I am working on an application wherein tilt data generated by ADXL345 are used to detect status of a sinking area near a railway track. The status is then communicated to concerned authorities via SMS generated by a GSM 900 module, LCD display for visual feedback at site and three LEDs (GREEN / YELLOW / RED) as additional input.
I am new to Arduino application. I want to know how far can I place ADXL from Arduino Board, and how far can i place GSM and LCD from the Arduino.
Thanks.
There's no answer to that question. Why put the Arduino away from the periferals instead of keeping them as close as possible ?
Hello
did you read the interface specification of the selected interface?
You will often run into trouble with distances longer than a few cm between the Arduino and a sensor or display.
To send data over wires more than a meter or two long usually requires a special interface. RS485 serial adapters can be used with hundreds of meters of twisted wire cable, or use radio to send data over long distances.
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