A post introducing 2021 and reflecting on the 2020 year (including blog statistics).
Blog updates during December 2020.
Schematic symbol, example circuits, equations, applications and more info about operational amplifiers (op-amps).
A beginners tutorial/introduction to KiCad.
Schematics, advantages/disadvantages to buck converters, uses/applications and more info about charge pumps (a type of SMPS).