title: What kind of timecode is this? (possibly ble specific)
body: <p>I am working on making a custom controller for an aquarium light. I was able to figure out how to adjust the light's internal clock, and I was able to capture some of the communication, and I found this timecode <code>545f0d31574d52565951607631</code> which translated to ascii from hex becomes <code>T_ 1WMRVYQ`v1</code>. I know for sure it's the timecode, because it works as expected.</p>
  <p>Anyone know what it is? Is it BLE specific? anyone know how to alter it?</p>
  <p>I'm pretty sure the first 4 numbers are not part of the code, but a indicator for the device.</p>
  <p>Edit:</p>
  <p>It is BLE. I should have been more clear. It does most of the transmission on UUID 1000, with the characteristic uuid being 1001. The device doesn't have a built-in clock that I can see. It turn's on and off at the times I specify in the developer’s app. After a power failure, it &quot;resets&quot; to midnight. I know that value is the timecode, because when I input it using gatter tools, I can see the light reacts accordingly. I added a photo of it updating. –</p>