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I have one Arduino and I want to control a Servo motor and other devices. The Servo motor is further away from the Arduino so I want to control it wirelessly. The problem is that I want the Servo to communicate to the Arduino, which in turn communicates to me via wifi, text message, website, etc. I'm guessing I would need two esp8266 chips, one connected to the Servo and one connected to the Arduino. I would also like the other devices to communicate to be via wifi, text message, website as well which are connected to the arduino wired.

closed as unclear what you're asking by Chris Stratton, jfpoilpret, rebatoma, JRobert, KIIV Aug 22 '16 at 7:27

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  • Yes, that sounds about right – Jaromanda X Jun 21 '16 at 2:47
  • Any chance you know what kind of hardware I would need for the esp8266 chip that is connected to the servo? – Akif Manzoor Jun 21 '16 at 6:37
  • Use another Arduino next to the servo. – Paulo Soares Jun 21 '16 at 9:13
  • @PauloSoares that is unecessary. The ESP8266 can generate the servo signals itself. – Chris Stratton Aug 20 '16 at 17:33
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Yes, I agree with @Paulo Soares to use 2 Arduinos.

It makes little sense to make the 2nd wireless jump between the 2 Arduinos using a complex packet protocol such as TCP/IP. This project uses 2 Xbee radios. I suspect it is also possible to accomplish this using COTS model airplane radio. This may be talked about here but it is not clear if the hardware talks to existing R/C hardware or to proprietary hardware.

  • Actually, it is probably better to use 0 Arduinos - the ESP8266 itself is a substantially better computer. It is true that TCP/IP adds some complexity, but I believe lower level schemes are possible. Simpler radio standards are of course an option, but an Xbee will not be cost effective - plenty of cheaper 2.4 GHz radios available. – Chris Stratton Aug 20 '16 at 17:36

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