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Missing components from Design Manager
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wmlucid 1 year ago
I created this project:  <input class="eda-input-inner workboard eda-input-group-addon-before" type="text" value="https://u.easyeda.com/join?type=project&key=366eee0fdd4941df5d524d5327c24b8f&inviter=fdc1167e3b7544d38521942a8bed9d8e"><br> <br> [https://u.easyeda.com/join?type=project&key=366eee0fdd4941df5d524d5327c24b8f&inviter=fdc1167e3b7544d38521942a8bed9d8e](https://u.easyeda.com/join?type=project&key=366eee0fdd4941df5d524d5327c24b8f&inviter=fdc1167e3b7544d38521942a8bed9d8e).  Two components are missing fro Design Manager; M1 which is a ESP32-Devkit-v1 and U2 which is a MPU6050.  This is my first project designing a pcb. William
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andyfierman 1 year ago
Hi William, Welcome to EasyEDA. Hmmmmm. It looks like you have changed the schematic since you posted your question. Please do not do this. If you need to change the project, modify it, save it as a new version then revert to showing the version in question. Or save the modified one as a new project. You have two things that you have called M1.  One is a schematic symbol from the library and shows up in the Schematic Design Manager because it is a proper library symbol. The other looks like a symbol that you have made manually somehow directly in the schematic and does not show up as a component in the Design Manager. This was revealed when I moved the other one: ![image.png](//image.easyeda.com/pullimage/QZdjgoh1SngDv6c6uoyuheg9jOCJzGehwnuxGYWj.png) You have an MPU6050 shown in the Design Manager as P1, not U1: ![image.png](//image.easyeda.com/pullimage/49SJ0GRvAAsqY5T55RFgtiiNVa3AtNp9dPBYUaUx.png) Your U1 appears to be some sort of voltage regulator: ![image.png](//image.easyeda.com/pullimage/7HE3zmERK4ufzVsMY3i20gpWAR0neytbAXJIaZQO.png) You also have an unconnected net: ![image.png](//image.easyeda.com/pullimage/nTZ7oCZqrkeiTyCv94ZSzBy5kKdVatbET5SUWHAN.png) You also have no power supply decoupling. Please see: [https://u.easyeda.com/forum/topic/UPDATED-Power-supply-decoupling-and-why-it-matters-30a39d0a77f34d5d8dc77e37c035b3d3](https://u.easyeda.com/forum/topic/UPDATED-Power-supply-decoupling-and-why-it-matters-30a39d0a77f34d5d8dc77e37c035b3d3)<br> <br> and (2.2) in (2) in: [https://u.easyeda.com/forum/topic/UPDATED-Power-supply-decoupling-and-why-it-matters-30a39d0a77f34d5d8dc77e37c035b3d3](https://u.easyeda.com/forum/topic/UPDATED-Power-supply-decoupling-and-why-it-matters-30a39d0a77f34d5d8dc77e37c035b3d3)
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andyfierman 1 year ago
See also: (4) and (6) in (2) in: [https://u.easyeda.com/forum/topic/UPDATED-Power-supply-decoupling-and-why-it-matters-30a39d0a77f34d5d8dc77e37c035b3d3](https://u.easyeda.com/forum/topic/UPDATED-Power-supply-decoupling-and-why-it-matters-30a39d0a77f34d5d8dc77e37c035b3d3)
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wmlucid 1 year ago
Thank you andyfierman. My apologies for being eagerly, working on the schematic; thanks for the additional pointers/links. William
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wmlucid 1 year ago
I have added a 1000 uF 16 V Eletrolytic capacitor to the 5 Volt input line. Do you have any recommenations for decoupling capacitors for the LDO, Rolm BA033CC0WT. William
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andyfierman 1 year ago
@wmlucid, Follow the advice in the original manufacturers datasheet for the device. :)
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