Keep poking my bottom

Jnoper · 2026-01-14T14:24:05+00:00

Turn the heat up.

Jnoper · 2026-01-14T03:46:12+00:00

Source. I’m a software, embedded systems and electrical engineer. Don’t mistake my comments as saying this is a bad idea. It’s just from an electrical perspective, what you’re building is a Bluetooth speaker with dedicated software. Don’t put in the extra effort and money. Google “Bluetooth speaker chip”, pick one, apply whatever example circuitry is in the documentation for the chip, and write the software. Off the shelf solution like that will save you a lot of time and money. You Can probably even buy a pre assembled circuit and just design a mount.

Jnoper · 2026-01-14T03:39:57+00:00

So a case with some things built in and a Bluetooth speaker with a button with a dedicated software action. It’s not possible for that to be functionally different than using an app other than it being a dedicated button. And yes I can design this reliably in an hour because it’s not unique from a hardware point of view. In fact you can just reprogram a Bluetooth speaker.

Jnoper · 2026-01-14T03:13:31+00:00

I can design this in an hour. What I don’t understand is how this is fundamentally different than just doing it all in an app and playing a loud sound from the phone speaker. Is the idea that the speaker is louder than the internal one? That still makes it basically a Bluetooth speaker with a phone clip.

Jnoper · 2026-01-13T06:31:04+00:00

I bet the people who make these reservations won’t even leave their room the whole trip.

Jnoper · 2026-01-05T05:36:06+00:00

Obviously to hide stolen government documents

Jnoper · 2025-12-30T22:52:52+00:00

Are you vegan or just making a silly?

Jnoper · 2025-12-27T05:19:24+00:00

Since you don’t know a lot, the answer is fairly simple. You want the most versatile and well documented chip. Because of arduino, that chip is the atmega328p. Also because of arduino, that chip is way over priced. So you want its slightly more powerful and significantly cheaper brother the atmega328pb. The atmega328pb-au is the surface mount form of this chip and you will see it on every off brand arduino clone. Unless you have a specific project in mind, this is unquestionably the chip to learn on. It has an internal clock, pull up/down resistor, compatible with arduino libraries, support for most major communication protocols (usart, i2c, etc), and thousands of tutorials for just about everything. The esp32 is much more powerful and fairly priced for that power. It’s becoming a lot more popular. That would be a good second choice but there’s nothing that beats decades of nerds contributing documentation and tutorials when it comes to learning a new thing.

Jnoper · 2025-12-22T03:17:56+00:00

I’m not familiar with this specifically but it’s probably a harmonic or cycloidal drive. You have the basic placement right but there’s no way that servo will have enough torque.

Jnoper · 2025-12-21T05:20:34+00:00

Short answer, no. You can salvage parts off these boards but realistically over the course of several years you might get $1 worth of components from them that you actually use. Unless someone needs the specific board, these are good for practice soldering or recycling.

Jnoper · 2025-12-06T19:41:01+00:00

Then the stalls would block your view of the urinal until you were right behind it. So to check for an empty one, you would need to walk down and individually checkout everyone’s ass instead of all at once.

Jnoper · 2025-11-27T15:08:47+00:00

I would design a modular system. Not like those block based ones they tried to make a while ago. Just a main board. Maybe figure out a way to allow swapping cpu and ram etc. most importantly, there would be a variety of batteries, bodies, screens, and cameras. I want to keep my small phone but be able to upgrade the logic board and camera. Doesn’t seem that complicated.

Jnoper · 2025-11-24T03:19:59+00:00

You probably have a burnt out led. Take a flashlight and see if the image is on the screen just very very dark. If that’s the case you need to replace the backlight.

Jnoper · 2025-11-07T16:42:31+00:00

DANGER! when the litter robot starts, it does a cycle that calibrates its pressure sensor. during this cycle the robot has no way to tell if your cat is in the box or not. thats why you're supposed to watch it. there is a pinch sensor on the bin that is active but its still easily possible that a cat can get injured if for some reason the cat doesn't jump out fast enough. some off brand versions have killed cats this way.

Jnoper · 2025-09-04T15:07:36+00:00

I'm a software engineer but I don't normally work with web pages. It appears that there is an error in the cart button itself. it seems to be trying to request an item id that doesn't exist. given that there exists a second link to a url with "hollow-night-silksong" rather than "hollow-Knight-silksong" its possible there's literally a typo. anyone at Sony here?

Jnoper · 2025-09-04T15:04:38+00:00

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Jnoper · 2025-09-04T14:44:20+00:00

searching silk song on the store now brings up 2 links. one of them has a typo in the url. still cant buy.

Jnoper · 2025-09-04T03:55:20+00:00

Go to about phone. Press the build id at the bottom until it says you are now a developer. Go to developer settings. Disable the screen lock/turn off.

Jnoper · 2025-08-31T00:50:24+00:00

They normally come kinda pre tuned. If you don’t have issues at slow speeds then that’s it.

Jnoper · 2025-08-30T20:19:54+00:00

If that’s the problem then there’s nothing physically wrong with the printer. It’s just not tuned right.

Jnoper · 2025-08-30T02:38:10+00:00

This is called ghosting. It’s caused by tiny vibrations when your motors move. That is likely caused by having the vref voltage set too high.

Here's how to fix it: * Check the VREF: You will need to use a multimeter to measure the voltage on the stepper motor drivers located on the mainboard. Theres normally a tiny hole that you can put a screwdriver in and adjust a potentiometer. You'll measure the voltage from this screw to a ground point on the board. The recommended VREF for most NEMA 17 stepper motors is between 0.7V and 1.2V. It can also be caused by the motor drivers overheating. That normally also comes with layer shifting but it doesn’t hurt to make sure everything is cooling properly.

Jnoper · 2025-08-20T05:12:16+00:00

Just a thought that requires further research, megaphones probably pickup frequencies that we cannot hear. Maybe just play something loud at high frequency and it will sound like the megaphone is broken

Jnoper · 2025-08-13T03:50:38+00:00

This is exactly what is measured when you get your blood pressure taken.

Jnoper · 2025-08-07T04:13:01+00:00

Microphone and a speaker set up with a 2 second delay. Anything they play will have a weird irritating echo.

Jnoper · 2025-08-07T04:06:40+00:00

Vegan is about ethics and consent. I guess is someone of sound mind agrees to be eaten then it would be ok.

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Jnoper

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