embedded programming

Arduino compilation errors usually fall into a few predictable buckets: Syntax errors: missing semicolons, braces, quotes Name/Scope errors: variables/functions not declared, wrong casing Type errors: mixing incompatible types, wrong function signatures Library errors: missing libraries, wrong versions, wrong include names …

At the heart of nearly every Arduino project are three core functions: digitalWrite() digitalRead() analogRead() Arduino interacts with the real world by turning pins on and off, reading button states, and measuring sensor values. Even though they seem simple, it’s …