Hier werden die Unterschiede zwischen zwei Versionen angezeigt.
Beide Seiten der vorigen Revision Vorhergehende Überarbeitung Nächste Überarbeitung | Vorhergehende Überarbeitung | ||
unipagernextion [2018/08/12 23:22] dh3wr |
unipagernextion [2018/11/12 21:27] (aktuell) oe7bsh [Nextion Touch Display for UniPager] |
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====== Nextion Touch Display for UniPager ====== | ====== Nextion Touch Display for UniPager ====== | ||
- | Every project nowadays reaches for nice user interface. The display models from the company Nextion are quite famous due to their price and capabilities. The connection is made by a 3.3 V UART interface, either by a USB-TTL 3.3 V adapter or via the RasPi's onboard UART, if not already used. The software is written in Pyhton can can be found here. [[https://github.com/rwth-afu/UniPagerNextion|https://github.com/rwth-afu/UniPagerNextion]] | + | Every project nowadays reaches for nice user interface. The display models from the company Nextion are quite famous due to their price and capabilities. The connection is made by a 3.3 V UART interface, either by a USB-TTL 3.3 V adapter or via the RasPi's onboard UART, if not already used. The software is written in Python can can be found here. [[https://github.com/rwth-afu/UniPagerNextion|https://github.com/rwth-afu/UniPagerNextion]] |
Start-Animation of the Displays: | Start-Animation of the Displays: | ||
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View in 19 inch frame: | View in 19 inch frame: | ||
{{ ::unipager:frontansicht.jpg?direct&600 |Ansicht im 19 Zoll Gehäuse}} | {{ ::unipager:frontansicht.jpg?direct&600 |Ansicht im 19 Zoll Gehäuse}} | ||
+ | |||
+ | Possible suppliers: | ||
+ | * https://www.exp-tech.de/displays/lcd/7179/itead-studio-nextion-nx4024t032-generic-3.2-hmi-tft-intelligent-lcd-touch-display-module | ||
+ | * https://www.komputer.de/zen/index.php?main_page=product_info&products_id=354 | ||
+ | |||
===== Supported Display types ===== | ===== Supported Display types ===== | ||
In general, all display types from nextion are supported, but it is recommended to use as minimum the 3,2 inch version in order to have sufficient space on the display. | In general, all display types from nextion are supported, but it is recommended to use as minimum the 3,2 inch version in order to have sufficient space on the display. | ||
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{{::icons:warning.png?direct |}}{{ :icons:warning.png?direct|}}Remember: In the default raspbian image, on Raspberry Pi 3B and Raspberry Pi 3B+, the internal Bluetooth is connected to the internal UART. So as it is quite likely you won't use the Bluetooth, disable it by adding a line | {{::icons:warning.png?direct |}}{{ :icons:warning.png?direct|}}Remember: In the default raspbian image, on Raspberry Pi 3B and Raspberry Pi 3B+, the internal Bluetooth is connected to the internal UART. So as it is quite likely you won't use the Bluetooth, disable it by adding a line | ||
<code>dtoverlay=pi3-disable-bt</code> to ''/boot/config.txt'' and disable the Bluetooth service with | <code>dtoverlay=pi3-disable-bt</code> to ''/boot/config.txt'' and disable the Bluetooth service with | ||
- | <code>sudo systemctl disable hciuart</code>. | + | <code>sudo systemctl disable hciuart</code> |
+ | |||
+ | Also free the UART from the kernel messages by removing | ||
+ | <code>console=serial0,115200</code> from ''/boot/cmdline.txt'' and enable the UART by adding | ||
+ | <code>enable_uart=1</code> to ''/boot/config.txt'' | ||
+ | |||
+ | Further information is just one google search away: [[https://www.raspberrypi.org/documentation/configuration/uart.md|one google search away]]. | ||
- | Reboot your Pi after doing so. | + | Reboot your Pi after doing these actions. |