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ESP8266 for NODEMCU with 0.96-inch OLED Extension Temperature Humidity Development Board Meteorological Station Wifi for Arduino
Features:
.The design concept is derived from the open source project NodeMCU. The development board integrates 18650 charge and discharge system, with its own charge and discharge protection, and integrates an OLED and five-way button for easy development.
.This baby operation is consistent with the NodeMCU, adding a programmable LED that can be controlled with GPIO16 to display the operating status of the 8266.
.Integrated OLED and five-way buttons, more convenient to develop, five-way buttons are controlled by FLATH, RSET, D5, D6, D7, DD SDA and SCL are connected to D1 and D2 respectively, 5 digital pins can be configured separately Write/read/interrupt/pwm/I2C/one-wire supported 1 AD input
.Integrated 18650 battery charge and discharge system Micro USB input NodeMCU compatible, wide voltage input range 5V~12V,
.1 switch can control whether the 18650 is powered,
.1 programmable LED (D0) charging protection, discharge protection
.Note: 1. Please do not burn the program during charging. When you burn the program, please unplug the battery and confirm that the switch is in the ON position. 2.This product does not contain 18650 batteries, you can not reverse the connection when installing the battery, otherwise it will burn the charging chip! 3. charging is recommended to use 5V500MA charger for charging, 5V1A above will have a fever, does not affect the normal work, but do not touch the charging chip or carry it during the charging process, the charging chip and diode will rise to about 60 degrees when the charging is measured. It will not heat up during normal work, and you can carry it with confidence.
Specifications:
.Color: As Shown
.Material: PC + Electronic Components
.Product Size: 10.5*3.1*2cm
.Product Weight: 30g
.Package Weight: 35g
.Packing: Electrostatic Bag
Package Content:
.1x ESP8266 for NODEMCU with 0.96-inch OLED Extension Temperature Humidity Development Board
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