Fixed it! tiny PIR board PIR board Finally got these, too. Ohhh, didn't expect that. And this is why... Fresnel is everywhere Plugged right into the ISP header. Upgrades! Quite small PIR sensor Lecroy probe ground clip cable Lecroy probe alligator clip New clip Some shrinking tube bad current regulation bad current regulation bad current regulation bad current regulation bad current regulation bad current regulation WaveAce224_aperiodic_pulse_trigger_NOT-OK_001 WaveAce224_aperiodic_pulse_trigger_NOT-OK_002 WaveAce224_aperiodic_pulse_trigger_NOT-OK_003 Cracked it open Not meant to be serviced The worst spot to fail IR-upgraded LCD backlights IR-upgraded Ikea Samtid IR receiver V1.10 IR receiver - back side IR receiver - front side Ice tube clock HV ripple Ice tube clock boost converter Hard Disk BLDC motor Y-wound Ice tube clock quartz Auto measurements: Δφ I call this a bug! Triggering on a certain slope Test jig for DSOs Test jig for DSOs Creating a DSO trigger test jig Creating a DSO trigger test jig Creating a DSO trigger test jig Creating a DSO trigger test jig Creating a DSO trigger test jig