Hardware
Theory
HyperPhysics is an exploration environment for concepts in physics
Batteries
Home automation
🌱💧 A Bluetooth Low Energy (BLE) soil moisture sensor Making a Linux home server sleep on idle and wake on demand — the simple way Linux-based Time Machine backup server using Netatalk and ZFS
Practice
How to Write a Bootloader from Scratch
Electronics
There's no place like home – (residence of electronics enthusiasts) The Inner Beauty of Basic Electronics Lessons in Electric Circuits Textbook Setting up an electronics workshop
Soldering
How To Get Started In Soldering for Beginners
Fun
Papercraft Models — Rocky Bergen
FPGA
How Does an FPGA Work? - SparkFun Learn
Vectorize
https://cvw.cac.cornell.edu/vector/default
Children