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NodeId, ChildId and EEPROM

nono056 last edited by

Hye everybody!
I have a trouble...

(The sketch used is RelayActuator)

If a clear my eeprom with the sketch in the example, and if i upload a new sketch after, nothing appened. Zero message in the serial gateway and zero message in the serial of the sensor.
If i specify a NodeId, nothing else...

The solution : i clear eeprom with the original sketch of arnduino (with 0 and not 255 or 0xff) and upload a new sketch, messages are send.

If i specify a NodeId, the message is : 1;255;0;0;18;1.4
Is there a problem with my childId? why 255? and why there isn't the sketch name which appear in the serial gateway? Why is there no message when i clear EEPROM whith the "official" method?

I don't understand.

Please help me!!!!
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@Fabien: Thanks!
eeprom address for node id
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If you use the MySensors provided functions (saveState) you can store 256 bytes without overwritnig anything.
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I got it running again by clearing the eeprom of the gateway and downloading the sketch of the gateway again.
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The choice of MOSFET can be tricky. Seems that irlz44n was discontinued so you may need to find one adapted to the voltage and current you want to handle. In all the cases you need to get a logic MOSFET too, meaning that they are fully open usually around 1 to 3V. Also I'm sort of confused as it seems to me that L7812CV is a Voltage regulator, not a MOSFET. So if you are actually using that in the MOSFET spot it will definitively not work. Especially if you are handling high current or voltage I would recommend using one from a reputable source for your MOSFET, I recently switched from mouser / digikey / aliexpress to mostly use http://www.arrow.com as you get free regular shipping, event if you order a couple of components (no affiliation to them whatsoever).
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thanks, i'll give it a try.
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Ok, thanks. I'll try to use some extra repeaters then. Boozz
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@Gambituk I believe you can force the parent ID like this: "gw.begin(NULL,22,false,0);". The last number is the parent ID. Looks like I misread the original issue as in my mind I saw 255, not 25 Cheers Al

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