/technologies/embedded/b/blog/posts/stm32h7b3i---touchgfx-simple-example-react-on-a-button-clickI&#39;m selected for the STM32H7B3I-DK - DISCOVERY KIT road test.In this part of the review, I&#39;m writing a first custom handler for a button click. The scenario is simple: you click a button, and that makes a square show up and disappear...en-USTelligent Community 12https://community.element14.com/technologies/embedded/b/blog/posts/stm32h7b3i---touchgfx-simple-example-react-on-a-button-clickSat, 08 Aug 2020 17:41:55 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:e3f08300-b98c-4f04-8e81-344f8d45afedDAB0<p>Good process walk through Jan.</p><p>&nbsp;</p><p>DAB</p><img src="https://community.element14.com/aggbug?PostID=9692&AppID=7&AppType=Weblog&ContentType=0" width="1" height="1">https://community.element14.com/technologies/embedded/b/blog/posts/stm32h7b3i---touchgfx-simple-example-react-on-a-button-clickFri, 07 Aug 2020 16:12:38 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:e3f08300-b98c-4f04-8e81-344f8d45afedJan Cumps1<p>I got UART working too now. </p><p><span>[View:/resized-image/__size/570x561/__key/commentfiles/f7d226abd59f475c9d224a79e3f0ec07-e3f08300-b98c-4f04-8e81-344f8d45afed/contentimage_5F00_192188.png:570:561]</span></p><p>&nbsp;</p><p>This is a naive and random try. Just echoing any character arriving at the port.</p><p>I&#39;ll embed it in the rtos tasks now for my road test example project. It&#39;ll exchange SCPI commands with my electronic load to query data and set modes...</p><img src="https://community.element14.com/aggbug?PostID=9692&AppID=7&AppType=Weblog&ContentType=0" width="1" height="1">