#circuitDesign

2025-06-17

Fine-tune with precision!
Bourns Potentiometers offer reliable control for signal adjustment, tuning, and calibration in any circuit. Trusted performance, compact design.
smidmart.biz/6nwBE
#Bourns #Potentiometer #Electronics #CircuitDesign #TechTools

2025-05-19

Job - Alert 💡

💻 Professur für Circuit Design

Deadline: 2025-06-02

Location: Germany, Augsburg, Bayern

academiceurope.com/job/?id=763

#hiring #Professor #electricalengineering #CircuitDesign #electronics

2025-05-08

How would I go about building a 60Hz oscillator? (edit: I want a circuit that responds measurably to a specific input frequency)
I'm trying to design an LRC circuit to measure the AC hum in my apartment but even with the biggest capacitor I own the dimensions of the coil are crazy, on the order of meters.

Also because the capacitance is so high the Q isn't great...

Can I salvage this with a ferrite core? or do I need a different kind of circuit

#electronics #circuitdesign technically not #hamradio but I got the idea from an old antenna tuner

2025-05-05

@arthurfox I am deeply fascinated by #electronics and the different timbral effects that result from the #CircuitDesign choices and how this influences #MusicProduction and the appreciation of #ElectronicMusic by the listener. I also love #WoodWorking as it applies to #violins and #WoodenBoats

Kevin P. Flemingkevin@km6g.us
2025-04-12

I could use some suggestions from electronics geeks.

I've got a need to control two active-low inputs to a buffer IC in an 'exclusive' fashion: only one of them can be low at any moment in time. I've already got pull-up and pull-down resistors to ensure that they start that way during powerup.

I'd been planning on just connecting them to a pair of GPIOs from the microcontroller, but I'm concerned that during reset, if the normally-low pin was being driven high, there will be a short time when both inputs will be low as the MCU outputs move to high-Z... I can't guarantee that the reset in the MCU will cause both pins to go to high-Z simultaneously.

Is there a straightforward circuit I can drive from a single GPIO to generate a low signal on one of two outputs in a 'break-before-make' style (to abuse an old relay term)?

The reason that I need to do this is that two of the buffer's outputs are connected to two of its inputs, so if both control inputs are low at once that will generate a circular connection and I have no idea how the buffer chip will behave.

#Electronics #CircuitDesign

N-gated Hacker Newsngate
2025-03-28

Ah, the burning desire to warn your past self with a listicle of regrets 😂. After a year of toil, you finally realize building the “world's fastest autorouter” in was just an elaborate way to procrastinate on actually routing circuits. 🚀 What a revelation!
blog.autorouting.com/p/13-thin

2025-03-19

A 3D render of the Apple I board from KiCad 9.

#appleI #PCBDesign #CircuitDesign #Retro #retrohardware

Apple I reproduction circuit board render
2025-03-18

The Apple I Repro Board is routed and has been sent for manufacturing! I should have the prototypes in a week or two!

#appleI #PCBDesign #CircuitDesign #Retro #RetroHardware

Apple I PCB prototype
2025-03-14

As I always do... next revision started while I wait for the previous to be made. As can't believe NO bugs and was able to tweak some things for power efficiency

#kicad #pcb #time #diy #maker #circuitdesign

Image of the OpenClock PCB rendered from Kicad. It has all the components Emily lovingly placed displayed now
2025-03-13

Just ordered parts for a very (very) old project of mine. I started this well over a decade ago to support a platform of different display types for clocks (my time nut phase.) It's unfortunately large to fit that format I had before. Moved from a PIC18 to an ESP32-S2-Mini and hoping to get back to my Nixie Tube Clock project. (Don't bother to google as never published it).

#pcb #kicad #time #diy #maker #circuitdesign

Image of Emily's lovingly designed OpenClock design from many (many) years ago. It's displayed rendered in Kicad's 3D rendering view. There's some components visible that had 3D versions added
2025-03-12

(Tagging electronics folks, feel free to respond or not as willing/able.)

I'm doing initial research to design a custom battery mgmt/charge/balance circuit for a prototype. 4S/5S LiPo (nonprotected), 90Wh, 12A discharge. It needs to run the device while charging, like a laptop.

Any advice or resources on circuits/architecture/ICs, key safety req's? I'm a professional circuit designer but not experienced w/Li batteries.

Thanks!

@cmb @gsuberland @chris_gammell

#circuitDesign #electronics

2024-11-03

💡 Need more personalized help? Is your challenge more complex or unique, involving different specifications or circuit types?

🎯 We’ve got you covered!

🚀Don’t wait—contact @innowave for a quote on your RF circuit or radio design problems: buff.ly/3NPPCcn

🚀Contact @innowave for a quote on RF Circuit design and Measurement Training and Consultancy. buff.ly/3CcvzlY

2024-11-03

💡 Need more personalized help? Is your challenge more complex or unique, involving different specifications or circuit types?

🎯 We’ve got you covered!

🚀Don’t wait—contact @innowave for a quote on your RF circuit or radio design problems: buff.ly/3NPPCcn

🚀Contact @innowave for a quote on RF Circuit design and Measurement Training and Consultancy. buff.ly/3CcvzlY

Client Info

Server: https://mastodon.social
Version: 2025.04
Repository: https://github.com/cyevgeniy/lmst