im using arduino uno, L293D arduino dc motor control and HC05 bluetooth module.. i want to use 5 DC motor including 1 for grass cutter and 4 for the wheel. the battery will be using 12V
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Good. Where's the question?
Sounds like a lawnmower. Post your annotated schematic as you have it. Also post the technical details on the motor. Also the L293 may be light, it will drop 3V and burn that as heat or 25% of your battery energy.
Maybe any safety measures? (Should it stop chopping when a kid turns it around?).
What should it do?
What code did you make yourself?
775 DC motor will be used
no ii'll use nylon
instead using sensor, will be using HC05 bluetooth module
So, the question is?...
Do you mean you need someone writing the code for you (moreover based only on that image with an incomprehensible pattern)? If this is what you'looking for, here nobody here writes code for "third parties", sorry. You need to start something on your own, then we could help you.
What I suggest you is starting with a simulator like Wokwi creating with it a better device diagram of the project elements and connections. Just to start and based on your picture and description, I don't think you need 4 DC motors for the movement, 2 is enough (and I hope you won't use a stepper for the mowing blade...).
Then, once you're done with the diagram you could post it here, but before that you should start there by writing some code (you could even test part of the code using the simulator, but the next step is to start building the project in "real life" and putting your hands on it).
If you don't have any Arduino experience (I don't know what is your knowledge, but I assume you're a newbye if you're asking that question..), I suggest you to start with one item at the time, e.g. with a first small sketch to let the two motors run forward, left, right, backwards, and stop, in sequence. Then start learning how to implement a Bluetooth communication, and so on...
If you are a beginner to Arduino , then this is a complex project and will require substantial coding , you might be better off doing something else .
Nylon could still cause serious injury , you need safety measures to stop it as well as keeping it on the lawn.
The building of the mechanical
Bits and water proofing are a big challenge too .
Absolutely true. I suppose and hope the OP is doing this for learging purposes only. If not, and wanna make it as a "real" lawnmower ("you can tell me by the way I walk".. cit. who gets it?) I agree it's not only a complex project, it has many serious issues about the needed mechanical side, and, more important, safety issues. It's far much more than the classic Gundam syndrome...
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Because of possible injury and potential legal problems I am not going to answer any more questions. Good Luck, Safe Journey!
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