{"id":3628,"date":"2016-09-28T17:04:37","date_gmt":"2016-09-28T17:04:37","guid":{"rendered":"http:\/\/41j.com\/blog\/?p=3628"},"modified":"2016-09-28T17:04:38","modified_gmt":"2016-09-28T17:04:38","slug":"dual-esp8266-board","status":"publish","type":"post","link":"https:\/\/41j.com\/blog\/2016\/09\/dual-esp8266-board\/","title":{"rendered":"Dual esp8266 board"},"content":{"rendered":"<p><a href=\"http:\/\/41j.com\/blog\/2016\/09\/dual-esp8266-board\/espdual\/\" rel=\"attachment wp-att-3629\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter  wp-image-3629\" src=\"http:\/\/41j.com\/blog\/wp-content\/uploads\/2016\/09\/espdual.png\" alt=\"espdual\" width=\"468\" height=\"468\" \/><\/a><\/p>\n<p>I&#8217;ve been playing with a new esp8266 design. The board has 2 esp8266s on one PCB. It&#8217;s based around my <a href=\"http:\/\/www.whitefordresearch.com\/products\/espusb-esp8266-usb-sd-card-interface-preorder\">espusb design<\/a>.<\/p>\n<p>The board contains a ch340g usb interface, an MSP1603 buck converter to power the 2 esp8266s. The SPI buses of the esps are linked so that they can communicate. There are headers that allow the 2 esps to be programmed independently.<\/p>\n<p>One idea of course is that I could uses these boards to build a basic mesh network. I think they&#8217;ll be fun to play around with in any case. Gerbers and Kicad files below. If boards work, and there&#8217;s any interest, I might stick them in my shop. If you think you&#8217;d like one email me (new@sgenomics.org).<\/p>\n<p>Kicad design files and gerbers: <a href=\"http:\/\/41j.com\/blog\/2016\/09\/dual-esp8266-board\/espusb_dual\/\" rel=\"attachment wp-att-3630\">espusb_dual<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>I&#8217;ve been playing with a new esp8266 design. The board has 2 esp8266s on one PCB. It&#8217;s based around my espusb design. The board contains a ch340g usb interface, an MSP1603 buck converter to power the 2 esp8266s. The SPI buses of the esps are linked so that they can communicate. There are headers that [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[1],"tags":[],"class_list":["post-3628","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p1RRoU-Ww","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/41j.com\/blog\/wp-json\/wp\/v2\/posts\/3628","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/41j.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/41j.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/41j.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/41j.com\/blog\/wp-json\/wp\/v2\/comments?post=3628"}],"version-history":[{"count":2,"href":"https:\/\/41j.com\/blog\/wp-json\/wp\/v2\/posts\/3628\/revisions"}],"predecessor-version":[{"id":3632,"href":"https:\/\/41j.com\/blog\/wp-json\/wp\/v2\/posts\/3628\/revisions\/3632"}],"wp:attachment":[{"href":"https:\/\/41j.com\/blog\/wp-json\/wp\/v2\/media?parent=3628"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/41j.com\/blog\/wp-json\/wp\/v2\/categories?post=3628"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/41j.com\/blog\/wp-json\/wp\/v2\/tags?post=3628"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}