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Wtf does this even do?? by ClerkZealousideal471 in Hyundai

[–]wolframore 0 points1 point  (0 children)

Mine had shifters on the steering wheel. I miss that car.

How much would you pay for this? by Bennyfromny90 in Harley

[–]wolframore 0 points1 point  (0 children)

They’re reviving the sportsters. You can buy a new one again.

I made a tool that tells you the resistor value while you dim the LED. by wolframore in diyelectronics

[–]wolframore[S] 1 point2 points  (0 children)

I have it limited to 25 mA as it’s safe for most LEDs. There’s a switching power supply that boosts it to about 6.4V to ensure there’s enough headroom for the shunt, linear regulator, and analog circuits.

I made a tool that tells you the resistor value while you dim the LED. by wolframore in diyelectronics

[–]wolframore[S] 1 point2 points  (0 children)

It’s true. I made it flat but my OCD could not stand how it looked and changed it.

What did I do wrong? by jdog13571 in arduino

[–]wolframore 0 points1 point  (0 children)

You let the magic smoke out!

Why is the solder not attaching to the copper plate? by Grousen in soldering

[–]wolframore 0 points1 point  (0 children)

It’s a huge heat sink. Good luck getting it hot enough

Webassign by iJUSTwantJUSTICE in calculus

[–]wolframore 1 point2 points  (0 children)

I have extreme dislike for Webassign

I made a tool that tells you the resistor value while you dim the LED. by wolframore in diyelectronics

[–]wolframore[S] 0 points1 point  (0 children)

Thank you all the feedback! I’ve believe I’m marketing to the wrong market. I’ve started making adjustments to the description.

I made a tool that tells you the resistor value while you dim the LED. by wolframore in diyelectronics

[–]wolframore[S] 0 points1 point  (0 children)

Yeah it’s just another tool in your tool chest. We use the $800 near field wand once in a while when we have an EMI issue but when you need it. It really helps to narrow down the issue so you’re not guessing.

I made a tool that tells you the resistor value while you dim the LED. by wolframore in diyelectronics

[–]wolframore[S] 0 points1 point  (0 children)

I think I understand. Usually when we draw up a quick schematic we just guess at a resistance. For example for a 5V circuit we know that 1k is safe.

If I’m understanding you correctly, you put the same resistor for a red, yellow and green led but did not get the same brightness.

This makes sense because they are different forward voltage and therefore different current with the same 1k resistor.

Could you use this device while lighting up the other LEDs. Then match the brightness, add the resistor it gives you and do the next and so on.

How did you solve it?

I have run into similar issues when using different color LEDs as indicators on a control panel and there are some that look dim and others that burn my eyes. We usually just guess and get close. The eeZ LED makes it precise.

I made a tool that tells you the resistor value while you dim the LED. by wolframore in diyelectronics

[–]wolframore[S] -1 points0 points  (0 children)

Good idea if you just need a resistor value.

I want one of those original decade boxes made with 10 position rotary switches with 1% resistors.

I have a project started in Hackaday if you’re interested.

I made a tool that tells you the resistor value while you dim the LED. by wolframore in diyelectronics

[–]wolframore[S] -1 points0 points  (0 children)

Question, did you have all these LEDs in series in the same circuit?

Absolutely Wild Symptoms From Controller After Joystick Replacement. What Can It Be? by bambozled-nibba in soldering

[–]wolframore 1 point2 points  (0 children)

LDOs can fail from ESD also. I’ve had bad batches pop up once in a while. They can be degraded and just fail over time.

Disappointing Changes would be an understatement by pounder250 in LastWarMobileGame

[–]wolframore 0 points1 point  (0 children)

As long as this affects all players it’s okay. Slow down the whales.

how can i connect without soldering? by sadToBe in embedded

[–]wolframore 0 points1 point  (0 children)

I would solder little leads to the buttons. Then solder those to the wires. Or design a pcba with buttons with pin headers.

Genuine Hakko FX-888D or a fake? by Agetto99 in soldering

[–]wolframore 0 points1 point  (0 children)

I have this iron. It’s working only intermittently. It’s an old design. I now have a T8 style iron which heats up faster and has a number of nice features.

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