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Uno+WiFi R3 AtMega328p+NodeMCU ESP8266 4mb Memory USB-TTL CH340G Compatible for Arduino UNO
4.68 ratingsThe Uno+WiFi R3 AtMega328p+NodeMCU ESP8266 4mb Memory USB-TTL CH340G Compatible for Arduino UNO is a value-for-money boards compatible with arduino designed for everyday users. It features Item Type: Development Board and Board Type: Uno. Customers praise its excellent build quality and accurate and reliable. 88% of buyers rate it 4★ or above.
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About This Product
The Uno+WiFi R3 AtMega328p+NodeMCU ESP8266 4mb Memory USB-TTL CH340G Compatible for Arduino UNO is a value-for-money boards compatible with arduino designed for everyday users. Customers highlight its excellent build quality and accurate and reliable.
Key Specifications
- Item Type: Development Board
- Board Type: Uno
- Chip Type: ATmega328P
- Input Voltage (V): 3.3 ~ 5 — works with standard household power
- Current consumption: 800
- USB-to-Serial Converter: CH340G
- VIN/DC Jack (V): 9 ~ 24
- WiFi (Y/N): 802.11 b/g/n 2.4 GHz — fast, stable wireless internet
Customer Verdict
88% of buyers rated this product 4 stars or above. The most appreciated qualities are: excellent build quality, accurate and reliable.
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Uno+WiFi R3 AtMega328p+NodeMCU ESP8266 4mb Memory USB-TTL CH340G Compatible for Arduino UNO is full integration on one board: Uno R3 ATmega 328 and WiFi ESP8266 with memory 4Mb (MegaByte). All of the modules can work together or separately. And everyone has their own pinout headers.
The convenient solution for the development of new projects requiring Uno and WiFi. Via USB you can update sketches and firmware for ATmega328 and for ESP8266. For this onboard have the USB-serial converter CH340G.
It is a modernized version of the classic Arduino UNO R3 board. Full integration of a microcontroller ATmega328 and a Wi-Fi chip ESP8266 with 8 MB memory on one board. All modules can work together or individually. Each of the microcontrollers has led to connecting peripheral sensors and modules.
A convenient solution for developing new projects that require Wi-Fi. Through USB, you can update sketches and firmware for both ATmega328 and ESP8266. For this on board, there is a UART converter CH340G. The board has a DIP switch, which switches the modes of interaction of microcontrollers ATmegaa328 and esp8266.
Table DIP- switch:
| Connection | DIP | ||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | |
| ATmega328<->ESP8266 | ON | ON | OFF | OFF | OFF | OFF | OFF |
| USB <->ATmega328 | OFF | OFF | ON | ON | OFF | OFF | OFF |
| USB<->ESP8266 (Update firmware or sketch) | OFF | OFF | OFF | OFF | ON | ON | ON |
| USB<->ESP8266 (communication) | OFF | OFF | OFF | OFF | ON | ON | OFF |
| All independent | OFF | OFF | OFF | OFF | OFF | OFF | OFF |
Why Consider the Official Boards?
| Feature | Official Arduino Boards | Clone Boards |
| Warranty | ✅ 1-Year Official Warranty | ❌ None / Limited |
| Build Quality | ✅ High-Grade Components | ⚠️ Varies |
| Software Support | ✅ 100% Compatible | ⚠️ May Face Issues |
| Firmware Updates | ✅ Regular Official Releases | ❌ Rare / None |
| Durability | ✅ Long Lifespan & Support | ⚠️ Shorter Life |
Features:
- USB-TTL converter.
- USB5V (500mA max.)Power IN.
- Logic Level: 5V.
- Operating Supply Voltage: 5V.
- Digital I/O Pins: 14.
- Analog I/O Pins: 6.
- Interface Type: serial.
- Operating temperature: −40С°/+125С°.
Package Includes:
1 x Uno+WiFi R3 AtMega328p+NodeMCU ESP8266 4mb Memory USB-TTL CH340G Compatible for Arduino UNO
