UNIVERSAL WeMos D1 Esp-Wroom-02 Motherboard ESP8266 Mini-WiFi NodeMCU Module 18650 Battery

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WeMos D1 Esp-Wroom-02 Motherboard ESP8266 Mini-WiFi NodeMCU Module 18650 Battery OLED



Charging Protection:Yes

Discharge Protection:Yes

Compatible With Arduino

Compatible With NodeMCU

Wide Voltage Input Range: 5V~12V

Charge Current:500 mA

Size(L*W*H):102 x 30 x 20 mm

Display Size: 0.96 Inch


1.One AD inputs.

2.Micro USB inputs.

3.One programmable LED (D0).

4.Integrated 18650 battery charging and discharging system.

5.One switch controls whether the 18650 battery is powered or not.

6.OLED's SDA and SCL connect to the D1 pin and the D2 pin respectively.

7.The five buttons are controlled by FLATH, RSET, D5, D6, and D7 respectively.

8.The 5 Digital pins can configure the write/read/interrupt/pwm/I2C/one-wire supported separately.

and NodeMCU consistent, adding a programmable LED, you can use GPIO16
to control, display 8266 running status and other functions. Integrated
OLED and five button, more convenient for development.

10.The design
concept originates from the open source project NodeMCU, and the
development board integrates 18650 charging and discharging systems with
charging and discharging protection. At the same time, a OLED and five
directional buttons are integrated to facilitate the development.

Package Included:

1 x ESP8266 Mini-WiFi NodeMCU Module With 10 Pins


1.Manual measuring, please allow 1 ~ 5 mm error,thank you.

2.This product does not contain 18650 batteries.If the battery is in the wrong direction, the charging chip will be destroyed.

do not burn the program during charging. When you burn the program,
please unplug the battery and verify the switch is in ON position.

the use of 5V 500mA charging charger, more than 5V 1A there will be
fever, does not affect the normal work, but in the process of charging
charging chip do not touch or carry, the measured charge charging will
rise to about 60 degrees with the diode chip, no heat during normal
working hours, rest assured to carry.







Key Features
1 x ESP8266 Mini-WiFi NodeMCU Module With 10 Pins
One AD inputs.
Wide Voltage Input Range: 5V~12V
Charging Protection:Yes
Size(L*W*H):102 x 30 x 20 mm
Display Size: 0.96 Inch
1 x ESP8266 Mini-WiFi NodeMCU Module With 10 Pins
One AD inputs.
Specifications of WeMos D1 Esp-Wroom-02 Motherboard ESP8266 Mini-WiFi NodeMCU Module 18650 Battery
Size (L x W x H cm)
8 x 8 x 2
Weight (kg)
Main material
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You can return this product for a refund immediately on the spot of receiving your original order. You can ONLY return the product if the product is a wrong product or damaged. You cannot cancel the product if you change your mind.

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