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Questions tagged [rx-pin]

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How to send and receive data from serial using analog pins?

I have L293D shield connected to my arduino UNO and it fills nearly all the digital pins including TX(1) and RX(0) pins. I know this function, but as far as I know, it works for digital pins. ...
Ömer Faruk Navruz's user avatar
-1 votes
1 answer

TX, RX, ON, L LEDs were red at all time

Before seeing this error I did a project with my Uno board using a Bluetooth module. After that, when I powered the board to upload another program, 4 LEDs (L, TX, RX, ON) went red without blinking. ...
Brown's user avatar
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-1 votes
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Parallel communication between multiple Arduino

Here's a post which explained the communication standard. I need to establish communication between multiple Arduino nano board. I have used SPI bus on one of the Arduino board for wireless ...
ShoutOutAndCalculate's user avatar