3:13am 05-12-2012
Hi Alan,
I am trying to build a coil-gun like the one you made, from my project. i found it really awesome. I need you assistance in doing the same. can you please send me the details of how did you make the gun. can you please mail me the instructions? like what are the parts needed to make the gun? how to assemble it and so on. hope you help me with it. waiting for your reply. hope you reply back soon.
Thanking you.
Replied on: 12:46pm 09-27-2012

This was featured on Hacked Gadgets. There should be a link in the article with more info.


12:54pm 05-09-2012
Florens Van Houtte
Hi Alan,

I'm an 18 year old student from Belgium and its my final year in high school and this year we have a to make a project. while I was surfing on your website I was thinking to make a hdd clock but I'm stuggling a liitle bit.. I don't know what language the program is.. and i also would like to contact you for some details. It would mean alot and help me alot!

thank you

PS: you've built some great projects!!
Replied on: 1:06pm 09-27-2012

This was written in PicBasic Pro

1:18pm 04-21-2012
Scott Talley
Hi Alan...
I bought your stair lighting kit from you six years ago and it's still going strong. I always meant to send you the pictures from the second story addition....well...

I just got to say, it is the hit of my remodel addition...

Thank you so much for the help and if you want pics of the finished product, just let me know.
Replied on: 1:07pm 09-27-2012

Great to hear!

6:03pm 04-16-2012
Ivan Jimenes
Hi Alan,

Great videos!. Your projects are inspirational stuff.
I was wondering if you can guide me with my project.
I am working on a similar project but i have limited experience. I was wondering if you could provide me some information or schematics about how to connect solar panels,computer fans, motion sensors and a led light.

I want to connect to a solar panel :

-three 12V computer fans
-eight led lights
-one motion sensor

Computer fans and lights must turn on when sensor is activated by motion also computer fans and light have to stay turned on up to 10 minutes.

Again wonderful work there!

Ivan J.
Replied on: 1:11pm 09-27-2012

I think all you may need is a motion sensor that has a time output needed for the shortest delay then build a pulse stretcher circuit for the longer delay needed.

11:46am 04-15-2012
Hi Alan,

I would like to use the automatic light controller for two flights of stairs (three entrances). I have a 12 Volt DC source, 100 W and LED strip lights monochrome.
Do you think your controller would work for this setting?
Is it possible to have 4 sensors instead of two, one pair for each flight of stairs?
How much would that cost and how long does it take to get the final product?
Thank you.
Best regards,
Replied on: 1:12pm 09-27-2012

Sorry this controller can't control strip lights due to their power consumption.

12:50pm 04-04-2012
Hi Alan.i'm trying to built hdd clock but i have a problem. i program the pic (PIC16F628A) i connect everything in the circuit exept the beam sensor.when i turn it on the leds are on all the time and nothing happents,like i give 5 volts only in the leds.i think i did everthing right .any suggestions?

Sorry for bad english.
Replied on: 1:14pm 09-27-2012

You might want to connect the beam sensor and see if it starts to work.

12:09pm 04-03-2012
george s lavra
Great! Just starting to work w/cell phone display. Good info and resources.
Replied on: 1:17pm 09-27-2012


1:57pm 04-01-2012
Rogerio Francisco
Hi Alan, could you help me with 16f727 touch, i´m trying to do a circuito with 16 touch buttons and 16 leds. please.
Replied on: 12:54pm 09-27-2012

A sensor chip like this might work well for you.

2:42am 02-12-2012
Bagus Lemarki
Hi Alan, can you help me, i looking for the Fireball V90 CNC Router Assembly. I saw your article at about that. can you tell me how about the Fireball, would you show me the spec, anda about the price, if i buy one of them, can buy the spare part, because i want make it to education on my country. Thanks before. Sincerly Bagus
Replied on: 5:19am 02-12-2012

The CNC machine is lots of fun. You can see the company who makes it here.

3:07am 01-24-2012
hi alan we are working on single column rotating LED display .can i know what type of Led do we need to use . i need to know the specifications of the LED .
Replied on: 9:11pm 02-04-2012

Hi Findo,

You can use normal 5mm ones like the ones that we sell.

10:12pm 01-12-2012
HI Alan, my son put together the gear clock christmas present last night. It only took him 3 hours to solder the board and assemble the clock. He plugged it in and its keeping time perfect. Not bad for a first time soldering on a board being only 12 years old. I'm so proud of him. It looks great. Or, in his words, "its ethic". I think he is hooked

Replied on: 9:12pm 02-04-2012

Looks great Noel. Thanks for sharing it.

4:45pm 01-01-2012
Excellent...I have seen the videos about the HD fans and I think its a great idea. Very cleaver indeed. I would love to know everything about electronics but I think there's too much to learn and I don't have a so good memory. Hats for all those people who have creativity and knowledge to reach their goals and build all kinds of things / gadgets. Rick
Replied on: 9:14pm 02-04-2012

Hi Rick,

Just start small and learn from there.

8:55am 12-21-2011
Great site, especially for a novice like me. I have worked with accerometers and high speed data acquisition systems in the field of vibration test and analysis, however the world of micro controllers is a new one for me and I find it fascinating.
I would like to get a copy of the program code for the "3-5v LED CHASER" project. This is the best chaser project I have found, and I've looked around a lot. Also I have plenty of the PIC16f628 chips and other components. I wanted to build the project to entertain the grandchildren. Thanks for your site, I will return often. Bill
Replied on: 9:16pm 02-04-2012

Hi Bill,

Sounds like this project was one featured on Hacked Gadgets, there should be a link in the article with more info.

5:09pm 10-10-2011
Hi my name is Hristo im currently attempting to build your plasma speaker deseighn posted on i can see how it works but i realy need a better explantion on what the transformer you used is it says 6-8turns on a ferrite core but at what voltage could you please send me the specs of that transformer
Replied on: 9:15pm 02-04-2012

Hi Hristo,

That was actually just featured on Hacked Gadgets, there should be a link in the article with additional information.

1:00am 10-02-2011
Hi Alan
What is the difference between your Stair light V1.0 and V1.3

Thanks & Regards
Replied on: 12:26am 10-10-2011

Hi Saga,

The current versions is V1.3 and V1.4. When purchasing the controller select the operating style at the bottom of the page.

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