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WiFiEsp

With an ESP8266 board, WiFiEsp library allows an Arduino board to connect to the internet. It can serve as either a server accepting incoming connections or a client making outgoing ones. The WiFiEsp library is very similar to the Arduino WiFi and Ethernet libraries, and many of the function calls are the same.

Supports ESP SDK version 1.1.1 and above (AT version 0.25 and above).

Features

• APIs compatible with standard Arduino WiFi library.
• Use AT commands of standard ESP firmware (no need to flash a custom firmware).
• Support hardware and software serial ports.
• Configurable tracing level.

Wiring

The WiFiEsp library has been designed to work with the ESP WiFi shield. It is a cheap version of the Arduino WiFi shield that uses an ESP-01 module to provide networking capabilities to Arduino boards.

Examples

• ConnectWPA - Demonstrates how to connect to a network that is encrypted with WPA2 Personal
• WebClient - Connect to a remote webserver
• WebClientRepeating - Make repeated HTTP calls to a webserver
• WebServer - Serve a webpage from the WiFi shield
• WebServerAP - Serve a webpage from the WiFi shield starting a local Access Point
• WebServerLed - Turn on and off a led from a webpage
• UdpNTPClient - Query a Network Time Protocol (NTP) server using UDP

Supported APIs

Most of the standard Arduino WiFi library methods are available. Refer to the WiFi library page for more details.

WiFiEsp class

• begin() - Not all authentication types
• disconnect() - YES
• config()
• setDNS() - NO (no AT command available)
• SSID() - YES
• BSSID() - YES
• RSSI() - YES
• encryptionType() - NO (no AT command available)
• scanNetworks() - YES
• getSocket()
• macAddress() - YES

WiFiEspServer class

The WiFiEspServer class creates servers which can send data to and receive data from connected clients (programs running on other computers or devices).

• WiFiEspServer() - YES
• begin() - YES
• available() - YES
• write() - YES
• print() - YES
• println() - YES

Client class

The WiFiEspClient class creates clients that can connect to servers and send and receive data.

• WiFiEspClient() - YES
• connected() - YES
• connect() - YES
• write() - YES
• print() - YES
• println() - YES
• available() - YES
• read() - YES
• flush() - YES
• stop() - YES

WiFiEspUDP class

The UDP class enables UDP message to be sent and received.

• WiFiUDP - YES
• begin() - YES
• available() - YES
• beginPacket() - YES
• endPacket() - YES
• write() - YES
• parsePacket() - YES
• peek()
• read() - YES
• flush()
• stop()
• remoteIP() - YES
• remotePort() - YES

Contributing

If you discover a bug or would like to propose a new feature, please open a new issue.