Tags » Electronics

COB Removal - Fail !

I have some  PCBs with a Chip-On-Board (COB) chip that I was curious about. A website stated that this COB contained a QX5252F chip but it was not stated how this was determined. 165 more words

Electronics

Caveat Emptor - SOIC8/SOP8 test clips

My mistake may benefit you if you are into budget surface mount PCB creation.

I recently purchased an 8-pin  test clip for SOP8/SOIC8 surface mounted chips. 464 more words

Electronics

CE012 Step-Up Boost - What's Inside?

I am getting ready to design a circuit using the ME2108A Step-Up voltage converter, but first I wanted to closely examine the CE012 Voltage converter that I recently posted about – … 474 more words

Electronics

When is the right time to think about Disaster Recovery?

Spring rains bring on more than just flowers or in my case, weeds.  The phone started ringing early the other morning.  My coffee was still brewing when the continuous ring of the phone demanded me instead of the regular answering service. 827 more words

LifeStyle

Linear PSUs are better...

…aren’t they? :D

No, I don’t really want to start up that discussion here because in my opinion it’s much more complex subject than most audiophiles believe. 418 more words

Work In Progress...

LED-tester deluxe...

A few months ago I stumbled upon a presentation thread for an “LED-tester” circuit by Muffsy-creator H. Skrodahl on a Norwegian audio forum. Two things immediately occured to me: 266 more words

Electronics

Power Logger

With a design along the same lines as the Gas Sensor Logger, I made up a power consumption monitor for the house.
I installed 4 clamp on current transformers in my panel, one on each of the 230v legs coming in, and two that can be clamped on any circuits of interest. 336 more words

Electronics