It is based typical on functional code (as base to OOP) and provide PID algorithms and signal processing based on industrial standard implementation ( but without alarms). Also I added a curve ...
┌─────────────────────┐ ┌─────────────────────┐ │ CONTROLLER │ │ TRAIN RECEIVER │ │ (Handheld) │ ESP-NOW (WiFi) │ (On Train ...