The ESP8266 Development Board with 18650 Battery is an integrated solution designed for IoT projects and enthusiasts. It features the ESP-WROOM-02 module, which houses the ESP8266EX chip, providing Wi-Fi connectivity and powerful processing capabilities. The board includes a holder for a standard 18650 lithium-ion battery, along with built-in charging circuitry that offers overcharge and over-discharge protection, ensuring the longevity of the battery. An SMT connector on the board allows for easy implementation of sleep modes to conserve energy, while 10 digital pins support various functions such as read/write operations, interrupts, PWM, and I2C communication.
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