Update README.md #30
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@ -102,8 +102,8 @@ WantedBy=default.target
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### Connecting to the Pingvin unit
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### Connecting to the Pingvin unit
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- Connect an RS-485 adapter to the computer you intend to run the daemon on
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- Connect an RS-485 adapter to the computer you intend to run the daemon on
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- Tested only on a RPi 4B and Zero W 1 with the Zihatec RS-485 HAT
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- Tested only on a RPi 4B and Zero W 1 with the Zihatec RS-485 HAT
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- You may need terminating resistors in your adapter, see documentation
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- You may need terminating resistors in your adapter, see documentation of your adapter.
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- Ensure the user has read/write privileges to the serial device.
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- Ensure the user you intend to run the daemon as has read/write privileges to the serial device.
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- No need to run the daemon as root, and it is not recommended
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- No need to run the daemon as root, and it is not recommended
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# Disclaimer:
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# Disclaimer:
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@ -117,9 +117,13 @@ WantedBy=default.target
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- A new motherboard seems to cost close to 1000€ + labour
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- A new motherboard seems to cost close to 1000€ + labour
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- Open the cover in which the power switch is attached to. No need to disconnect the switch, there
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- Open the cover in which the power switch is attached to. No need to disconnect the switch, there
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should be enough length in the wires to move the lid with the switch connected out of the way
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should be enough length in the wires to move the lid with the switch connected out of the way
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![IMG_20230114_133625](https://user-images.githubusercontent.com/50285623/229897490-33d917be-9dea-4b74-bfed-c7b25f9f45f6.jpg)
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- Locate the green RS-485 connector on the motherboard, should be on the right edge
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- Locate the green RS-485 connector on the motherboard, should be on the right edge
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- Schematics available from Enervent at [https://doc.enervent.com/op/op.ViewOnline.php?documentid=940&version=1](https://doc.enervent.com/op/op.ViewOnline.php?documentid=940&version=1), page 38 (finnish)
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- Schematics available from Enervent at [https://doc.enervent.com/op/op.ViewOnline.php?documentid=940&version=1](https://doc.enervent.com/op/op.ViewOnline.php?documentid=940&version=1), page 38 (finnish)
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![IMG_20230114_133824](https://user-images.githubusercontent.com/50285623/229898136-ce7dc020-6c33-4605-86ff-5285000cbbd2.jpg)
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- The connector has a detachable plug part. Grab the top of the connector with plyers and carefully pull it out. This will make attaching the wire much easier
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- The connector has a detachable plug part. Grab the top of the connector with plyers and carefully pull it out. This will make attaching the wire much easier
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- Attach wires by tightening the screws in the connector
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- There should be available holes to pass the wires through on the top of the electronics compartment
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- Connect **A connector to A connector and B to B**. (they are not Tx/Rx like in many other serials)
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- Connect **A connector to A connector and B to B**. (they are not Tx/Rx like in many other serials)
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- **NOTE:** After reading quite a few forum posts, many RS-485 adapters seem to have printed the A and B the wrong way, I wouldn't be surprised if this was the case with Pingvin too.
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- **NOTE:** After reading quite a few forum posts, many RS-485 adapters seem to have printed the A and B the wrong way, I wouldn't be surprised if this was the case with Pingvin too.
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- Plug the plug back to the Pingvin motherboard and close the cover and screws
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- Plug the plug back to the Pingvin motherboard and close the cover and screws
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