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WeMos D1 R2 WiFi UNO Based ESP8266 For Arduino
$9.99
Price in reward points: 999
Product Code: WEMOS-D-UNO
SKU: 2113101200
Reward Points: 20
Availability: In Stock
SKU: 2113101200
Reward Points: 20
Availability: In Stock
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Fast delivery
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What's new about V2.1.0
Use BRT (Bias Resistor Transistor), easier into flash mode.
Optimize the circuit, the system is more stable.
New Version! Wemos D1 R2 V2.1 nodeMCU meets Uno meets ESP8266 WiFi - Arduino IDE
Features:
Based on the ESP-8266EX.
Arduino Compatible, you can use it on Arduino IDE.
NodeMcu Compatible
11 Digital I/O pins
1 Analog Input pin
OTA -- Wireless Upload(Program)
On board switching power supply -- Max 24V input, 5V 1A output
Pin
Pin Function ESP-8266 Pin
TX TXD TXD
RX RXD RXD
A0 Analog input, max 3.3V input A0
D0 IO GPIO16
D1 IO, SCL GPIO5
D2 IO, SDA GPIO4
D3 IO, 10k Pull-up GPIO0
D4 IO, 10k Pull-up, BUILTIN_LED GPIO2
D5 IO, SCK GPIO14
D6 IO, MISO GPIO12
D7 IO, MOSI GPIO13
D8 IO, 10k Pull-down, SS GPIO15
G Ground GND
5V 5V -
3V3 3.3V 3.3V
RST Reset RST
All of the IO pins have interrupt/pwm/I2C/one-wire support except D0
Programming
The D1 R2 has a micro USB for auto programming.
You can also program it using OTA.
Warnings:All of the IO pins run at 3.3V.
Use BRT (Bias Resistor Transistor), easier into flash mode.
Optimize the circuit, the system is more stable.
New Version! Wemos D1 R2 V2.1 nodeMCU meets Uno meets ESP8266 WiFi - Arduino IDE
Features:
Based on the ESP-8266EX.
Arduino Compatible, you can use it on Arduino IDE.
NodeMcu Compatible
11 Digital I/O pins
1 Analog Input pin
OTA -- Wireless Upload(Program)
On board switching power supply -- Max 24V input, 5V 1A output
Pin
Pin Function ESP-8266 Pin
TX TXD TXD
RX RXD RXD
A0 Analog input, max 3.3V input A0
D0 IO GPIO16
D1 IO, SCL GPIO5
D2 IO, SDA GPIO4
D3 IO, 10k Pull-up GPIO0
D4 IO, 10k Pull-up, BUILTIN_LED GPIO2
D5 IO, SCK GPIO14
D6 IO, MISO GPIO12
D7 IO, MOSI GPIO13
D8 IO, 10k Pull-down, SS GPIO15
G Ground GND
5V 5V -
3V3 3.3V 3.3V
RST Reset RST
All of the IO pins have interrupt/pwm/I2C/one-wire support except D0
Programming
The D1 R2 has a micro USB for auto programming.
You can also program it using OTA.
Warnings:All of the IO pins run at 3.3V.
