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Update README.md #30

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@ -99,19 +99,23 @@ WantedBy=default.target
- To let user services continue running after logging out: - To let user services continue running after logging out:
- `sudo loginctl enable-linger $USER` - `sudo loginctl enable-linger $USER`
***
# Disclaimer:
**I am not responsible of possible damage to your device if you choose to follow these instructions**
**The manufacturer may void your warranty if you choose to follow these instructions**
***
### Connecting to the Pingvin unit ### Connecting to the Pingvin unit
#### RPi/computer running the daemon
- Connect an RS-485 adapter to the computer you intend to run the daemon on - Connect an RS-485 adapter to the computer you intend to run the daemon on
- Tested only on a RPi 4B and Zero W 1 with the Zihatec RS-485 HAT - Tested only on a RPi 4B and Zero W 1 with the Zihatec RS-485 HAT
- You may need terminating resistors in your adapter, see documentation of your adapter. - You may need terminating resistors in your adapter, see documentation of your adapter.
- Ensure the user you intend to run the daemon as has read/write privileges to the serial device. - Ensure the user you intend to run the daemon as has read/write privileges to the serial device.
- No need to run the daemon as root, and it is not recommended - No need to run the daemon as root, and it is not recommended
# Disclaimer: #### Pingvin
**I am not responsible of possible damage to your device if you choose to follow these instructions**
**The manufacturer may void your warranty if you choose to follow these instructions**
- Shut down the main power of the unit - Shut down the main power of the unit
- Disconnect the device from mains, discharge any static electricity before proceeding - Disconnect the device from mains, discharge any static electricity before proceeding
- A new motherboard seems to cost close to 1000€ + labour - A new motherboard seems to cost close to 1000€ + labour
@ -121,14 +125,16 @@ should be enough length in the wires to move the lid with the switch connected o
- Locate the green RS-485 connector on the motherboard, should be on the right edge - Locate the green RS-485 connector on the motherboard, should be on the right edge
- 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) - 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)
![IMG_20230114_133824](https://user-images.githubusercontent.com/50285623/229898136-ce7dc020-6c33-4605-86ff-5285000cbbd2.jpg) ![IMG_20230114_133824](https://user-images.githubusercontent.com/50285623/229898136-ce7dc020-6c33-4605-86ff-5285000cbbd2.jpg)
- 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 - There should be available outlet holes to pass the wires through on the top of the electronics compartment.
- The connector has a detachable plug part. Grab the top of the connector (the part with the screws) with plyers and carefully pull it out. This will make attaching the wire much easier
- Attach wires by tightening the screws in the connector - Attach wires by tightening the screws in the connector
- There should be available holes to pass the wires through on the top of the electronics compartment
- Connect **A connector to A connector and B to B**. (they are not Tx/Rx like in many other serials) - Connect **A connector to A connector and B to B**. (they are not Tx/Rx like in many other serials)
- **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. - **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.
![IMG_20230114_133936](https://user-images.githubusercontent.com/50285623/229900176-5bac0027-80c6-4702-ab74-0ff2b9739507.jpg)
- Plug the plug back to the Pingvin motherboard and close the cover and screws - Plug the plug back to the Pingvin motherboard and close the cover and screws
- Reconnect mains and switch both devices onhttps://doc.enervent.com/op/op.ViewOnline.php?documentid=940&version=1 ![IMG_20230114_135258](https://user-images.githubusercontent.com/50285623/229899975-45126a64-7344-4ca0-bfba-c4e524ebe2f8.jpg)
- Mixing A and B should be safe and won't break anything, but the daemon won't work. If that's the case, disconnect powers again and switch the wires on the RPi. - Reconnect mains and switch both devices on
- Mixing A and B should be safe and won't break anything, but the daemon won't work. If that's the case, disconnect power again and switch the wires on the RPi end.
### Home Assistant ### Home Assistant