D1 R2 WiFi UNO based ESP8266 for nodemcu ESP - 12S
What's new about V2.1.0
Use BRT (Bias Resistor Transistor), easier into flash mode.
Optimize the circuit, the system is more stable
Based on the ESP-8266EX.
Ard Compatible, you can use it on IDE.
Node Mcu 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
*All IO have interrupt/pwm/I2C/one-wire supported(except D0)
Programming: The D1 R2 has a micro USB for auto programming. Also you can programming it using OTA
Warning: All IO is work at 3.3V.
Shenzhen Xin Yuan Electronic is a high-tech company with 10 years of design and R&D experience,specialized in the developing and manufacturing electronic products: development board, Wifi bluetooth module, such as ESP32, TTGO series module, etc.
Our company owns a number of independent research&development products and obtain unanimously approved customers, with powerful R&D team and marketing team.
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We can customize the items as per your request, welcome to customize products from us.