What is esp-m2?

ESP-M2 is a Wi-Fi module developed by Espressif Systems. It is based on the ESP8266 chip and offers a cost-effective solution for adding Wi-Fi connectivity to any device. The module comes with pre-programmed firmware, making it ready to use out of the box. It operates on the IEEE 802.11b/g/n protocol and supports UART, SPI, and I2C interfaces.

The ESP-M2 module is small in size, measuring only 14mm x 14mm, making it easy to integrate into any project. It has an onboard antenna, but it also has a uFL connector for an external antenna. The module can operate on a voltage range of 3.0V to 3.6V and has a low power consumption making it ideal for battery-powered applications.

The ESP-M2 comes with the ESP8266 SDK, which provides a range of software libraries to help with embedded software development. The SDK also includes support for MQTT, CoAP, and WebSocket protocols, making it easy to connect to cloud platforms.

Overall, the ESP-M2 is a versatile and affordable Wi-Fi module that is an excellent choice for anyone looking to add wireless connectivity to their project.