ESP8266 wireless wi-fi module
Characteristics:
- Built on the scheme: ESP8266
- Frequency: 2.4 ~ 2.5 GHz Frequency
- Operating voltage: 3.3 V
- Operating Current: 240mA
- Support for WPA / WPA2 security mode
- protocol support WiFi 802.11 b / g / n
- Built-in TCP / IP stack
- Built-TR switch, balun, LNA, power amplifier and matching network
- Built-in PLL, regulators and power management system
- +20.5 dBm output power in 802.11b mode
Count | Price | |||
---|---|---|---|---|
From | 1 | шт | 216 | грн |
From | 3 | шт | 210 | грн |
From | 12 | шт | 203 | грн |
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ESP8266 wireless wi-fi module is a wireless module for serial Uart Arduino .
A miniature wireless wi-fi module based on the latest chip ESP8266 with integrated protocol stack TCP / IP and running AT-commands. There are two ways to use the chip:
- a bridge UART-WIFI, when the module is based on the ESP8266 is connected to the existing solutions on the basis of any other microcontroller and controlled by AT-commands, providing communication solutions to infrastructure Wi-Fi;
- implementing a new solution that uses the chip ESP8266 as the control of the microcontroller.
Pins of ESP8266 wireless wi-fi module :
- Vcc - power + 3.3V (3.6V maximum)
- GND - general
- TXD - Data Transfer (3.3V levels)
- RXD - receiving data (the level of 3.3V)
- CH_PD - off module (low level of activity to include the module must be submitted Vcc)
- GPIO0 - concluded general purpose 0
- GPIO2 - concluded general purpose 2
- RST - Reset module (low active)
ESP8266 wireless wi-fi module is widely used in the systems of "smart home" in mesh-networks, IP-cameras, wireless sensors, portable electronics, and so on.