{"id":183330,"date":"2026-09-11T22:53:55","date_gmt":"2026-09-11T20:53:55","guid":{"rendered":"https:\/\/prohoster.info\/blog\/news\/vypusk-esp-kvm-0-45-0-otkrytoj-proshivki-ip-kvm-na-baze-esp32-p4"},"modified":"2026-09-11T22:53:59","modified_gmt":"2026-09-11T20:53:59","slug":"esp-kvm-0-45-0-released-open-source-ip-kvm-firmware-based-on-esp32-p4","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/esp-kvm-0-45-0-released-open-source-ip-kvm-firmware-based-on-esp32-p4","title":{"rendered":"Udgivelsen af ESP-KVM 0.45.0, den \u00e5bne firmware til IP-KVM baseret p\u00e5 ESP32-P4","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Udgaven af ESP-KVM-projektet, som udvikler en \u00e5ben firmware, der forvandler en udviklingsplade med mikrokontrolleren ESP32-P4 til en fuldgyldig IP-KVM \u2014 en enhed, der giver adgang til sk\u00e6rm, tastatur og mus p\u00e5 en fjerncomputer gennem en browser. I mods\u00e6tning til fjernskrivebordsredskaber kr\u00e6ves der ingen installation p\u00e5 den styrede maskine, og den kr\u00e6ver ikke noget fra dens operativsystem: enheden tilsluttes videoudgangen og USB-porten og fungerer, n\u00e5r computeren viser BIOS-interface, starter op, st\u00e5r med en tom disk eller er slukket. Koden er skrevet i C og distribueres under Apache 2.0-licensen.    <\/p>\n<p>Enheden er sammensat af to sm\u00e5 kredsplader: en plade med ESP32-P4 og en capture-plade med chippen TC358743, som konverterer HDMI-signalet til MIPI-CSI. Herefter bliver billedet kodet af de hardwarekodere, der er indbygget i mikrokontrolleren \u2014 H.264 eller MJPEG \u2014 og sendt til browseren. Tastatur og mus forbindes til den m\u00e5lrettede maskine via USB OTG, hvilket betyder, at den opfatter de almindelige inputenheder, og kr\u00e6ver ingen drivere. P\u00e5 referencepladen opn\u00e5edes omkring 20-24 billeder per sekund ved 1920\u00d71080 og op til 45 ved 1280\u00d7720.    <\/p>\n<p>Mulighederne inkluderer:  <\/p>\n<ul>\n<li class=\"l\"> At l\u00e6se tekstsk\u00e6rmen som tekst, og ikke som et billede: indholdet af BIOS-konsollen, bootloaderen eller Linux-konsollen genkendes af tegngeneratoren og overf\u00f8res som tegn \u2014 sk\u00e6rmen kr\u00e6ver kun et par kilobyte i stedet for megabyte, og serienummer eller fejlkode kan fremh\u00e6ves med musen og kopieres.\n<li class=\"l\"> Overv\u00e5gning af sk\u00e6rmen baseret p\u00e5 bestemte s\u00e6tninger med meddelelser, n\u00e5r ingen overv\u00e5ger enheden.\n<li class=\"l\"> Str\u00f8mstyring af m\u00e5let via optokobler (t\u00e6nd\/sluk-knapper og nulstilling, overv\u00e5gning af indikator), Wake-on-LAN og v\u00e6kkelse af en sovende maskine via USB.\n<li class=\"l\"> Indbyggede WireGuard og Tailscale, inklusive muligheden for at arbejde med en egen styringsenhed <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/da\/server\/dts-prohoster\/\"   title=\"serveren\" data-wpil-keyword-link=\"linked\">serveren<\/a> Headscale.\n<li class=\"l\"> Integration med Home Assistant via MQTT: sensorer, knapper, firmwareopdateringsenhed og kamera med screenshot af m\u00e5let.\n<li class=\"l\"> HTTPS med et certifikat, som enheden selv genererer, adgang med password og fysisk nulstilling af password med knappen p\u00e5 kredsl\u00f8bet; det er muligt at uploade sit eget certifikat.\n<li class=\"l\"> Firmwareopdatering over netv\u00e6rk med to slots og automatisk tilbagef\u00f8rsel, n\u00f8dimage gemt i intern flash-hukommelse og et access point med portal, hvis der ikke er netv\u00e6rk.\n<li class=\"l\"> En lille status-sk\u00e6rm (I2C OLED eller rund GC9A01) med adresse, link-status og temperatur.\n<li class=\"l\"> Virtuelle medier: Et diskbillede fra microSD-kortet gives til m\u00e5let som en bootbar USB-n\u00f8gle, hvilket muligg\u00f8r installation af systemet p\u00e5 en maskine med en tom disk.  <\/ul>\n<p>Firmware samles til ti varianter af kredsl\u00f8bene, herunder Waveshare ESP32-P4-ETH, ESP32-P4-NANO og ESP32-P4-WIFI6, Espressif ESP32-P4 Function EV, Guition ESP32-P4-M3-Dev og M5Stack Unit PoE-P4. F\u00e6llesskabet har skabt flere kabinetter til det mest popul\u00e6re kredsl\u00f8b, Waveshare ESP32-P4-ETH. Der kan firmware-uploades direkte fra browseren uden installation af v\u00e6rkt\u00f8jer.     <\/p>\n<p>I version 0.45.0 er der tilf\u00f8jet support til to boards \u2014 Waveshare ESP32-P4-Module-DEV-KIT og DFRobot FireBeetle 2 ESP32-P4 \u2014 og der er offentliggjort en analyse af, hvilke boards p\u00e5 ESP32-P4 der ikke er egnede til denne opgave, og hvorfor.       <center>  <div class=\"youtube-placeholder\" data-id=\"QGABqgAR5H0\" onclick=\"loadVideo(this)\">\r\n        <img decoding=\"async\" src=\"https:\/\/img.youtube.com\/vi\/QGABqgAR5H0\/hqdefault.jpg\" alt=\"Afspil video\" loading=\"lazy\" width=\"480\" height=\"360\" style=\"width:100%;height:auto;\">\r\n        <div class=\"play-button\"><\/div>\r\n    <\/div>  <\/center>      <center>  <div class=\"youtube-placeholder\" data-id=\"WU9WUWKaP9g\" onclick=\"loadVideo(this)\">\r\n        <img decoding=\"async\" src=\"https:\/\/img.youtube.com\/vi\/WU9WUWKaP9g\/hqdefault.jpg\" alt=\"Afspil video\" loading=\"lazy\" width=\"480\" height=\"360\" style=\"width:100%;height:auto;\">\r\n        <div class=\"play-button\"><\/div>\r\n    <\/div><\/center><br \/>\n<br \/>Kilde: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=66252\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u043f\u0440\u043e\u0435\u043a\u0442\u0430 ESP-KVM, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u043e\u0442\u043a\u0440\u044b\u0442\u0443\u044e \u043f\u0440\u043e\u0448\u0438\u0432\u043a\u0443, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043f\u0440\u0435\u0432\u0440\u0430\u0449\u0430\u0435\u0442 \u043e\u0442\u043b\u0430\u0434\u043e\u0447\u043d\u0443\u044e \u043f\u043b\u0430\u0442\u0443 \u043d\u0430 \u043c\u0438\u043a\u0440\u043e\u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440\u0435 ESP32-P4 \u0432 \u043f\u043e\u043b\u043d\u043e\u0446\u0435\u043d\u043d\u044b\u0439 IP-KVM &#8212; \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u043e, \u0434\u0430\u044e\u0449\u0435\u0435 \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u044d\u043a\u0440\u0430\u043d\u0443, \u043a\u043b\u0430\u0432\u0438\u0430\u0442\u0443\u0440\u0435 \u0438 \u043c\u044b\u0448\u0438 \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e\u0433\u043e \u043a\u043e\u043c\u043f\u044c\u044e\u0442\u0435\u0440\u0430 \u0447\u0435\u0440\u0435\u0437 \u0431\u0440\u0430\u0443\u0437\u0435\u0440. \u0412 \u043e\u0442\u043b\u0438\u0447\u0438\u0435 \u043e\u0442 \u0441\u0440\u0435\u0434\u0441\u0442\u0432 \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e\u0433\u043e \u0440\u0430\u0431\u043e\u0447\u0435\u0433\u043e \u0441\u0442\u043e\u043b\u0430, \u043d\u0430 \u0443\u043f\u0440\u0430\u0432\u043b\u044f\u0435\u043c\u043e\u0439 \u043c\u0430\u0448\u0438\u043d\u0435 \u043d\u0438\u0447\u0435\u0433\u043e \u043d\u0435 \u0443\u0441\u0442\u0430\u043d\u0430\u0432\u043b\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0438 \u043e\u0442 \u0435\u0451 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u043d\u0438\u0447\u0435\u0433\u043e \u043d\u0435 \u0442\u0440\u0435\u0431\u0443\u0435\u0442\u0441\u044f: \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u043e \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0430\u0435\u0442\u0441\u044f \u043a \u0432\u0438\u0434\u0435\u043e\u0432\u044b\u0445\u043e\u0434\u0443 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-183330","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - 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