topic Quick-jack board working without battery in LPCXpresso IDE https://community.nxp.com/t5/LPCXpresso-IDE/Quick-jack-board-working-without-battery/m-p/543331#M8206 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by changwoo Ryu on Fri Aug 08 02:06:29 MST 2014</STRONG><BR /><SPAN>Hi everyone.</SPAN><BR /><BR /><SPAN>Last week, I received quick-jack board.</SPAN><BR /><SPAN>Then I connected it with my SmartPhone and I checked that working is no problem.</SPAN><BR /><SPAN>But, When I working it without coin battery, It doesn't work.</SPAN><BR /><SPAN>Of course, I checked jumper setting, (about jumpers setting, use as default, just remove the coin battery and check the smartphone's volume is max)</SPAN><BR /><SPAN>When I check the voltage of LDO(LD6806TD), it rise only 1.2 V.</SPAN><BR /><SPAN>Does it working without coin battery? or need to coin battery anytime?</SPAN><BR /><SPAN>Or Which point should I check more?</SPAN><BR /><SPAN>Please help me.</SPAN><BR /><BR /><SPAN>Thank you.</SPAN></BODY></HTML> Wed, 15 Jun 2016 23:19:58 GMT lpcware 2016-06-15T23:19:58Z Quick-jack board working without battery https://community.nxp.com/t5/LPCXpresso-IDE/Quick-jack-board-working-without-battery/m-p/543331#M8206 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by changwoo Ryu on Fri Aug 08 02:06:29 MST 2014</STRONG><BR /><SPAN>Hi everyone.</SPAN><BR /><BR /><SPAN>Last week, I received quick-jack board.</SPAN><BR /><SPAN>Then I connected it with my SmartPhone and I checked that working is no problem.</SPAN><BR /><SPAN>But, When I working it without coin battery, It doesn't work.</SPAN><BR /><SPAN>Of course, I checked jumper setting, (about jumpers setting, use as default, just remove the coin battery and check the smartphone's volume is max)</SPAN><BR /><SPAN>When I check the voltage of LDO(LD6806TD), it rise only 1.2 V.</SPAN><BR /><SPAN>Does it working without coin battery? or need to coin battery anytime?</SPAN><BR /><SPAN>Or Which point should I check more?</SPAN><BR /><SPAN>Please help me.</SPAN><BR /><BR /><SPAN>Thank you.</SPAN></BODY></HTML> Wed, 15 Jun 2016 23:19:58 GMT https://community.nxp.com/t5/LPCXpresso-IDE/Quick-jack-board-working-without-battery/m-p/543331#M8206 lpcware 2016-06-15T23:19:58Z