Smart Track Vehicle DIY D2-1 Kit
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- Опубліковано 28 вер 2024
- This videos Sponsor: www.digitspace...
Direct Link To this kit: www.digitspace...
This is the 2nd of 3 kits sent to me by Digitspace, I retained full creative control so all it really means is that I have a couple of extra kits in the project box.
This was quite a fun build, the instructions were not in English so I had to work out a few bits along the way.
Thanks James. Interesting project. I like how it uses very basic components, no logic components or programming. Good to see that cat approved. Take care.
Ha Ha! The analytics shows that most people stop watching when I start with my end comments, interesting to see who notices the cat ;-)
@@weirdboyjim What are you calling him/her? :)
The Cat? She is called Sushi. The robot? I may borrow the batteries at some point so I don't want to get attached by naming it.
Thanks for this video. My kids used it to build their kits. The only part we found confusing was fitting the motors. After many frustrating hours of forensic level video checking, we figured it. For anyone in the same situation, you need to keep 2 things in mind:
1) The M1 and M2 solder pads on the motherboard have +ve and -ve. The pad closest to the led (on both sides) is -ve
2) With the motor laid down and oriented with the screws pointing outwards, the wire coming out from the "top" of the motor will be the -ve. This needs to be connected to the pad that is closest to the led.
You can test this yourself with a multimeter for the board and an aa battery for motor. To test the motor, wire it up and whilst keeping it oriented exactly like it would be in the finished robot, connect the wires from the motor to the aa battery; first one wire to +ve and the other to -ve and then vice versa and you will be able to tell which is the forward and which is the reverse directions. To test the connections on the board, find the battery terminals on the board and do a continuity test from the battery ground pad to the motor pads. You will find the pad closest to the led to be ground.
Glad it was useful! I hope your kids enjoyed the kit building experience!
I built that one once. Also gutted another one of those for the motors to drive a separate robot, welded into a dumb carpetsweeper I bought. the things we do
It's been sat on my shelf but the glue that golds the motors in place is failing
Can it carry the weight of your 8 bit computer I wonder 😊
On a more serious note, where did you get your microscope ?
I doubt it, those motors are not strong. the microscope was an ebay cheapy, I can't find the exact listing, but this looks like the same model: www.ebay.co.uk/itm/2MP-USB-Digital-Microscope-500x-8-LED-Camera-Stand-Microscopy/402441635565
A simple light bot.
got a smaller version of this on my desk top from 15 years ago.
I wonder how small you could make one of these. A couple of cm shouldn't be too difficult.
I bet you use lead free solder ?
I don't actually, but I have been thinking about switching over the lead free for my next big build.
The kind of guidance the robot was doing is called "bang-bang" steering: if you are too far to the left, steer right and if too far to the right, steer left. The problem with it is that this method, although it works, produces a rough side-to-side swinging motion. A more sophisticated method that would give the robot a smooth motion is to use a software PID controller to control the speed and direction of the motors. However, the microcontroller hardware requirements would probably triple the cost of the robot.
There are actualy some really cheap microconrollers out there, if you had a couple of analogue in's you could attach the ldr's and avoid any manual tweaking.
Please recommend some James
Neat little toy kit, I remember seeing similar ones in electronics magazines as a kid :)
Also, kitty!
It was fun.
Put it on the hardwood floor, would it follow the lines between planks?
I gave it a try, My floor has a lot of albedo variation so it ended up random meandering around. Actually quite cool but it would find something to get stuck against quite quickly.
My car has just gone off for repair after a bloke drove like that.
People are supposed to have driving skills that surpass a dozen analogue components. Supposed to.
@@weirdboyjim I've seen the CCTV footage, this guy had the driving skills of a two year old with a toy fire truck. A black line around my car would have been a great idea.
How does it do if you reverse both motors and drive it backwards?
I think you would need to swap the set of contact each motor was wired to as well so it would still turn back towards the line. I may give it a try if I get bored.