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Back to steve_ancell's Blog ( Created 10 March 2017 | Last Edited 10 March 2017)
My Arduino experience.
As many of you know, I've been playing around with Arduino since recently. I've made a video to demonstrate that a 4x4 membrane keypad can be used without the need for any keypad libraries.

Here's the video, I will be uploading a circuit diagram shortly.


View on YouTube

Latest Comments

Posted : Friday, 10 March 2017, 13:33
Jayenkai


That looks like a fun project to work on.
I really should get into electronics, some day...

Homepage : http://AGameAWeek.com
Posted : Friday, 10 March 2017, 13:37
steve_ancell


It's easy enough to get into Jay, keeps the brain ticking.

Highslide JS

Homepage : http://homepage.ntlworld.com/stephen.ancell/index.htm
Posted : Friday, 10 March 2017, 13:39
steve_ancell


Let there be code!


-->

Homepage : http://homepage.ntlworld.com/stephen.ancell/index.htm
Posted : Saturday, 11 March 2017, 12:29
spinal


cool.
@jay, if you get one of the arduino kits and things designed for them, it can be done entirely without soldering etc. just plug and play, sort of.

Homepage : http://spinalcode.co.uk
Posted : Saturday, 11 March 2017, 19:21
steve_ancell


I'm experimenting with a piezo transducer at the moment, I've had it giving out alarm sounds. Now I'm trying it as a sound detector, it flashes the onboard LED but the piezo needs to be tapped sharply on the table. I will be making an amplifier circuit to make it more sensitive, got enough transistors and resistors but just need to rob a capacitor from anything I have lying around.

Homepage : http://homepage.ntlworld.com/stephen.ancell/index.htm
Posted : Thursday, 16 March 2017, 18:26
steve_ancell


Another video done. This time I configured it to play tones through a speaker when keys on the pad are pressed.

Files and circuit diagram is in the description but, considering this is SoCoder, I had damn well better place a direct link here. Linkage!



View on YouTube

Homepage : http://homepage.ntlworld.com/stephen.ancell/index.htm
Posted : Sunday, 19 March 2017, 18:24
steve_ancell


Here's another one:

Files: Linkage!


View on YouTube

Homepage : http://homepage.ntlworld.com/stephen.ancell/index.htm
Posted : Monday, 20 March 2017, 03:49
Jayenkai


Neat!
Makes me want to "start somewhere!"

Homepage : http://AGameAWeek.com
Posted : Monday, 20 March 2017, 13:11
steve_ancell


If you do then get the cheap Chinese UNO, they're only a few quid so you won't lose much if you managed to blow it up. I've not had any problems with mine yet even though I give it loads of abuse.

I will be getting one of the other cheap UNOs at some point, this time the one with the DIL chip instead of the surface mount one that I have on this one. That way I can program it and then transfer the standalone chip to a permanent project, you save space that way. Also gonna get a programmer board for PIC chips.

Homepage : http://homepage.ntlworld.com/stephen.ancell/index.htm
Posted : Monday, 20 March 2017, 13:15
steve_ancell


You also need to remember to put a 10K resistor from any input pins to ground in order to pull it low, or you will get really bad undesired effects. Although I am gonna toy around with not using a pulldown resistor at some point, I discovered the possibility of using it in that way to make a proximity sensing application.

Homepage : http://homepage.ntlworld.com/stephen.ancell/index.htm
Posted : Monday, 20 March 2017, 20:27
steve_ancell


Very crude way of detecting proximity.

Files for this project: Linkage!



View on YouTube

Homepage : http://homepage.ntlworld.com/stephen.ancell/index.htm
Posted : Friday, 24 March 2017, 12:42
steve_ancell


More code and tubage!, playing around with a servo this time.

Files for this project: https://drive.google.com/open?id=0BxShBC9w_oHPNS1ycGVwTDQ5azQ

-->



View on YouTube

Homepage : http://homepage.ntlworld.com/stephen.ancell/index.htm
Posted : Friday, 24 March 2017, 13:29
steve_ancell


With the amount I've been learning about Arduino, I guess I will be scouring eBay for parts soon so that I can start building bots and stuff.

Homepage : http://homepage.ntlworld.com/stephen.ancell/index.htm
Posted : Friday, 24 March 2017, 13:43
Jayenkai


Next stop.. Mr Beakotron enters Robot Wars!!

Homepage : http://AGameAWeek.com
Posted : Friday, 24 March 2017, 13:45
steve_ancell




Homepage : http://homepage.ntlworld.com/stephen.ancell/index.htm
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