3.7V Generic Li-ion Rechargeable BatterySize: 18650Capacity: Unspecified (estimated at least 1200mAh)Charging Voltage: 4.25V MaximumNote: Body color may vary (Blue or light Purple)..
ESP8266EX based Wifi Module with Interface BoardThe **ESP-WROOM-02** is a Wi-Fi module that integrates the ESP8266EX chip. It is designed to be used with external microcontrollers and can be programmed to work as a Wi-Fi communication module or as a Wi-Fi embedded microcontroller. The module has a r..