ESP8266 modules

The ESP8266 is a 3V WiFi module very popular for its Internet of Things applications. ESP8266 is a low-cost Wi-Fi microchip, with a full TCP/IP stack and microcontroller capability, produced by Espressif Systems in Shanghai, China.
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The 3 most popular ESP8266 modules

Modules are printed circuit boards that often have a specific function, such as measuring the temperature, controlling motors or playing sound. These modules have a connection (usually a header) to communicate with a microcontroller such as the Arduino and Raspberry PI.
Webwinkelkeur Kiyoh Trustpilot Opencircuit