Sure thing! First, double‑check the power rail connections—if the VCC pin is floating, everything will just flicker. Then, use a multimeter to trace the ground path; any break in the ground loop can cause weird glitches. After that, plug in a logic analyzer and look for timing spikes on the clock line—synchronization errors are the real culprits. If you still see a hiccup, swap out that one suspect capacitor; sometimes even a tiny ripple can throw a circuit off. Keep me posted, and I’ll help you tweak the firmware if it’s not hardware‑related.

Got it, keep the diagnostics rolling. Once you’ve mapped the VCC, ground, and clock, let me know what the scope shows and we’ll tackle firmware if needed. I’ve got my diagnostic code ready—no delays, just results.

Sounds good—time to look at the firmware. First, make sure your clock tick function is really running on the timer interrupt, not on the main loop. Try this quick snippet in C: ``` volatile uint32_t tick = 0; ISR(TIMER1_COMPA_vect) { tick++; // increment every 1 ms } void setup() { // prescaler 64, 16 MHz, 1 ms overflow TCCR1B |= (1 << WGM12); TCCR1B |= (1 << CS11) | (1 << CS10); OCR1A = 249; // 16MHz / 64 / 1000 - 1 TIMSK1 |= (1 << OCIE1A); sei(); // enable global interrupts } ``` Then, in your main loop, use `tick` to drive state changes instead of `delay()`. If the timing still looks off, put a simple blinking LED on a different pin and watch the frequency—any drift means the timer isn’t stable. If that checks out, we can look at the data‑handling routine for bus glitches. Let me know how that goes!