My Commentary and Technical help
From BobDavis321
Tuesday, November 28, 2023
Converting RGB controller to ESP8266 WLED Ws2812 Controller.
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I am converting an old RGB controller to an ESP8266 WLED WS2812 Controller. I removed the power transistors and cut the runs for the pull u...
Wednesday, November 1, 2023
MLX90640 and ESP32 Thermal Imaging Camera with 2.8" TFT SPI
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I decided to update my old thermal imaging camera. Back in 2020 I had built a AMG8833 based camera. Its resolution was only 8x8 pixels. T...
Thursday, October 12, 2023
64 x 72 LED wall with ESP32 and WS2812B
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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?
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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...
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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.
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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
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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
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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.
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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
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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
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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...
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