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You can now incorporate Bluetooth 4.0 Low Energy (BLE) technology easily in your project with our BL..
4M bytes(128M bit) FlashExternal antenna connectorBuilt-in ceramic antennaNew CP2104 USB-TO-UART ICS..
WeMos D1 Mini ESP8266 - 11 digital input/output pins, all pins have interrupt/PWM/I2C/one-wire..
A cool device that you can have while camping. It can also serve as a dim light while studying.Three..