My Commentary and Technical help



From BobDavis321

Wednesday, April 30, 2014

DIY Raised Gardens in NY with very little land

›
Last year I started a small raised garden.  I started the plants indoors in March and then moved them outdoors into two raised beds made out...
Tuesday, April 15, 2014

DIY Arduino CNC Projects for 3D printing, engraving, etc.

›
I am working on making my own Arduino powered CNC 3D printer and light duty milling machine.  It started off as just some pieces of Plexigla...
2 comments:
Wednesday, April 9, 2014

Projectors for Africa Part 2

›
Years ago I was in Africa with my brother.  We were setting up a video Bible school and we purchased a large TV to show the video's on. ...

RAWNY Mini Hamfest in Tonawanda NY

›
Last night I attended the RAWNY mini Hamfest in Tonawanda NY.  It was actually fairly well attended and I got rid of at least 3 boxes of stu...
Friday, January 31, 2014

Arduino powered Roomba Robot

›
I have taken a iRobot Roomba vacuum cleaner apart and made an Arduino Powered robot out of it.  There is a serial port on the Roomba, but mi...
Thursday, January 9, 2014

Arduino powered Robo-Raptor

›
I have been working on rebuilding a Robo Raptor to be controlled by an Arduino.  It is a key project in my latest book "Arduino Robotic...
4 comments:

Toshiba L645 Disassembly and fan cleaning.

›
I recently had a Toshiba L645 come in for a power jack replacement and a fan cleaning.  The power jack comes as a cable assembly that has...
Wednesday, January 8, 2014

Three color RGB 8x8 LED Array

›
I recently obtained an 8 by 8 three color RGB LED array to play with.  I set it up with three 74595 shift registers and an arduino.  It was ...
Wednesday, November 6, 2013

Remote selection relay design

›
We recently had an application where we needed to remotely switch between two RF amplifiers.  I used Google and searched to find a solution...
1 comment:
Friday, November 1, 2013

A brief history of health insurance - why obamacare is a failure

›
A brief history of health insurance – or why some of us knew that obamacare would be a flop. **This is my personal opinion and is full o...
2 comments:

Common Radio Frequency Questions - RF FAQ

›
Radio Frequency FAQ’s I now work for a company called ComProd Communications.  You can find us at www.comprodcom.com    We specialize in...
Tuesday, October 29, 2013

Replacing the stove vent hood

›
Replacing the stove vent hood should be an easy thing to do.  However I wanted it to vent inside in the winter and then vent outside in the ...
1 comment:

Dodge Stratus Fan speed control

›
My wife's Dodge Stratus developed a second heat control problem.  The heater fan only worked on high.  This has happened to me before on...
Sunday, September 15, 2013

Ford Windstar Heat Control Actuator problem

›
The heat stopped working in my van this spring.  That was not a serious problem for most of the summer.  Fall is here and naturally I had to...
2 comments:
Tuesday, August 20, 2013

DDS Function Signal Generator Sine Square Sawtooth Triangle

›
I recently purchased a function/signal generator on eBay.  I bought it because my computer based signal generator was limited to a top frequ...
Friday, August 16, 2013

Projectors for Africa

›
A few years ago I purchased a bunch of projectors and sent them over to pastors in Africa.  Recently a pastor has been asking me for some mo...
Wednesday, August 14, 2013

The Most Difficult QSC 1400 Amplifier Repair yet

›
I was tempted to call this the 1400 amplifier repair from hell.  It needed more repairs than any other amplifier that I have fixed in the pa...
5 comments:
Tuesday, August 13, 2013

I need your help getting to the top in Amazon books

›
   If you have read any of my books and liked them PLEASE go to Amazon and give it a positive review.  So far most of my books only have one...

The supposed upcoming worldwide solar tsunami predicted by Snowden

›
I looked on the "Truth or fiction" web site and cannot find anythig on this, so I thought I would give my opinion here. IT IS PU...
Sunday, August 11, 2013

Installing my first addressable alarm system

›
During the last two weekends I have spent some time back up at Elim installing a new alarm system.  It is the first addressable alarm system...
1 comment:
‹
›
Home
View web version

About Me

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