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 Digi 35 CPU - voltage overshoot Digi 35 CPU - voltage overshoot Digi 35 CPU - voltage overshoot Digi 35 CPU - voltage overshoot Digi 35 CPU - voltage overshoot Digi 35 CPU - voltage overshoot LUFA-based avrispmkII clone - www.bravekit.com TSOP38238 ready - IR control TSOP38238 ready - IR control Not perfectly aligned WaveAce224_periodic_pulse_trigger_OK_004 WaveAce224_periodic_pulse_trigger_OK_003 WaveAce224_periodic_pulse_trigger_OK_002 WaveAce224_periodic_pulse_trigger_OK_001 WaveAce224_aperiodic_pulse_trigger_NOT-OK_003 WaveAce224_aperiodic_pulse_trigger_NOT-OK_002 WaveAce224_aperiodic_pulse_trigger_NOT-OK_001 bad current regulation bad current regulation bad current regulation 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...