User:Carsten Milkau/Dual-Atmosphere Airlock

Electronics

Constants

• Zero
• "Vacuum" pressure

Target Atmosphere

• Switch
• User:Carsten Milkau/RS-Latch

Current Atmosphere

User:Carsten Milkau/D-Latch

if (internal_pressure > vacuum_pressure)
then current_atmosphere = current_atmosphere
else current_atmosphere = target_atmosphere

Door sensor

• User:Carsten Milkau/OR Gate
• Batch Reader
• User:Carsten Milkau/NOT Gate

Door control

 if (my atmosphere) 
 then (internal pressure >= external pressure)
 else Zero

Vent activation

 if (my atmosphere) 
 then (doors closed) 
 else Zero

• atmosphere 0: max(atmosphere1, any door open) = Zero
• atmosphere 1: atmosphere1 > any door open

Vent direction

User:Carsten Milkau/NOT Gate