Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
H
Ok reading data from arduino is easy but what if you want to set an output on arduino? Did you have some exemple ? From what I have read the arduino modbuslave library does not have a COIL register implemented :( Did you have some solution?