Hsb133 Receiver Jun 2026

// Simple receiver sketch for HSB133 const int rxPin = 2; int lastState = LOW; unsigned long lastTrigger = 0;

| Issue | Likely Cause | Solution | |-------------------------------|----------------------------------|-------------------------------------------| | No signal, high noise floor | USB RFI from laptop | Add ferrite bead on USB cable; use external hub | | Distortion on strong signals | ADC overload | Enable attenuator (10–20 dB) | | Intermittent USB disconnect | Power saving on USB port | Disable USB selective suspend in Windows | | High spurious signals above 1 GHz | Poor shielding | Add copper tape inside case (advanced) | | Frequency drift | Warm-up or poor TCXO | Let unit warm 10 min; use external 10 MHz ref | hsb133 receiver

if (driver.recv(buf, &buflen)) // Message received with valid checksum Serial.print("Received: "); Serial.println((char*)buf); // Simple receiver sketch for HSB133 const int