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 WaveAce224_periodic_pulse_trigger_OK_001 WaveAce224_periodic_pulse_trigger_OK_002 WaveAce224_periodic_pulse_trigger_OK_003 WaveAce224_periodic_pulse_trigger_OK_004 WaveAce224_periodic_pulse_trigger_OK_005 Doesn't look like 'just' 10mA to me :-( Digi-35-CPU - analog section Not impressive Testing C26 Unstable control loop Interface chips DIGI 35 CPU A Power supply investigation TL084 quad opamp Shunt resistors C26 hack C26 hack Digi 35 CPU - voltage overshoot bad current regulation bad current regulation bad current regulation Some shrinking tube New clip Lecroy probe alligator clip Lecroy probe ground clip cable Quite small PIR sensor Upgrades! Plugged right into the ISP header. Fresnel is everywhere And this is why... Ohhh, didn't expect that. Finally got these, too. PIR board tiny PIR board Fixed it! Melted to stay in place Cracked it open Not meant to be serviced The worst spot to fail IR-upgraded LCD backlights