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Fig. 1. Experimental feeder. (A) side view, (B) frontal view, (C) block diagram of
feeder components (arrows indicate signal direction) and (D) diagram of
electronic circuit. Details in (A) are: a, feeder head; b, tube for food
solution; c, swivel arm; d, motor; e, slotted interruptor; f, plastic cover
for cables and tube; g, valve; h, connector; i, aluminium carrier. For
experimental animals only the front part of the feeder to the end of the
plastic cover is perceivable (left part of drawing). Details in (B) are: a,
swivel arm; b, infra-red photo trigger; c, LED; d, food port; e, PVC head; f,
odour port. Development partly in cooperation with Animal Cognition Systems.
For further details see supplementary material.
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