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Predicted Brain Age Gap and Cardio-metabolic Health
We use deep learning on a large MRI dataset to show that how old a brain MRI scan “looks” to a 3D-CNN is associated with clinical diagnoses.
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Neuro-structural Changes in Dementia
Using Nilearn and the OASIS-1 dataset, we introduce working with MRI data and performing brain voxel analyses and creating brain maps.
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Two-Link Robotic Manipulator Control
To control a 2R robotic arm, we derive forward and inverse kinematics, energies, and apply the Euler-Lagrangian equation for joint torques.
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ESP32 Quirks (Latching Pins, Auto-Programming Mode, USB-C, etc.)
Sometimes there’s just some weird bit of knowledge you need to know before working with a specific chip/microcontroller that you wouldn’t have guessed. Here’s my list from working with the ESP32 on my latest handheld game engine project. Summary: For GPIO, start by only using pins: GPIO 4, 13, 16 – 33. If you need…
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SimmiMega: Micro-Game Making Machine (Dev Log #2)
After the last dev log, I was trying to wire the resistive touchscreen wires directly to some of the unused analog pins left on the ESP-32, but I realized I didn’t have enough pins left. Some of the pins on the ESP-32 were input only, and some didn’t support analog reads. Instead, I ordered some…
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SimmiMega: Embedded Game Engine/Editor (Dev Log #1)
When I was first learning C and 2D arrays, my mind immediately went to old-school dungeon crawling games like NetHack. I made a simple game for an embedded system where you walked around using a 2D array as the world and characters as the objects. After finishing that project for the final in my C…
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Pi Pico not Mounting in Bootsel Mode
When working with the Pi Pico, I ran into this issue and spent too long debugging. This is what worked for me: Consider setting up a Picoprobe for easier breakpoint debugging too: https://github.com/raspberrypi/picoprobe
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16 Ways to Reduce Arduino Compile Size
There are many ways to reduce the compile size of a programming project. Varying in complexity and cost, here are 16 of the ways I’ve used to reduce the size of my projects.
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OZ — A Virtual Metaverse
Let’s talk about OZ. OZ is a virtualized parallel world explored in many works, notably by Mamoru Hosoda in Summer Wars and the Digimon movie. The possibility of connecting everyone through the Internet has been pursued in movies and shows as the possibilities would be nearly endless. As far as the amount of friends and people…
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Create a Simple Mobile Game in Unity3D
A guide on how to optimize and develop a first person mobile app in the horror genre within Unity. Download the example app from the Google Play Store.
