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Controlling relays through webserver with an arduino and ethernet shield but can't add more than four buttons, HTML page doesn't load

I have a software problem, I'm controlling relays through ethernet shield and arduino. I got a code from the net which works great and i can control the relays

Test angular component @Output using Storybook and Cypress

I am trying to test the output of an angular component. I have a checkbox component that output its value using an EventEmitter. The checkbox component is wrapp

unable to open browser using tor with selenium and python

it is still showing my IP while browsing how can we use tor-browser here. How can we use tor browser IP using firefox t run the python program and selenium driv

How to call the desired collection from Mongobd?

I am a beginner. I making a quiz. I stored my data in a few collections in MongoDB. How to call a specific collection from MongoDB? I know how to call only one.

Visual Studio get stuck always during app deployment on azure

Visual Studio get stuck always during app deployment on azure. 9:33:26 AM PowerAppsTestNode: Creating zip package... 9:33:26 AM PowerAppsTestNode: Zip package s

Delete Last node of Linked List in Java when the head is not given

I was solving the problem to delete the middle node of a LinkedList. Say given a linked list a->b->c->d->e you would want to delete b/c/d and the he

Where and how save temporary files in WPF C# app

I am building a wpf c # application, at user request I download image files from DB (not designed by me). Where should I save these files so that I can open the