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The Ugo Basile Fear Conditioning Cage external digital inputs

Introduction

There are four external TTL inputs available on an Ugo Basile Fear conditioning Cage. TTL is a standard 'logic' signal used by many digital devices, and it's not uncommon to find devices which output signals at TTL levels. For example, a capacitive proximity sensor might have a TTL output which switches to a logic 1 when something is close to it.

The Fear Conditioning Cage TTL inputs specification

Active stateUser selectable
Switching threshold low1.0V
Switching threshold high3.0V
Read frequency20Hz

Connecting the input to something

If a device has a TTL level output ,then you just need to connect the device to the TTL input (and to GND) and ANY-maze will be able to read the output's level.

Using an input within an experiment

In order to use a TTL input in an experiment, it must be included in the protocol. This is a simple process and is described in detail in the Setting up an On/Off Input topic.

See also:

 Making I/O connections 
 Connecting an on/off input switch 
 An introduction to on/off inputs 
 Setting up an on/off input 

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ANY-maze help topic T1260