WiFi Kit 8 is a classic IoT dev-board, it’s a highly integrated product based on ESP8266 (Wi-Fi), Li-Po battery management system, 0.91″ OLED is also included. It’s the best choice for smart cities, smart farms, smart homes, and IoT makers.
WiFi Kit 8 with the following features:
Microprocessor: ESP8266[ https://www.espressif.com/sites/default/files/documentation/0a-esp8266ex_datasheet_en.pdf ];
Micro USB interface with a complete voltage regulator, ESD protection, short circuit protection, RF shielding, and other protection measures;
Onboard SH1.25-2 battery interface, integrated lithium battery management system (charge and discharge management, overcharge protection, battery power detection, USB / battery power automatic switching);
Onboard 2.4GHz (for Wi-Fi) PCB antenna;
Onboard 0.91-inch 128*32 dot matrix OLED display, which can be used to display debugging information, battery power and other information;
Integrated CP2104 [ https://docs.heltec.cn/#/en/user_manual/establish_serial_connection ] USB to serial port chip, convenient for program downloading, debugging information printing;
Compatible with the Arduino development environment[ https://docs.heltec.cn/#/en/user_manual/how_to_install_esp8266_Arduino ].
1 * ESP8266 development board with OLED
2 * Pin headers