If you have several Github accounts (e.g., one for work, another personal), you know what I’m talking about: you try to clone a work repo from your personal laptop and you get an authentication error: My personal laptop has my personal Github account configured by default. When I try to clone a repo from my work account, I get the authentication error above 👆. ...
Using a Coral TPU is annoying because interfacing with it requires outdated libraries which may not be available a certain embedded system. Instead, in this post I will reverse-engineer the process of interfacing with the Coral TPU. As a result, I will be able to mock a simple driver that only requires USB to send data for inference, which works in Python without additional libraries. All the software is available in my Github. ...
Self-replicating programs Let’s talk about self-replicating programs: A self-printing program - or quine - is a program that, when executed, prints it’s own source code. Why is this even relevant? Well, think about DNA, biological reproduction or even the RepRap 3D printer movement. There are many quines that you can see just with a quick Google. However, seeing them will give you no insight into self-replicating programs. Most are quite obfuscated and resemble esoteric code that appears to be the product of a convoluted form of prestidigitation. While they function, they often seem more like a way for the author to showcase their skills rather than a genuine exploration of the concept. ...
Introduction This project started with a simple question: How difficult would it be to get machine learning running locally on my FPV drone? After several iterations, I managed to run object detection on the video feed captured by my drone with a latency high enough not to introduce lag in the flying experience. At this point I must take a pause. I know what you’re wondering: are you building smart killer drones? Definitely not! The models that I’m using or I could use with my hardware are too simple and faulty to be of any practical use! These weapons exist, but still remain far away from what you can build at your home. ...
What happens when you reduce a ML framework all the way to its bare bones? - You get teenygrad. In this post, I want to dive into the source code of teenygrad to illustrate the software architecture behind some important concepts of ML-engines like backpropagation and computational graphs. It’s true that you can go read the code directly (it’s not that difficult) but… why not take a guided tour first? If you enjoyed Karpathy’s micrograd, you’ll like teenygrad. ...
What is it? A command-line tool to interact with a 28c256 256KB EEPROM, which is the one used in Ben Eater’s 6502 pc. Allows reading contents from the EEPROM and writing data to it. Note: The command used to drive the EEPROM isnuensis. It is named after the Amanuensis monks, which provided services as scribes. Check the project on Github to make your own! ...
What is it? A camera-controlled cat feeder that only exposes the food when a certain pet is around. Motivation I have two cats: one is black and slim and the other is white and chubby. The black one is called Lilo. The white one, Coco. The problem is that Coco eats Lilo’s wet food. I’ve built an automatic pet feeder that only exposes the food when Lilo approaches, thus stopping Coco from eating it. ...
It’s November 18th. Winter is already making an appearance here in Scandinavia. My hands start to get cold when I bike home, the few leaves that remain in the trees are falling, and the darkness arrives before the workday is over. Recently, I quit my job because it didn’t fullfil me and, for once, I’ve decided not to rush-into-the-next-thing. I’ve decided that, for the next 4 months, I will encourage my own creativity and see where it brings me. I’ll try to build my next thing. I’ve called this period… the Winter of Output (inspired by Andy Kong’s Year of Output). ...
