Mechatronics Engineer | • Embedded Systems • Robotics • AI | Building Things That Actually Move
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Update on Project LEONARD ‼️
Did a crude lil’ thrust test today with the 46mm props.
The scale read ~40g.
40 × 4 = 160g total thrust.
With the drone final weight likely to be around 60g, that's roughly a 2.7:1 thrust-to-weight ratio.
Should be enough… right? 👀
Update on Project LEONARD ‼️
Look at the lil guy.
I kinda reprogrammed that modified kitchen scale to measure weight now 🫠.
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This video is a good testament to the importance of PID.
Without a flight controller actively correcting the motors, LEONARD has absolutely no idea which way is up.
So yeah...
PID is getting promoted from “thing I need to implement” to “thing I desperately need.” 🫠
Update on Project LEONARD ‼️
I just couldn't wait to finish the flight controller I had to see it hop.
And no it's not Motorola 😂. The amount of people that motors Motorola is astonishing. The worse part is that they don't realize it.
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Update on Project LEONARD ‼️
Look at the lil guy.
I kinda reprogrammed that modified kitchen scale to measure weight now 🫠.
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Update on Project LEONARD ‼️
I just couldn't wait to finish the flight controller I had to see it hop.
And no it's not Motorola 😂. The amount of people that motors Motorola is astonishing. The worse part is that they don't realize it.
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The props arrived yesterday 😁. Leonard's starting to take shape.
Still working on the avionics
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The level of programming, researching and technical skills required for this project is immense.
So help me God
Update on Project LEONARD‼️.
Model in CAD. Prototype in hand.
I used the dimensions from the CAD model to build Mark One, and it came out just the right size. 🔥
Now we move into the avionics.
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Update on Project LEONARD‼️.
Model in CAD. Prototype in hand.
I used the dimensions from the CAD model to build Mark One, and it came out just the right size. 🔥
Now we move into the avionics.
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New sauce? 👀
This is Siwes period and Uniben has finally locked in oooo 😂
We've been assigned to build a robotic arm. Of course I'm the group leader 😁.
Here's the model we wanna use.
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Have a look at the component placement 👀
Now that I have everything roughly where I want it, I can finally start designing the actual thing the way I want to build it.
And before anyone asks… that is NOT an 18650 🙃
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Playing Tetris with components 😂
I’ve been experimenting with different placements before committing to the actual design.
Modelling the individual components makes this so much easier. I can see what fits, what doesn’t, and what’s about to ruin everything 🫠
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I imported the motor driver board into my drone model. It fits perfectly 🤌🏾.
Although I do need to adjust the length as it potrudes on both sides.
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Update on Project LEONARD.
I designed the 4ch unidirectional motor driver using the AO3400 mosfet.
I think there could be some improvements to the design.
@nzevh_ how did I do 🫠
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BioSync lets students take attendance anywhere on campus after registering only once
Normally, multiple fingerprint sensors require separate registration. I solved that problem, only for the judges to say:
“It's just fingerprint attendance. What did you do?” 😭
Last place btw.
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What I mean is if you want to use 3 fingerprint sensors, you need to be independently registered on each of them - 3 sensors 3 registrations.
With Biosync you need one. So even if you have a thousand attendance nodes you only have to be registered once to use any of them.
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The current and best version of BioSync.
Custom 3D-printed case, modular architecture, improved UI, separate registration and attendance roles, and a much much smaller electronic board.
Definitely a far cry from the first prototype 🫠.
Still it was heavily misunderstood.
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