Most of us first hear about the irrational number π (pi)—rounded off as 3.14, with an infinite number of decimal digits—in school, where we learn about its use in the context of a circle. More ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

HC Bioscience is shutting down after conducting preclinical models for a transfer RNA (tRNA) asset designed to treat hemophilia A. The Cambridge, Massachusetts-based biotech is closing “following ...

Through its mobile mining app, trust-based security system and growing ecosystem of applications, Pi aims to bring crypto to everyday users without the barriers of expensive hardware or high energy ...

More often than not, an IoT master device uses the SPI (serial peripheral interface) and I 2 C (inter-integrated circuit) protocols to exchange data with EEPROMs or sensors that are operating in slave ...

This project provides a webthing API to a PIR motion sensor such as descriped here. The pi_pir_webthing package exposes an http webthing endpoint which supports detecting motion via http. E.g. # ...

This code uses the libgpiod library and time stamped events to measure the length of the echo pulse. See https://github.com/HankB/GPIOD_Debian_Raspberry_Pi/blob/main ...

Raspberry Pi’s new RP2350 microcontroller is a small cheap chip that powers the Raspberry Pi Pico 2 and other inexpensive development boards. Released earlier this month, the RP2350 is a major upgrade ...