UNO+WiFi R3 ATmega328P+ESP8266 CH340 (32Mb memory) 6V-9V USB-TTL CH340G For Arduino NodeMCU WeMos One Development board
SPECIFICATIONS
Brand Name: Keshy
Condition: New
High-concerned chemical: none
Origin: Mainland China
Type: Module
is_customized: Yes
On the board where the switch of mode of operation with 8 position

Switch status and mode selection:
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
|
CH340 connect to ESP8266 (upload sketch) |
OFF |
OFF |
OFF |
OFF |
ON |
ON |
ON |
NoUSE |
CH340 connect to ESP8266 (connect) |
OFF |
OFF |
OFF |
OFF |
ON |
ON |
OFF |
NoUSE |
CH340 connect to ATmega328 (upload sketch) |
OFF |
OFF |
ON |
ON |
OFF |
OFF |
OFF |
NoUSE |
Mega328+ESP8266 |
ON |
ON |
OFF |
OFF |
OFF |
OFF |
OFF |
NoUSE |
All modules work independent |
OFF |
OFF |
OFF |
OFF |
OFF |
OFF |
OFF |
NoUSE |
After choosing the mode of the board can proceed to setting up the IDE
It is important that when the ESP8266 module is programming, it is necessary to press the button “ESP Reboot”

To begin open the Arduino IDE programming environment and go to settings


Then go to the Tools> Board> Boards Manager

In the window that appears, scroll through the list down to the script esp8266 by ESP8266 Community and click.

In the lower right corner will be able to select the version of the software, select the version 2.1.0 (the newest) and click the Install button

After installation, close the window and go to Tools> Board and see the list of available devices on the chip programming ESP8266

Next, you need to select the card as shown in the picture (Generic ESP8266 module)

Select the upload speed - 115200

==========test sketch===========
void setup()
{ Serial.begin(115200);
pinMode(14,OUTPUT);
delay(500);
Serial.println("AT+CIPMUX=1");
delay(2000);
Serial.println("AT+CIPSERVER=1,5000");
delay(2000);
Serial.println("AT+CIPSTO=3600");
delay(2000); }
void loop()
{ while(Serial.available())
{ char Rdata;
Rdata=Serial.read();
if(Rdata=='A'|Rdata=='a')
{ digitalWrite(14,HIGH);
delay(50); }
else if(Rdata=='B'|Rdata=='b')
{ digitalWrite(14,LOW);
delay(10);
digitalWrite(14,HIGH);
delay(10);
digitalWrite(14,LOW); }
else
{ digitalWrite(14,LOW); } } }
Model Number: UNO+WiFi-R3-AT328-ESP8266-32MB-CH340G
is_customized: Yes
Supply Voltage: 6~9V recommind
Type: Logic ICs
Condition: New
MCU: ATmega328
WiFi MCU: ESP8266
USB-converter: CH340G
PinOut Uno: Uno R3
UNO+WiFi R3 ATmega328P+ESP8266 (32Mb memory), USB-TTL CH340G. Compatible for Arduino Uno, NodeMCU, WeMos ESP8266

- Standard Shipping: Standard Shipping (12–18 Business Days)
- Express Shipping: Expedited Shipping (5–9 Business Days)
- Free Shipping: Orders over $199 qualify automatically
- Tracking: Full tracking number provided for all orders
- Returns: 30-day hassle-free return window
- Condition: Items must be unused and in original packaging
- Refund: Full refund processed within 3-5 business days
- Factory Direct: ISO/TS 16949 certified manufacturer
- Quality: 100% electrical continuity tested before shipment
- Experience: 15+ years in automotive connector industry
- Support: Professional technical support available
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