![]() ![]() I am trying to control a 8 channel relay bank, is that possible. Hello thanks for sharing that sketch, it worked well, i am trying to add outputs without much luck. Open the Serial monitor of arduino IDE and enter 1 and you should see the LED turn on similarly entering 2 will turn on second LED and entering the same numbers will turn the LEDs off.Īfter this is done we move on to connect our setup with Smartphone. When you have removed the pins upload the code to arduino and you are ready to go. The ESP32 microcontroller looks like this: Its 6圆 mm. Bluetooth, a simple wireless communication module most popular since the last few decades and easy to use are being used in most of the battery-powered devices. Remove the connection to TX & RX pins of arduino. ![]() Once you have written the code compile it and before you upload you first have to do one thing.(I recommend you write it as it will be easy to understand than just coping it.) ![]()
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