{"id":5895,"date":"2021-03-11T04:31:52","date_gmt":"2021-03-11T04:31:52","guid":{"rendered":"http:\/\/blog.dankohn.info\/?p=5895"},"modified":"2021-03-12T03:58:58","modified_gmt":"2021-03-12T03:58:58","slug":"tca9548a-i2c-multiplexer","status":"publish","type":"post","link":"http:\/\/blog.dankohn.info\/index.php\/2021\/03\/11\/tca9548a-i2c-multiplexer\/","title":{"rendered":"TCA9548A I2C Multiplexer"},"content":{"rendered":"\n<p>You just found the perfect I2C sensor, and you want to wire up two or three or more of them to your Arduino when you realize &#8220;Uh oh, this chip has a fixed I2C address, and from what I know about I2C, you cannot have two devices with the same address on the same SDA\/SCL pins!&#8221; Are you out of luck? You would be, if you didn&#8217;t have this ultra-cool <strong>TCA9548A 1-to-8 I2C multiplexer<\/strong>!<\/p>\n\n\n\n<p><a href=\"https:\/\/www.adafruit.com\/product\/2717?gclid=Cj0KCQiA-aGCBhCwARIsAHDl5x_sfsvkeHe9aNhsrtffTWx2hvMXG7LUr6oB8eB5SxjcMll6jI70c_kaAnWVEALw_wcB\">Link to Part<\/a><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>You just found the perfect I2C sensor, and you want to wire up two or three or more of them to your Arduino when you realize &#8220;Uh oh, this chip has a fixed I2C address, and from what I know &hellip; <a href=\"http:\/\/blog.dankohn.info\/index.php\/2021\/03\/11\/tca9548a-i2c-multiplexer\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-5895","post","type-post","status-publish","format-standard","hentry","category-robot-parts"],"_links":{"self":[{"href":"http:\/\/blog.dankohn.info\/index.php\/wp-json\/wp\/v2\/posts\/5895","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/blog.dankohn.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.dankohn.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.dankohn.info\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.dankohn.info\/index.php\/wp-json\/wp\/v2\/comments?post=5895"}],"version-history":[{"count":2,"href":"http:\/\/blog.dankohn.info\/index.php\/wp-json\/wp\/v2\/posts\/5895\/revisions"}],"predecessor-version":[{"id":5900,"href":"http:\/\/blog.dankohn.info\/index.php\/wp-json\/wp\/v2\/posts\/5895\/revisions\/5900"}],"wp:attachment":[{"href":"http:\/\/blog.dankohn.info\/index.php\/wp-json\/wp\/v2\/media?parent=5895"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.dankohn.info\/index.php\/wp-json\/wp\/v2\/categories?post=5895"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.dankohn.info\/index.php\/wp-json\/wp\/v2\/tags?post=5895"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}