ESP8266 WiFi module

Description

ESP8266 Wi-Fi Module Specifications
The ESP8266 Wi-Fi module specifications or features> are given below.

<1>It is a powerful Wi-Fi module available in a compact size at a very low price.
<2>It is based on the L106 RISC 32-bit microprocessor core and runs at 80 MHz
<3>It requires only 3.3 Volts power supply
<4>The current consumption is 100 m Amps
<5>The maximum Input/Output (I/O) voltage is 3.6 Volts.
<6>It consumes 100 mA current
<7>The maximum Input/Output source current is 12 mA
<8>The frequency of built-in low power 32-bit MCU is 80 MHz
<9>The size of flash memory is 513 kb
<10>It is used as either an access point or station or both
<11>It supports less than 10 microAmps deep sleep
<12>It supports serial communication to be compatible with several developmental platforms such as Arduino
<13>It is programmed using either AT commands, Arduino IDE, or Lua script
<14>It is a 2.4 GHz Wi-Fi module and supports WPA/WPA2, WEP authentication, and open networks.
<15>It uses two serial communication protocols like I2C (Inter-Integrated Circuit) and SPI ( Serial Peripheral Interface).
<16>It provides 10- bit analog to digital conversion
<17>The type of modulation is PWM (Pulse Width Modulation)
<18>UART is enabled on dedicated pins and for only transmission, it can be enabled on GPIO2.
<19>It is an IEEE 802.11 b/g/n Wi-Fi module with LNA, power amplifier, balun, integrated TR switch, and matching networks.
<20>GPIO pins – 17
<21>Memory Size of instruction RAM – 32 KB
<22>The memory size of instruction cache RAM – 32 KB
<23>Size of User-data RAM- 80 KB
<24>Size of ETS systems-data RAM – 16 KB