Tag: hot air

YIHUA 850AD Digital Display Hot Air Desoldering Station: Power inlet + power switch retrofit (WHL #85F1)

Small-ish update on the Yihua hot air station: Standby power draw is now zero!

But as is common, things weren’t quite as straight-forward as I had hoped for. Let’s start with a quick teardown of the unit, as promised. The lid is uneventful in that it has the same color on the inside as it does on the outside – and surprise, surprise, the holes go straight through Other than that, most of the chassis space is taken up by the pump, which is very reminiscent of the unit of the Toolcraft hot air station at work, even the sizing of the cable ties. […]

25th June 2023 16th July 2023 By Bzzz In No Comment

YIHUA 850AD Digital Display Hot Air Desoldering Station Air Pump Can Adjust Temperature Heat Gun SMD Phone Soldering Station (WHL #85)

I got a (reasonably) big box from China!

Since changing jobs, I’m in the process of buying tools that I dearly miss – some of them are no longer easily accessible in the new place, some aren’t available at all, and some are so darn useful, I should have bought a unit for myself at home ages ago. A hot air station checks the last two boxes, since my regular 2000W hot air gun is certainly useful for like removing stickers or preheating boards, but temperature regulation clearly isn’t good enough for soldering. So…I bought a Yihua 850AD. […]

5th March 2023 5th March 2023 By Bzzz In No Comment

Lenovo Thinkpad R400 LED Display backlight fix (#P3)

Yes, it’s running in the “projects” category, as “quick and dirty weekend fixes” isn’t available yet :mrgreen:

While I was hosting my brother, he casually asked me when I will fix his display. Umm…what?
Turns out, his Lenovo R400 was showing vertical stripes again. Like these:

(jup, stolen from some Apple customer help page – I didn’t take a photo at the time. I guess the bug is a watermark, isn’t it?)

Update from 23rd of December in 2020: By pure luck, I found this one from the previous issue while shovelling old photos and other data onto my server. […]

23rd July 2017 23rd December 2020 By Bzzz In No Comment