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Raspberry Pi User Help

Raspberry Pi 4B won’t connect to 802.11ac WiFi

802.11ac was supposed to be compatible with Pi 4, right? I recently tried using 802.11ac only to maximize the WiFi performance, but as soon as I did that, the Pi disconnected I have & to enable 802.11n in order for the Pi to connect to that SSID. When I used nmcli dev wifi connect password […]

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Game Creation Mastering Development

texture disappearing from landscape-ue4

i am using unreal engine 4.25 and i have an issue with adding textures i have some texture right now in my landscape,but lately when i add a texture in landscape Suddenly all texture disappear form my landscape,looks like i did not add any textures at all i will be grateful for your help and […]

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Game Creation Mastering Development

I can’t select my local package in Asset Store Tools

I made a local package and I’m trying to upload it to the AssetStore. -My package is stored in the [root]/Packages folder. -My Demo scene is stored in the [root]/Assets folder. When I try to upload my package in the Asset Store Tools, I’ve an error if I select my sources in the Packages folder. […]

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Ask Games Video Games

What is this half-filled explosion-like icon next to the origin symbol?

I received a shiny Pokémon through the Surprise Trade, which I presumed as hacked due to the name of the trainer and Pokémon. I’ve received quite a few of these in the past, so I will take the held item and then store them in my never-to-be-used box. The Pokémon I received this time had […]

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Ask Games Video Games

How to get rid of command feedback in minecraft ps4 1.16

Its a simple question I’ve tried /commandfeedback false

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Ask Games Video Games

What console commands should I use to do Dawnguard quests after finishing almost all of Volhikar quests?

Many people try it. According to https://www.nexusmods.com/skyrim/mods/22279/ I need to do completequest DLC1VampireBaseintro set DLC1IntroCompletedVampire to 0 set DLC1PlayingVampireLine to 0 resetquest DLC1vq02 setstage DLC1VQ02 190 setstage DLC1VQ02 200 completequest DLC1vq02 setstage DLC1HunterBaseIntro 20 I did that. After doing all that, the Dawnguards are friendly to me. However, I want to do New Order quest. […]

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Ask Electrical Engineering Engineering

Optimize Switch MOSFET AC

My aim is to create this using MOSFETs: Currently, I have this schematic: (I cannot to use TRIACs because I need to cut the AC line in the middle of cycle.) Question: So, I’m using 4 MOSFETs for ‘1 switch’. Is there is a way to optimize this circuit? If I have to do the […]

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Ask Electrical Engineering Engineering

instataneous frequency in FM

Newbie and trying to understand the concept of instantaneous frequency in FM. Basic equation is \$A\cos(2\pi f_\mathrm{c}t+ 2\pi k\int (\mathrm{message})\,\mathrm{d}t)\$. I wanted to know how the term \$2\pi k\int (\mathrm{message})\,\mathrm{d}t\$ term creates chirpiness in the carrier frequency

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Ask Electrical Engineering Engineering

Discharge risk of an LED fade-in circuit

The simplest incarnation of the fade-in circuit I have planned is simulate this circuit – Schematic created using CircuitLab This gets a time constant of ~2.7s before taking into account the dynamic resistance of the amber LED with Vf=2.1V. It’s to only fade in once on power-up and doesn’t need additional control. My question is: […]

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Arduino Ask Engineering

Hijack analogue doorbell chime to trigger nodemcu

I have an oldskool doorbell chime. What i would like to do is whenever there’s a voltage flowing through the doorbell also trigger an HTTP call, which will trigger some smart home automations. I have the following setup to test the button press i.e. current to chime but it the output randomly appears as ‘pressed’ […]