core (LX3) made by Tensilica
• The ESP8266 chip is made by Espressif
• Modules bearing this chip are made by various manufacturers

What is FREERTOS

• Real-time firmware for an embedded boards
• Base on TICK-CYCLE of the MCU
• FreeRTOS for ESP8266 is made Espressif Github

Features

• 802.11 b/g/n protocol
• Wi-Fi 2.4 GHz, support WPA/WPA2
• Super small module size (11.5mm x 11.5mm)
• Integrated 10-bit ADC
• Integrated TCP/IP protocol stack (ipv4 only at the moment)
• Integrated TR switch, balun, LNA, power amplifier and matching network Integrated PLL, regulators, and power management units
• +20dBm output power in 802.11b mode
• Supports antenna diversity
• Deep sleep power <10uA, Power down leakage current < 5uA
• Integrated low power 32-bit MCU
• SDIO 2.0, SPI, UART, I2C
• STBC, 1x1 MIMO, 2x1 MIMO
• A-MPDU & A-MSDU aggregation & 0.4μs guard interval
• Wake up and transmit packets in < 2ms
• Standby power consumption of < 1.0mW (DTIM3)
• Operating temperature range -40C ~ 125C

What is this ESP8266 AT

• ESP8266 connects to another MCU by UART
• The MCU send AT+ through UART to control ESP8266