Fourier Transform Without Fetishizing Math Equations 61 HN points • 18 Apr 23 🔬 Science Math Signal Processing Algorithms Signals are composed of different frequencies and intensities at specific times Calculating frequency magnitudes involves multiplying signals and checking sum results Fast Fourier Transform algorithm simplifies Fourier Transform computation for larger signals
Data bootstrapping and facing my mortality 137 implied HN points • 21 Jun 22 Use bootstrap to estimate performance in a larger setting without testing on a bigger dataset. Randomly sample from a small dataset multiple times to understand potential outcomes. Bootstrapping can be useful in predicting outcomes with limited data, like product performance in a larger group.
How Shaun brought his company from the brink of bankruptcy to multimillion dollar acquisition 117 implied HN points • 05 Jul 22 Shaun turned his company from near bankruptcy to a multimillion dollar acquisition. Growing up in the Bay Area exposed Shaun to successful founders like Steve Jobs, inspiring him to start his own company. Shaun's journey taught him the importance of focusing on simplicity in product design and the value of team cohesion and company culture.
Sam helps me to low-key understand radio waves through his master thesis 58 implied HN points • 22 Nov 22 Radio waves are generated by applying current to an antenna and are part of the electromagnetic spectrum. RF technology is not just for choppy car radio music, but also for medical treatments and object detection. Energy can be transmitted wirelessly using radio waves, and antennas play a crucial role in transmitting and receiving them.
Zero to One: How Companies Got Their First Paying Customers, Part I 39 implied HN points • 03 Apr 23 💼 Business Startups Entrepreneurship Marketing Sales Tech The importance of how companies get their first paying customers. Reflecting on missed opportunities in 'Zero to One' book by Peter Thiel. Examples of how companies like Adafruit, Mailchimp, Basecamp, Substack, and AppSumo got their first paying customers.
MSP430 I2C, and Trusting ChatGPT Wasted Weeks of My Life 19 implied HN points • 28 Jun 23 🕹 Technology Microcontrollers Debugging Hardware communication involves protocols like I2C, UART, and SPI for connecting microcontrollers with peripherals. In I2C communication, there are master and slave devices, and the correct implementation details are crucial for success. Consulting the manufacturer's datasheet is essential for troubleshooting hardware issues, despite guidance from tools like ChatGPT.
Learn Coding and Build a Web App Using ChatGPT In a Day, Part I 19 implied HN points • 07 Apr 23 🕹 Technology Web Development Programming Coding Machine Learning Software Development ChatGPT can help explain complicated coding concepts in an understandable way. In web app development, frontend involves what users see, while backend deals with servers. By asking clear questions and using ChatGPT, you can learn to code and build projects efficiently.
Work hard to write less and short 39 implied HN points • 13 May 22 Work hard to write less and short Focus on brevity and clarity in writing Share insights and learnings with others
Sex Toy or Normal Toy? Build Image Recognition Program in 20 Minutes 2 HN points • 30 Mar 23 🕹 Technology Machine Learning Model Training Download images and label them for your image recognition program Utilize an off-the-shelf model with preset weights like ResNet Train the model, adjust parameters like epochs and learning rate, and test it with different images