|Model Number||Mega2560 + WiFi R3|
|Package Dimensions||14.1 x 8.5 x 3.2 cm; 54 Grams|
|Item Weight||54 g|
|Item Model Number||Mega2560 + WiFi R3|
|Date First Available||24 June 2019|
SongHe Mega2560 + WiFi R3 ATmega2560+ESP8266 32Mb Memory USB-TTL CH340G. Compatible for Arduino Mega NodeMCU for WeMos ESP8266
|Price:||+ $7.72 Delivery|
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- Mega2560 + WiFi R3
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Due to word restrictions, the details parameters are on the image，sorry to bring you the trouble
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When sending serial from esp8266 to arduino, dip sw 1 and 2 must be on. The toggle sw also chooses where you send the serial from esp8266, either to serial 0 or serial 3 of the arduino. If you choose serial 0, be sure dip sw 3 and 4 are off as this will conflict with the onboard uart.
Not sure what the mode sw next to esp chip does yet.
But I have successfully connected to wifi to get time from ntp and pass that as serial string to arduino to display on common anode led array for time display.
Nothing wrong with the product that is why I give it 4 stars (as is might not be for entry level person)