Monday, March 31, 2025

We had to dig up the church well

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The pump quit in the church well so we had to dig it up.  When we tried to pull it we could see somthing on the pitless adapter.  We tapped ...

Waveshare Zero to Pi3 Review

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I recently purchased a Waveshare Zero to Pi3 adapter.  I had a couple of Pi zero's laying around not being used because I had to look up...
Friday, March 14, 2025

Mackie Thump TH-15A Powered speaker Repair

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 I was asked to repair a Mackie Thump TH-15A Powered speaker by a friend.  It powered on and everything looked good but there was no sound c...
Saturday, March 8, 2025

ESP32 HUB75 DMA Hue Value Spectrum demo

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The Hue Value Spectrum demo is beautiful, cameras do not do it justice. This is found at https://github.com/mrcodetastic/ESP32-HUB75-MatrixP...

Aurora Demo on ESP32 with a 16S 32x32 LED panel

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This is the Aurora Demo working on 32x32 RGB LED matrix panel with an ESP32 Processor.  I bought a circuit bard to do this but could not get...
Thursday, February 13, 2025

New Big LED sign powered by Raspberry Pi

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I have made another big LED sign, but this time it is powered by a Raspberry Pi.  At first I used the Adafruit Hat ,but I have upgraded to t...
Sunday, February 9, 2025

Testing LED panels for bad LED's

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I have written two programs to test LED panels after someone sold me a pile of them with many bad LED's.  Some panels had over 30 LED...
Sunday, February 2, 2025

Explaining the different types of LED Arrays

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Not all LED arrays are the same, there are many varieties within a set size and set amount of LED's.  There are the P numbers.  P10 mean...
Tuesday, January 28, 2025

Big LED sign with 6x4 of 32x32 P6 LED panels

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My latest LED sign is by far my biggest LED sign yet!  I purchased a pile of P6 32x32 LED panels on eBay for about $10 each.  The seller eve...
Wednesday, January 1, 2025

Expanding my sign with 16x16 addressable LED arrays.

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 I am expanding my sign with 16x16 WS2812B Addressable LED arrays.  Currently I am at 3x5 of these arrays but am working on adding three mor...
Friday, November 29, 2024

Sunrise Systems LED Sign revisited

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 I was asked to convert another Sunrise Systems LED sign to Arduino control and wireless updates via bluetooth.  This time I wanted to make ...
Friday, June 21, 2024

InMoov Compatible Hand Design Upgrade

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I am working on a InMoov Compatible Hand Design Upgrade.  The main goal is to put all the servos in the hand.  Years ago I printed out a han...
Wednesday, June 5, 2024

Converting TV to LED sign with 16x16 Arrays and SP801E

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 I have been Converting an  old TV into a LED sign with 16x16 Arrays and SP801E controller.  At first I had 8 of the 16x15 ws2812 LED arrays...
Friday, May 31, 2024

Repair of Suzuki GP-3 Digital Piano

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My brother dropped off a Suzuki GP-3 electric digital piano for repairs. Many of the keys were stuck in the down position.  So I googled how...
Thursday, March 7, 2024

Rocker Bogey 6 Wheel Drive Mars Rover

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 I had about eight wheels and matching motors around so I decided to make a six wheel drive Arduino controlled rover.  Then I discovered the...