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<?xml-stylesheet type="text/xsl" href="https://devzone.nordicsemi.com/cfs-file/__key/system/syndication/rss.xsl" media="screen"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Struggling to isolate custom nRF52840 board from DK on-board debugger</title><link>https://devzone.nordicsemi.com/f/nordic-q-a/128370/struggling-to-isolate-custom-nrf52840-board-from-dk-on-board-debugger</link><description>Hi, 
 I am developing a custom PCB based on the nRF52840 and am currently trying to flash/debug it using an nRF52840-DK (PCA10056) as an external debugger. 
 connected devices like this without the custom board: 
 
 So how do I connect the custom board</description><dc:language>en-US</dc:language><generator>Telligent Community 13</generator><lastBuildDate>Tue, 14 Nov 2017 10:43:53 GMT</lastBuildDate><atom:link rel="self" type="application/rss+xml" href="https://devzone.nordicsemi.com/f/nordic-q-a/128370/struggling-to-isolate-custom-nrf52840-board-from-dk-on-board-debugger" /></channel></rss>