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Korad KA3005P USB problem

The Korad KA3005P is a bench power supply providing 0-30 VDC and has a PC interface with serial and USB built-in. There is another model, the KA3005D, which is identical except it does not have the PC interface.

The KA3005P received a teardown and review on the EEVblog:

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Samsung SGH-X160 fails in 2015

Until recently I used a Samsung SGH-X160 cell phone. It is one of those classic feature phones (not a smart-phone). In January I noticed that the time and date display still showed 2014-12-31. When I tried to set the correct date I go a 'input invalid' error message.

I found ...

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boofa bootloader for ATmega8

The boofa bootloader is a small bootloader to program AVR devices over a serial line. Originally developed for ATmega16 and ATmega128 devices, the myAVR team developed a version for ATmega8 (download DL233).

The myAVR version contains an error in the lock bit masking. I fixed that:

diff -urNw ./lock.asm ...

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MediaMonkey uninstall and Autoplay

I really do not like software that does more than the obvious thing. And I dislike not working uninstallers even more. MediaMonkey is such software.

A few weeks ago I was looking for some new media player software for my Windows PC and installed MediaMonkey 4.0.7.

Last weekend ...

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Display with rotary encoder

Rotary (or quadrature) encoders are those little knobs found on many devices to set the speaker volume. They can also have a push button built in.

Although I am aware of many DIY projects that drive a display for use with LCDproc that use keys as well, I didn't ...

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