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DIY weller WMRP/WMRT soldering station project (open source)
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Topic: DIY weller WMRP/WMRT soldering station project (open source) (Read 3482 times)
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nexus
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DIY weller WMRP/WMRT soldering station project (open source)
«
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July 16, 2020, 04:47:27 am »
Hi all,
Thought I'd share a writeup I did on an open source project I built. I wanted to use a nice set of Weller hot tweezers for small SMT rework but did not want the compatible boat anchor station. I found this open-source alternative that was a fun project by itself and could be built on the cheap too! The project repository is linked in the article.
https://neonkev.com/2020/07/16/diy-weller-wmrp-wmrt-soldering-station-open-source/
Cheers
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thm_w
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Re: DIY weller WMRP/WMRT soldering station project (open source)
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Reply #1 on:
July 16, 2020, 08:43:25 pm »
Nice clean build.
Is it using the two heaters in series and one thermocouple?
Relevant link:
https://www.eevblog.com/forum/reviews/whats-inside-weller-wmrt-tweezers/25/
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nexus
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Re: DIY weller WMRP/WMRT soldering station project (open source)
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Reply #2 on:
July 17, 2020, 02:34:35 am »
Thanks. I'm a little OCD, so the final assembly took wayy to long.
This design uses a dual mosfet and dual auto zero op amp; each heater is being monitored and cycled independently. Attached a photo of that part, the entire circuit diagram is online here:
http://kair.us/projects/weller/weller_driver_v11_circuit_diagram.pdf
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