{"id":109,"date":"2024-02-20T09:00:00","date_gmt":"2024-02-20T09:00:00","guid":{"rendered":"https:\/\/www.tb-software.ch\/ai\/custom-pcb-design\/"},"modified":"2024-02-20T09:00:00","modified_gmt":"2024-02-20T09:00:00","slug":"custom-pcb-design","status":"publish","type":"post","link":"https:\/\/www.tb-software.ch\/ai\/en\/custom-pcb-design\/","title":{"rendered":"Custom PCB Design: Electronic Development with LCD Display"},"content":{"rendered":"<h1>Custom PCB Design: Electronic Development with LCD Display<\/h1>\n<p>Developing custom PCBs is at the heart of our expertise. For this project, we created a fully integrated control board with an LCD display for industrial applications.<\/p>\n<h2>Project requirements<\/h2>\n<p>Our customer required a compact, reliable control unit with the following specifications:<\/p>\n<ul>\n<li><strong>Compact design<\/strong>Maximum dimensions 100x80mm<\/li>\n<li><strong>LCD integration<\/strong>: 2.8\" TFT display for user interface<\/li>\n<li><strong>Robustness<\/strong>Industrial suitability to IP65<\/li>\n<li><strong>Connectivity<\/strong>RS485, CAN bus, Ethernet<\/li>\n<li><strong>power supply<\/strong>-24V DC wide-range input<\/li>\n<\/ul>\n<h2>Design process<\/h2>\n<h3>Circuit design<\/h3>\n<ul>\n<li><strong>Microcontroller<\/strong>STM32F4 series for high performance<\/li>\n<li><strong>Display controller<\/strong>Integrated TFT Controller<\/li>\n<li><strong>Communication<\/strong>Multi-interface design<\/li>\n<li><strong>Protective circuits<\/strong>ESD protection and overvoltage protection<\/li>\n<\/ul>\n<h3>Layout optimization<\/h3>\n<pre><code>Layer-Stack (4-Layer PCB):\n- Top Layer: Komponenten und Signale\n- Ground Plane: Durchgehende Massefl\u00e4che\n- Power Plane: Stromversorgung\n- Bottom Layer: Routing und Komponenten<\/code><\/pre>\n<h3>Thermal management<\/h3>\n<ul>\n<li>Copper areas for heat dissipation<\/li>\n<li>Thermal vias under critical components<\/li>\n<li>Optimized component placement<\/li>\n<\/ul>\n<h2>Production process<\/h2>\n<h3>PCB-Herstellung<\/h3>\n<ul>\n<li><strong>Material<\/strong>FR4 High-Tg<\/li>\n<li><strong>Oberfl\u00e4chenfinish<\/strong>Bleifreies HASL<\/li>\n<li><strong>Via-Technologie<\/strong>Mikro-Vias f\u00fcr dichte Layouts<\/li>\n<li><strong>L\u00f6tstopp<\/strong>Gr\u00fcn, matt<\/li>\n<\/ul>\n<h3>Montage<\/h3>\n<ul>\n<li><strong>SMD components<\/strong>402 up to BGA<\/li>\n<li><strong>Automatic assembly<\/strong>Pick and Place<\/li>\n<li><strong>Reflow soldering<\/strong>Optimized temperature profiles<\/li>\n<li><strong>Quality Control<\/strong>AOI and In-Circuit Testing<\/li>\n<\/ul>\n<h2>software integration<\/h2>\n<h3>Embedded Firmware<\/h3>\n<pre><code class=\"language-c\">\/\/ LCD Initialisierung\nvoid LCD_Init(void) {\n    \/\/ SPI Interface konfigurieren\n    HAL_SPI_Init(&amp;hspi1);\n    \n    \/\/ Display Reset\n    HAL_GPIO_WritePin(LCD_RST_GPIO_Port, LCD_RST_Pin, GPIO_PIN_RESET);\n    HAL_Delay(100);\n    HAL_GPIO_WritePin(LCD_RST_GPIO_Port, LCD_RST_Pin, GPIO_PIN_SET);\n    \n    \/\/ Initialisierungssequenz\n    LCD_WriteCommand(0x01); \/\/ Software Reset\n    HAL_Delay(120);\n}<\/code><\/pre>\n<h3>User interface<\/h3>\n<ul>\n<li><strong>Touch Interface<\/strong>Kapazitive Ber\u00fchrungserkennung<\/li>\n<li><strong>Men\u00fcstruktur<\/strong>Hierarchische Navigation<\/li>\n<li><strong>Datenvisualisierung<\/strong>Echtzeitgrafiken<\/li>\n<li><strong>Mehrsprachigkeit<\/strong>Deutsch\/Englisch<\/li>\n<\/ul>\n<h2>Testen und Validierung<\/h2>\n<h3>Funktionstest<\/h3>\n<ul>\n<li><strong>Elektrische Tests<\/strong>Kontinuit\u00e4t, Isolation<\/li>\n<li><strong>Functional tests<\/strong>All interfaces<\/li>\n<li><strong>Environmental tests<\/strong>Temperature, Humidity<\/li>\n<li><strong>EMV tests<\/strong>CE compliance<\/li>\n<\/ul>\n<h3>Langzeittest<\/h3>\n<ul>\n<li>000-hour endurance test at 85\u00b0C<\/li>\n<li>Vibration testing according to IEC 60068<\/li>\n<li>Temperature cycles from -40\u00b0C to +85\u00b0C<\/li>\n<\/ul>\n<h2>Ergebnisse<\/h2>\n<p>The final PCB meets all requirements:<\/p>\n<ul>\n<li><strong>Size<\/strong>5x75mm (5% below specification)<\/li>\n<li><strong>Stromverbrauch<\/strong>.1W (15% under budget)<\/li>\n<li><strong>MTBF<\/strong>&gt;50,000 hours under industrial conditions<\/li>\n<li><strong>production costs<\/strong>0% below target costs<\/li>\n<\/ul>\n<h2>Application areas<\/h2>\n<p>This PCB technology is ideal for:<\/p>\n<ul>\n<li><strong>industrielle Steuerungen<\/strong>PLC-Erweiterungen<\/li>\n<li><strong>Measurement technology<\/strong>Tragbare Messger\u00e4te<\/li>\n<li><strong>Automotive<\/strong>Pr\u00fcfst\u00e4nde und Diagnostik<\/li>\n<li><strong>Medizintechnik<\/strong>Patienten\u00fcberwachung<\/li>\n<\/ul>\n<h2>Conclusion<\/h2>\n<p>Durch enge Zusammenarbeit zwischen Hardware- und Softwareentwicklung konnten wir eine optimale L\u00f6sung realisieren. Die Kombination aus modernen Design-Tools und bew\u00e4hrten Fertigungsprozessen gew\u00e4hrleistet h\u00f6chste Qualit\u00e4t und Zuverl\u00e4ssigkeit.<\/p>\n<p><strong>Ben\u00f6tigst du eine ma\u00dfgeschneiderte PCB-L\u00f6sung?<\/strong> Wir begleiten dich von der Idee bis zur Serienproduktion!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Development of a custom PCB with integrated LCD display for industrial control applications<\/p>\n","protected":false},"author":1,"featured_media":108,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[7,6,4,5,3,8],"class_list":["post-109","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-iot-embedded","tag-elektronik","tag-embedded","tag-hardware","tag-lcd","tag-pcb-design","tag-stm32"],"_links":{"self":[{"href":"https:\/\/www.tb-software.ch\/ai\/index.php?rest_route=\/wp\/v2\/posts\/109","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tb-software.ch\/ai\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tb-software.ch\/ai\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tb-software.ch\/ai\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tb-software.ch\/ai\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=109"}],"version-history":[{"count":0,"href":"https:\/\/www.tb-software.ch\/ai\/index.php?rest_route=\/wp\/v2\/posts\/109\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.tb-software.ch\/ai\/index.php?rest_route=\/wp\/v2\/media\/108"}],"wp:attachment":[{"href":"https:\/\/www.tb-software.ch\/ai\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=109"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tb-software.ch\/ai\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=109"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tb-software.ch\/ai\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=109"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}