WiFi R3 ATmega328P+ESP8266 (32Mb memory) USB-TTL CH340G Development Board Fit for NodeMCU

$ 16.99

Features:

Fully integrated on one board, the memory is 32Mb.
All modules can work together or separately.
Each has its own pin.
Develop a convenient solution for new projects that require WiFi.
With USB, you can update the sketches and firmware of the ATmega328 and ESP8266. To this end, the onboard USB-serial converter CH340G.
It is very simple to use this board.
The board has a DIP switch for connecting the module. For example: USB and ATmega328, USB and ESP8266, ATmega328 and ESP8266.

Specification:

DIP Switch:

Package List:

1 x Development Board

Note:

Please allow slight error due to manual measurement. Thanks for your understanding.

Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.

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

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