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Warning: mysql_fetch_array() expects parameter 1 to be resource, boolean given in /home/admin/domains/scienceflicks.com/public_html/bcms/bcmscore.lib.php on line 1616 Simplest Ventilator Prototype? | 555 timer! in General Technology Videos | Science Flicks
This one uses manometers and graduated receptacles to control tidal volume, PEEP, peak and plateau pressures. It uses a flow control and 555 timer chips for mandatory breathing and I:E ratio.
