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Achievement unlocked: Unisolder revived (Patreon)

Published:
2018-05-21 11:50:26
Edited:
2018-05-21 11:53:22
Imported:
2021-08

Content

Pretty difficult, but worth the effort I think, very cool controller!

Clicking is the current limit of my PSU

Files

20180521 130711

Comments

Holger P Kleinert

Sehr gute Regelung / Very good regulation.

Anonymous

Does your PSU use a Relay to regulate current!!? It's so loud 😂🙉

John McCormick

Without such equipment how will I ever be able to solder water as well as you do?

marcoreps
>>12479803

In that PSU there are multiple transformer taps that can be used to operate efficiently. The current limit happend to cause the voltage to drop all the way into another transformer tap, so it switched back and forth all the time. But there actually are older power supplies that use relays as inverters

marcoreps
>>12476174

A little bit better than my own if ( too low ) { turn on } implementation :)

Holger Barske

I am impressed. Thank you very much Marco for fixing this.

Ryan Kerick

Excellent work. You were the inspiration a while ago that caused me to attempt this build. It's infuriating and gratifying at the same time. I had the power board working and when I went to plug in the digital board or blew up the 74hc02 for some reason. I built a second power board and when I tried powering it from my small bench supply it seemed to kill the large transistor next to the voltage ic. The third power boatboard I built I managed to install the mosfet driver chip backwards. I looked at the pinout and didn't think out would have killed the chip, but I cant get any voltage reading on the power connector. I have 7 more attempts left.

marcoreps
>>12488868

I found this very useful: <a href="https://github.com/5N44P/unisolder-notes" rel="nofollow noopener" target="_blank">https://github.com/5N44P/unisolder-notes</a> Also an online gerber viewer since the author hasn't shared his CAD files.