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Feature

Note: This item comes unassembled, soldering of headers is required. Lithium battery is not included.
Link to download English documentation and pinout diagram: https://www.adrive.com/public/drzr3P/datasheet%20F000905.rar https://drive.google.com/open?id=0B8DSGdAr8_31d19WQmN6SE1fLVE, https://github.com/Heltec-Aaron-Lee/WiFi_Kit_series
Can be programmed forArduino and NodeMCU environments. Operation is consistent with NodeMCU
Integrated 0.91-inch 128 * 32 OLED
12 digital pins can be configured to read, write, IIC, SPI, the middle, PWM and other functions; 1 AD input, Working voltage: 3.3V 7V.

Description

WIFI Kit 8 is developed by our company cost-effective networking development program, the master chip using ESP8266, with CP2104 USB to serial chip, lithium battery interface and charge and discharge circuit, 32MByte Flash, WIFI antenna, 0.91-inch OLED display.
Can be programmed for Arduino and NodeMCU environments. Operation is consistent with NodeMCU.
Leads all pins of ESP8266
12 digital pins can be configured to read, write, IIC, SPI, the middle, PWM and other functions
1 AD input
Integrated 0.91-inch 128 * 32 OLED
Working voltage: 3.3V ~ 7V

Specification:

Flash: 32Mbyte.
Master chip: ESP8266.
OLED: 0.91 inch /128 * 32.
USB adapter chip: CP2102.
Operating temperature: -40-90 Celsius.
Support mode: softAp, station, softAp + station, WIFI-Direct.
Output power: 19.5 dBm @ 11b,16.5 dBm @ 11g, 15.5 dBm @ 11n.

Packaging Including:
1* 0.91 Inch ESP8266 OLED Display Development Board (Not soldered)