My Commentary and Technical help



From BobDavis321

Thursday, October 12, 2023

64 x 72 LED wall with ESP32 and WS2812B

›
I have been making LED signs for many years.  This blog testifies to that.  However I thought I would take my latest design to the next leve...

Is AliExpress a scam?

›
 Aliexpress kept saying my package arrived but was not deliverable, there was a "Delivery Issue".  This went on for three or four ...
Thursday, August 10, 2023

My Equinox failed inspection...

›
 It has been a month of a comedy of errors.  My regular place to get the car inspected was having issues with its inspection machine.  He sa...
Monday, July 10, 2023

I have damaged three TV's in a row while trying to fix them.

›
I am batting three in a row for destroying TV's while trying to fix them.  In all three cases all I had to do was replace the LED Backli...
Tuesday, June 13, 2023

CA-300V Super LED tester TV Backlight Review

›
Years ago I started testing TV LED Backlights with 9 volt batteries.  There are even videos of me doing that on Youtube. Well I fianlly brok...
Monday, June 5, 2023

Dynex DX-37L150A11 Replace Fluorescent Backlight tubes with LED strips

›
I hate to see newer TV's go in the garbage.  Recently I was at our local firehall as they filled bin after bin with defective TV's a...
Thursday, June 1, 2023

2011 Chevy Equinox One Year Repair history.

›
Well it has almost been a year since I purchased the Chevy Equinox.  It has been an expensive year at that!  I cannot remember what some of ...

JBL SB2 Subwofer Speaker Repair

›
 I recently repaired some JBL SB2 subwoofers.  They had been overpowered and there were boils in the voice coil form. I have never fixed a s...

Good Bye to the 2008 Ford Taurus

›
Well the Ford Taurus developed a really bad brake fluid leak.  i crawled under it and discovered that the drivers side rear tire support had...
Thursday, May 25, 2023

E4SW6518RKU 65 inch TV Repair LED Backlights

›
I recently fixed a E4SW6518RKU 65 inch TV by replacing the LED Backlights.  The TV is so huge that there was almost not enough room where I ...
Saturday, March 4, 2023

Replacing a 30 gallon hot water heater with a 40 gallon one

›
About 10 years ago I replacde my hot water heater.  There is a old blog post on it.  For some reason the bottom element quit working so I th...

Retrofitting Par 56 Light fixtures with LED lights

›
Someone donated some PAR56 Light fixtures.  They came equiped with 500 watt light bulbs.  That means that you can only have three of them on...
Monday, February 20, 2023

LED Sign updated with ESP32 and LED Dividers

›
 I have updated my LED signs with an ESP32 processor and LED Dividers.  The hope is to eventually support some sort of graphics.  Maybe even...
‹
›
Home
View web version

About Me

My photo
Bob Davis
View my complete profile
Powered by Blogger.