The accessory TTL Trigger EXT allows the synchronization between an amplifier of a Bitbrain device with Dig input and a equipment external to Bitbrain.<span class="EOP SCXW80884550 BCX8" data-ccp-props="{&quot;201341983&quot;:0,&quot;335559685&quot;:720,&quot;335559739&quot;:160,&quot;335559740&quot;:360,&quot;469777462&quot;:[1080],&quot;469777927&quot;:[0],&quot;469777928&quot;:[1]}">&nbsp;
<h2>How to use: </h2>
<img src="https://cms-help-center.bitbrain.com/assets/c039fa67-6303-4538-beb5-08eb7a147515?key=optimized-product-image" alt="Imagen2">
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Figure 1: A) Receiver. B) Transmitter. C) Fiber optic cable&nbsp;
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The connection is made as follows (for this example a Versatile BIO is used:)<span class="EOP SCXW98975527 BCX8" data-ccp-props="{&quot;201341983&quot;:0,&quot;335559685&quot;:720,&quot;335559739&quot;:160,&quot;335559740&quot;:360,&quot;469777462&quot;:[1080],&quot;469777927&quot;:[0],&quot;469777928&quot;:[1]}">&nbsp;
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Receiver:&nbsp;<span class="EOP SCXW98975527 BCX8" data-ccp-props="{&quot;201341983&quot;:0,&quot;335559685&quot;:720,&quot;335559739&quot;:160,&quot;335559740&quot;:360,&quot;469777462&quot;:[1080],&quot;469777927&quot;:[0],&quot;469777928&quot;:[1]}">&nbsp;
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<ol class="NumberListStyle1 SCXW98975527 BCX8" role="list" start="1">
<li class="OutlineElement Ltr SCXW98975527 BCX8" role="listitem" data-leveltext="%1-" data-font="Roboto Light" data-listid="8" data-list-defn-props="{&quot;335552541&quot;:0,&quot;335559684&quot;:-1,&quot;335559685&quot;:1800,&quot;335559991&quot;:360,&quot;469769242&quot;:[65533,0],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;%1-&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}" aria-setsize="-1" data-aria-posinset="1" data-aria-level="1">
Plug in the receiver&rsquo;s jack in the Din input of the Versatile BIO amplifier.&nbsp;&nbsp;<span class="EOP SCXW98975527 BCX8" data-ccp-props="{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:360,&quot;469777462&quot;:[1080],&quot;469777927&quot;:[0],&quot;469777928&quot;:[1]}">&nbsp;
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<li class="OutlineElement Ltr SCXW98975527 BCX8" role="listitem" data-leveltext="%1-" data-font="Roboto Light" data-listid="8" data-list-defn-props="{&quot;335552541&quot;:0,&quot;335559684&quot;:-1,&quot;335559685&quot;:1800,&quot;335559991&quot;:360,&quot;469769242&quot;:[65533,0],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;%1-&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}" aria-setsize="-1" data-aria-posinset="2" data-aria-level="1">
Turn on the receiver with the switch. If the light is white then it is charged, if the light is red you need to charge it. It is not possible to use the receiver while it is charging.&nbsp;<span class="EOP SCXW98975527 BCX8" data-ccp-props="{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:360,&quot;469777462&quot;:[1080],&quot;469777927&quot;:[0],&quot;469777928&quot;:[1]}">&nbsp;
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<li class="OutlineElement Ltr SCXW98975527 BCX8" role="listitem" data-leveltext="%1-" data-font="Roboto Light" data-listid="8" data-list-defn-props="{&quot;335552541&quot;:0,&quot;335559684&quot;:-1,&quot;335559685&quot;:1800,&quot;335559991&quot;:360,&quot;469769242&quot;:[65533,0],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;%1-&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}" aria-setsize="-1" data-aria-posinset="3" data-aria-level="1">
Connect the receiver to the power (USB port of the computer or USB outputs with the same power supply).<span class="EOP SCXW98975527 BCX8" data-ccp-props="{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:360,&quot;469777462&quot;:[1080],&quot;469777927&quot;:[0],&quot;469777928&quot;:[1]}">&nbsp;
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<img src="https://cms-help-center.bitbrain.com/assets/7c291dab-5fcf-4b96-b4cf-7db24e71b9c2?key=optimized-product-image" alt="Imagen3">
<span class="EOP SCXW147015979 BCX8" data-ccp-props="{&quot;134245418&quot;:true,&quot;201341983&quot;:0,&quot;335559685&quot;:1080,&quot;335559739&quot;:160,&quot;335559740&quot;:360,&quot;469777462&quot;:[1080],&quot;469777927&quot;:[0],&quot;469777928&quot;:[1]}">Transmiter:
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<li class="OutlineElement Ltr SCXW218958138 BCX8" role="listitem" data-leveltext="%1-" data-font="Roboto Light" data-listid="7" data-list-defn-props="{&quot;335552541&quot;:0,&quot;335559684&quot;:-1,&quot;335559685&quot;:1800,&quot;335559991&quot;:360,&quot;469769242&quot;:[65533,0],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;%1-&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}" aria-setsize="-1" data-aria-posinset="1" data-aria-level="1">
Connect the fiber optic cable to the transmitter.&nbsp;<span class="EOP SCXW218958138 BCX8" data-ccp-props="{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:360,&quot;469777462&quot;:[1080],&quot;469777927&quot;:[0],&quot;469777928&quot;:[1]}">&nbsp;
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<li class="OutlineElement Ltr SCXW218958138 BCX8" role="listitem" data-leveltext="%1-" data-font="Roboto Light" data-listid="7" data-list-defn-props="{&quot;335552541&quot;:0,&quot;335559684&quot;:-1,&quot;335559685&quot;:1800,&quot;335559991&quot;:360,&quot;469769242&quot;:[65533,0],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;%1-&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}" aria-setsize="-1" data-aria-posinset="2" data-aria-level="1">
The flat side of the casing must rest on the table, as shown in Figure 3-A) to connect Vin and GND of the external digital signal you want to use.<span class="EOP SCXW218958138 BCX8" data-ccp-props="{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:360,&quot;469777462&quot;:[1080],&quot;469777927&quot;:[0],&quot;469777928&quot;:[1]}">&nbsp;
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<img src="https://cms-help-center.bitbrain.com/assets/db64c3f2-86b7-40f9-b153-cc4d32aa3b9d?key=optimized-product-image" alt="Imagen4">
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&nbsp;
<h2>Connector on Versatile Bio:</h2>
<a href="https://help.bitbrain.com/versatile-bio-master-io-list" target="_blank" rel="noopener">Digital Input</a>

Configuration and Methodology

Versatile Bio Sensor Guide: External TTL

Using the external TTL on the Versatile Bio system

How to use:

Connector on Versatile Bio: