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2109, 2020

The Sunday Blog: Understanding and Customizing HMI components – Part 5: Custom switches and enhanced radio buttons

By |September 21st, 2020|

This week, we'll continue learning techniques for efficient and resource saving GUI design. This week's example project requires just 72 bytes of the 3584 precious ram bytes, although we have three switches and five radio buttons on our screen. While the generic Switch component is only available on the Intelligent P series screens, and while the generic Radio components don't de-click one another, everything here is realized as usual on a simple NX4024T032_11 Basic series screen!

1409, 2020

The Sunday Blog: Understanding and Customizing HMI components – Part 4: The picture component and animations

By |September 14th, 2020|

Today, we'll have a closer look to the picture component, first, and then see, how we can use it for animations without using too many resources or eating up too much of the precious RAM, even on the NEXTION Basic (T) series.

3108, 2020

The Sunday Blog: Understanding and Customizing HMI components – Part 3: Color encoding, Sliders, Subroutines, and a Hue control

By |August 31st, 2020|

As promised in last week's episode, we will discover today another great feature of the hotspot component, in conjunction with the slider component to learn more about Nextion's RGB565 color encoding scheme. We'll use all that to build a tiny hue control with a 3.2" Standard HMI, as usual.

2408, 2020

The Sunday Blog: Understanding and Customizing HMI components – Part 2: A project without visible components

By |August 24th, 2020|

After we had looked into some basics of touch GUI technology and NEXTION's advantages over proprietary solutions, last week, and we made acquaintance with the most elementary and simple hotspot component, it's time to move on. Most other components inherit from the hotspot since they have the same attributes (plus more specific ones in addition) and they have identical Touch Press and Touch Release events and the corresponding Send Component ID functionality. Out of that, the hotspot gives us another huge advantage for optimizing our Nextion code, but we will look into that in a further episode.