What's your solder of choice? (images2.imgbox.com)
I recently came to the realization that I’ve been kinda punishing myself with cheap no-name solder that is really difficult to work with....
can you see a beeper in this image? (lemmy.ml)
It’s the handle of a water kettle. Behind the circuit board is nothing. There is also no other circuit board in the kettle. Is the yellow thing the beeper? Thanks for any help 🙏
When I was a kid my Dad made a magnet charger with some electrified copper coils would this be something that could be used to achieve similar results somehow? TIA (i.imgur.com)
Shift register missing bits (discuss.tchncs.de)
Hey friends,...
Adjusting SMPS output voltage (discuss.tchncs.de)
Does anyone recognise these power supplies? They’re cheap AliExpress led drivers and I want to change its output voltage to around 22V from 12V. I’ve read that the way to do this is to adjust the REF voltage on the IC that controls it. It’s a KA3845 but I don’t understand where that reference voltage is regulated. One...
Replacement Bulb for Ultrafire WF-500 Flashlight (cdn.tcb13.com)
Some years ago, before LEDs were a thing, I bought an Ultrafire WF-500 Flashlight that features a Xeon light bulb. As you might imagine the bulb reached its lifetime and burned away....
Can someone help me identify this potentiometer from a third party Xbox controller? (lemmy.one)
Trying to repair a Hyperkin Duke Xbox controller where the left trigger doesn’t respond. Found that the resistance of this potentiometer doesn’t change when it’s moved, so I’m looking to replace it. I’m a novice with this stuff though and I’m having trouble identifying it. Any help is appreciated.
TP4056 useless protection circuit? (discuss.tchncs.de)
I got these TP4056 modules from an AliExpress vendor and fail to understand how the protection circuit works or if it’s just typical Ali shovelware. It could be my limited understanding of electronics....
Designing a synth bipolar PSU inspired by Doepfer's A-100 PSU3 (i.imgur.com)
I’m planning to make a modular synth from scratch, but I need to start with the PSU. Do you see any issues with this schematic?...
What brand is this? (lemmy.ca)
It’s an SPST-NO micro switch. Don’t waste time searching for it. I already wasted mine. Just let me know what it is if you know it off the top of your head. 😊
direct macro (discuss.tchncs.de)
Direct Macro unveils a steadfast technological ally, resolute in delivering avant-garde and dependable solutions tailored to address the panorama of your varied requirements. A steadfast commitment to quality and performance underscores our expansive array of state-of-the-art offerings 400-aemm Internal Hard drive to elevate...
