{"id":305,"date":"2025-11-16T22:23:58","date_gmt":"2025-11-16T22:23:58","guid":{"rendered":"https:\/\/stonerose35.ch\/?page_id=305"},"modified":"2025-11-16T22:25:34","modified_gmt":"2025-11-16T22:25:34","slug":"light-signals","status":"publish","type":"page","link":"https:\/\/stonerose35.ch\/?page_id=305","title":{"rendered":"Light Signals &#8230;."},"content":{"rendered":"\n<p>For a local school project I designed a little soldering task revolving around story about an extraterrestrial species who left a piece of tech (the PCB to assemble). The PCB itself is an atmega8 controlling a single RGB LED. Two potentiometers set the brightness (&#8220;H\u00e4uer&#8221; which means &#8220;brighter&#8221; in swissgerman, and &#8220;Schn\u00e4uer&#8221; which means faster in sg) and speed of a hue shift effect.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" data-id=\"310\" src=\"https:\/\/stonerose35.ch\/wp-content\/uploads\/2025\/11\/lightsignals_small.jpg\" alt=\"\" class=\"wp-image-310\" srcset=\"https:\/\/stonerose35.ch\/wp-content\/uploads\/2025\/11\/lightsignals_small.jpg 768w, https:\/\/stonerose35.ch\/wp-content\/uploads\/2025\/11\/lightsignals_small-225x300.jpg 225w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"826\" height=\"740\" data-id=\"306\" src=\"https:\/\/stonerose35.ch\/wp-content\/uploads\/2025\/11\/image.png\" alt=\"\" class=\"wp-image-306\" srcset=\"https:\/\/stonerose35.ch\/wp-content\/uploads\/2025\/11\/image.png 826w, https:\/\/stonerose35.ch\/wp-content\/uploads\/2025\/11\/image-300x269.png 300w, https:\/\/stonerose35.ch\/wp-content\/uploads\/2025\/11\/image-768x688.png 768w\" sizes=\"auto, (max-width: 826px) 100vw, 826px\" \/><\/figure>\n<\/figure>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\"><\/figure>\n\n\n\n<p><br> By successively adding switches to certain pins the student can gradually unlock additional functionality, eventually find the LED to be blinking in a Morse pattern which they can decode.<br>The projected is intended for a group of 9-12 jears old kids for a group of around 8 kids per instructor taking half a day for completion.<\/p>\n\n\n\n<p><strong>Required Material<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>PCB with Micro-USB connector presoldered<\/li>\n\n\n\n<li>Atmega8, Resistors, LED, Capacitor (see parts list below)<\/li>\n\n\n\n<li>Soldering Iron<\/li>\n\n\n\n<li>Solder<\/li>\n\n\n\n<li>Switches <\/li>\n\n\n\n<li>Wirecutter <\/li>\n\n\n\n<li>Wire Stripper<\/li>\n\n\n\n<li>Desoldering pump and\/or desolder wick <\/li>\n\n\n\n<li>A few USB-Powerbanks<\/li>\n\n\n\n<li><a href=\"https:\/\/docs.arduino.cc\/built-in-examples\/arduino-isp\/ArduinoISP\/\">Arduino as AVR-Programmer<\/a> <\/li>\n\n\n\n<li>PC able to transfer the firmware<\/li>\n<\/ul>\n\n\n\n<div data-wp-interactive=\"core\/file\" class=\"wp-block-file\"><object data-wp-bind--hidden=\"!state.hasPdfPreview\" hidden class=\"wp-block-file__embed\" data=\"https:\/\/stonerose35.ch\/wp-content\/uploads\/2025\/11\/saschu_anleitung.pdf\" type=\"application\/pdf\" style=\"width:100%;height:600px\" aria-label=\"Einbettung von Instruction for participants.\"><\/object><a id=\"wp-block-file--media-9e908df0-88fd-4ad4-abec-10c3c77d00ba\" href=\"https:\/\/stonerose35.ch\/wp-content\/uploads\/2025\/11\/saschu_anleitung.pdf\">Instruction for participants<\/a><a href=\"https:\/\/stonerose35.ch\/wp-content\/uploads\/2025\/11\/saschu_anleitung.pdf\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-9e908df0-88fd-4ad4-abec-10c3c77d00ba\">Herunterladen<\/a><\/div>\n\n\n\n<p><strong>Parts List<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li> 3x 120 Ohm Resistor<\/li>\n\n\n\n<li>1x 10 kOhm Resistor <\/li>\n\n\n\n<li>RGB Led, Common Anode, Layout BGAR (Pin1: Blue, Pin2: Green, Pin3: Anode, Pin4: Red)<\/li>\n\n\n\n<li>2x 22k Piher Potentiometers<\/li>\n\n\n\n<li>1x 1uF polarized Capacitor, 16v or higher<\/li>\n\n\n\n<li>1x Atmega8, DIL-28 Format<\/li>\n\n\n\n<li>2.54mm Pinheader <\/li>\n<\/ul>\n\n\n\n<p><strong>Resources<\/strong><\/p>\n\n\n\n<div class=\"wp-block-file\"><a id=\"wp-block-file--media-79b9e77d-d334-4463-9206-50ac7b369c6b\" href=\"https:\/\/stonerose35.ch\/wp-content\/uploads\/2025\/11\/lightsignals.zip\">Resources: Schematics and Firmware<\/a><a href=\"https:\/\/stonerose35.ch\/wp-content\/uploads\/2025\/11\/lightsignals.zip\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-79b9e77d-d334-4463-9206-50ac7b369c6b\">Herunterladen<\/a><\/div>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>For a local school project I designed a little soldering task revolving around story about an extraterrestrial species who left a piece of tech (the PCB to assemble). The PCB itself is an atmega8 controlling a single RGB LED. Two potentiometers set the brightness (&#8220;H\u00e4uer&#8221; which means &#8220;brighter&#8221; in swissgerman, and &#8220;Schn\u00e4uer&#8221; which means faster [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":21,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-305","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/stonerose35.ch\/index.php?rest_route=\/wp\/v2\/pages\/305","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/stonerose35.ch\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/stonerose35.ch\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/stonerose35.ch\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/stonerose35.ch\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=305"}],"version-history":[{"count":2,"href":"https:\/\/stonerose35.ch\/index.php?rest_route=\/wp\/v2\/pages\/305\/revisions"}],"predecessor-version":[{"id":311,"href":"https:\/\/stonerose35.ch\/index.php?rest_route=\/wp\/v2\/pages\/305\/revisions\/311"}],"up":[{"embeddable":true,"href":"https:\/\/stonerose35.ch\/index.php?rest_route=\/wp\/v2\/pages\/21"}],"wp:attachment":[{"href":"https:\/\/stonerose35.ch\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=305"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}