{"id":6,"date":"2022-07-22T14:14:38","date_gmt":"2022-07-22T19:14:38","guid":{"rendered":"https:\/\/fortycreek.org\/?p=6"},"modified":"2022-07-22T14:19:37","modified_gmt":"2022-07-22T19:19:37","slug":"reset-circuit-for-cpuville-sbc","status":"publish","type":"post","link":"https:\/\/fortycreek.org\/index.php\/2022\/07\/22\/reset-circuit-for-cpuville-sbc\/","title":{"rendered":"Reset circuit for cpuville sbc"},"content":{"rendered":"\n<p><\/p>\n\n\n\n<p>Some time back I built a <a href=\"http:\/\/www.cpuville.com\/Kits\/Single-board-kit.html\">CPUVILLE Z80<\/a> single board computer.  I used a USB serial cable to connect it to one of my Raspberry Pi computers.  The issue that I faced is that my assembler skills are pretty sus at this point, and I would need to go to the computer to hit the reset switch.  I made a simple circuit to allow using a GPIO pin on the Pi to reset the computer.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"724\" height=\"405\" src=\"https:\/\/fortycreek.org\/wp-content\/uploads\/2022\/07\/z80-reset.png\" alt=\"\" class=\"wp-image-8\" srcset=\"https:\/\/fortycreek.org\/wp-content\/uploads\/2022\/07\/z80-reset.png 724w, https:\/\/fortycreek.org\/wp-content\/uploads\/2022\/07\/z80-reset-300x168.png 300w\" sizes=\"auto, (max-width: 724px) 100vw, 724px\" \/><\/figure>\n\n\n\n<p>Now I just set an alias to toggle the GPIO pin<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>alias z80reset='gpio -1 mode 13 out; gpio -1 write 13 0; sleep 0.1; gpio -1 write 13 1'<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Some time back I built a CPUVILLE Z80 single board computer. I used a USB serial cable to connect it to one of my Raspberry Pi computers. The issue that I faced is that my assembler skills are pretty sus at this point, and I would need to go to the computer to hit the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-6","post","type-post","status-publish","format-standard","hentry","category-z80"],"_links":{"self":[{"href":"https:\/\/fortycreek.org\/index.php\/wp-json\/wp\/v2\/posts\/6","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fortycreek.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fortycreek.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fortycreek.org\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fortycreek.org\/index.php\/wp-json\/wp\/v2\/comments?post=6"}],"version-history":[{"count":2,"href":"https:\/\/fortycreek.org\/index.php\/wp-json\/wp\/v2\/posts\/6\/revisions"}],"predecessor-version":[{"id":12,"href":"https:\/\/fortycreek.org\/index.php\/wp-json\/wp\/v2\/posts\/6\/revisions\/12"}],"wp:attachment":[{"href":"https:\/\/fortycreek.org\/index.php\/wp-json\/wp\/v2\/media?parent=6"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fortycreek.org\/index.php\/wp-json\/wp\/v2\/categories?post=6"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fortycreek.org\/index.php\/wp-json\/wp\/v2\/tags?post=6"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}