{"id":4622,"date":"2024-02-07T13:39:02","date_gmt":"2024-02-07T12:39:02","guid":{"rendered":"https:\/\/www.heinpragt.nl\/?post_type=product&#038;p=4622"},"modified":"2026-04-25T03:21:37","modified_gmt":"2026-04-25T01:21:37","slug":"mgh80-pcb","status":"publish","type":"product","link":"https:\/\/www.heinpragt.nl\/?product=mgh80-pcb","title":{"rendered":"MGH80 PCB (Z80 single-board computer)"},"content":{"rendered":"<p>This 5 chip Z80 single-board &#8220;computer&#8221;, is a very simple Z80 based &#8220;controller&#8221; with 8255 for I\/O plus a &#8220;Z50Bus&#8221; expansion connector. I created it to kick-start my Z80 experiments &#8211; breadboarding is fun, but sometimes you want the basics to &#8220;just work&#8221; so you don&#8217;t have to troubleshoot loose wires \ud83d\ude42<\/p>\n<p>Features an option to use a local crystal-based oscillator or oscillator module. There is an onboard selector to choose between 27c256 EPROM and 28C256 EEPROM.<\/p>\n<p>You can find almost all the components to build this computer in my webshop.<\/p>\n<p>This is the project page: <a href=\"https:\/\/github.com\/Kris-Sekula\/mgh80\" target=\"_blank\" rel=\"noopener\">https:\/\/github.com\/Kris-Sekula\/mgh80<\/a><\/p>\n<p>Schematics:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4624\" src=\"https:\/\/www.heinpragt.nl\/wp-content\/uploads\/2024\/02\/MGH80.png\" alt=\"\" width=\"2000\" height=\"1415\" srcset=\"https:\/\/www.heinpragt.nl\/wp-content\/uploads\/2024\/02\/MGH80.png 2000w, https:\/\/www.heinpragt.nl\/wp-content\/uploads\/2024\/02\/MGH80-300x212.png 300w, https:\/\/www.heinpragt.nl\/wp-content\/uploads\/2024\/02\/MGH80-1024x724.png 1024w, https:\/\/www.heinpragt.nl\/wp-content\/uploads\/2024\/02\/MGH80-768x543.png 768w, https:\/\/www.heinpragt.nl\/wp-content\/uploads\/2024\/02\/MGH80-1536x1087.png 1536w, https:\/\/www.heinpragt.nl\/wp-content\/uploads\/2024\/02\/MGH80-416x294.png 416w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4625\" src=\"https:\/\/www.heinpragt.nl\/wp-content\/uploads\/2024\/02\/1.4b_assembled-scaled.jpg\" alt=\"\" width=\"2560\" height=\"2457\" srcset=\"https:\/\/www.heinpragt.nl\/wp-content\/uploads\/2024\/02\/1.4b_assembled-scaled.jpg 2560w, https:\/\/www.heinpragt.nl\/wp-content\/uploads\/2024\/02\/1.4b_assembled-300x288.jpg 300w, https:\/\/www.heinpragt.nl\/wp-content\/uploads\/2024\/02\/1.4b_assembled-1024x983.jpg 1024w, https:\/\/www.heinpragt.nl\/wp-content\/uploads\/2024\/02\/1.4b_assembled-768x737.jpg 768w, https:\/\/www.heinpragt.nl\/wp-content\/uploads\/2024\/02\/1.4b_assembled-1536x1474.jpg 1536w, https:\/\/www.heinpragt.nl\/wp-content\/uploads\/2024\/02\/1.4b_assembled-2048x1966.jpg 2048w, https:\/\/www.heinpragt.nl\/wp-content\/uploads\/2024\/02\/1.4b_assembled-416x399.jpg 416w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>This 5 chip Z80 single-board &#8220;computer&#8221;, is a very simple Z80 based &#8220;controller&#8221; with 8255 for I\/O plus a &#8220;Z50Bus&#8221; expansion connector. I created it to kick-start my Z80 experiments &#8211; breadboarding is fun, but sometimes you want the basics to &#8220;just work&#8221; so you don&#8217;t have to troubleshoot loose wires \ud83d\ude42 Features an option [&hellip;]<\/p>\n","protected":false},"featured_media":4623,"template":"","meta":[],"product_brand":[],"product_cat":[28],"product_tag":[],"class_list":{"0":"post-4622","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-pcb_boards","8":"first","9":"instock","10":"taxable","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/www.heinpragt.nl\/index.php?rest_route=\/wp\/v2\/product\/4622","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.heinpragt.nl\/index.php?rest_route=\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.heinpragt.nl\/index.php?rest_route=\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.heinpragt.nl\/index.php?rest_route=\/wp\/v2\/media\/4623"}],"wp:attachment":[{"href":"https:\/\/www.heinpragt.nl\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4622"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.heinpragt.nl\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_brand&post=4622"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.heinpragt.nl\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_cat&post=4622"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.heinpragt.nl\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_tag&post=4622"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}