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Simulation Error
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samiruddin78 1 year ago
Hello, I have problem in simulation, [https://easyeda.com/editor#mode=sim,id=ba03132ea5e3460087bd6172440ce218](https://easyeda.com/editor#mode=sim,id=ba03132ea5e3460087bd6172440ce218) ![Screenshot 2022-10-12 003428.png](//image.easyeda.com/pullimage/gkgvrSM9xgZmiDd1XnAtCBchZMstuDO8WPqFo2wT.png)
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andyfierman 1 year ago
Your project is private so only you can see it: ![image.png](//image.easyeda.com/pullimage/mRlWyXTVsXY6rg1TwomtgqtQ78BIKgcudHrzPNbO.png) You have no public projects: ![image.png](//image.easyeda.com/pullimage/dUykzZecDf9LZrhu080yHqgjxa8mXzJO7qIdOovh.png)image.png Please read: [https://u.easyeda.com/forum/topic/How-to-make-a-Project-public-and-share-the-links-to-it-9f006513b84b412580910905b0281d20](https://u.easyeda.com/forum/topic/How-to-make-a-Project-public-and-share-the-links-to-it-9f006513b84b412580910905b0281d20)<br> <br> **Please also ensure that you have read all of - and played with the examples in - the Simulation Tutorial (3), in (2) in:**[**https://easyeda.com/forum/topic/How-to-ask-for-help-and-get-an-answer-71b17a40d15442349eaecbfae083e46a**](https://easyeda.com/forum/topic/How-to-ask-for-help-and-get-an-answer-71b17a40d15442349eaecbfae083e46a)<br> <br> From your screenshot it would seem that you have used a symbol for an 18 pin device, HT12E-18DIP, and then edited the name to that of an obsolete 14 pin Ngspice symbol (CD4049EE, created before EasyEDA swapped the simulation engine from Ngspice to LTspice some years ago) and somehow expect that to just work in the simulator. I note also that trom a schematic point of view you have also connected inputs to pullup switches but with no pulldown resistance so that when the switches are open circuit in the simulation they are still pulled up just by the very large open circuit resistance of the switches and in the real circuit, left floating. From what little of the schematic can be seen, it would seem that you have included a voltage source, V1 with a voltage of 1V as the power supply in the schematic but it is unclear how and to what this is connected. The Holtek HT12E-18DIP remote control encoders require a minimum supply of 2.4V. [https://docs.rs-online.com/074d/0900766b8140c1f8.pdf](https://docs.rs-online.com/074d/0900766b8140c1f8.pdf)<br> <br> Note that there is no publically available spice model for the HT12E-18DIP. It is unlikely that theere is any spice model available for the HT12E-18DIP.
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