Framed Washington Metro map uses Raspberry Pi Pico W and WMATA departure API to light 144 LEDs live. Laser-cut matboard masks 144 LEDs; data refreshes so you can see every train's position from home.

This concept isn’t new—in fact, it is the essence of representational state transfer (REST). Instead of converting to a ...

Learn how we built a WordPress plugin that uses vectors and LLMs to manage semantic internal linking directly inside the ...

Is This Currency Overvalued? Purchasing Power Parity (PPP) and Long-Term FX Valuation WTI crude holds steady after a sharp sell-off from $62.92 to $57.68, but bearish momentum still dominates. Crude ...