Description
Description
It is a customized version of the classic ARDUINO UNO R3 board. Full integration of microcontroller Atmel ATmega328 and IC Wi-Fi ESP8266 with 32 MB flash memory, and USB-TTL converter CH340G on one board. All modules can work together or independently.
Specifications
| Microcontroller | ATmega328 |
| IC Wi-Fi | ESP8266 |
| USB-TTL converter | CH340G |
| Power Out | 5V-800mA |
| Power IN. USB | 5V (500mA max.) |
| Power IN. VIN/DC Jack | 9-24V |
| Power Consumption | 5V 800mA |
| Logic Level | 5V |
| Wifi | Wi-Fi 802.11 b/g/n 2.4 GHz |
| USB | Micro USB |
| Clock Frequency | 16MHz |
| Operating Supply Voltage | 5V |
| Digital I/O | 14 |
| Analog I/O | 6 |
| Memory Size | 32Mb |
| Interface Type | serialOTA |
| Operating temperature | ?40?°/+125?° |
| Length×Width | 53.34×68.58mm |
| Weight | 8 |
| antenna | Buil-inexternal antenna |
Documents
|
Dimensional drawing |
 |
 |
||
|
Pinout |
 |
|
||
|
Schematic |
|
|||
|
Drivers |
 |
 |
 |
 |
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
==========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); } } }
Reviews
There are no reviews yet.