HackHD - How it Works
  How it Works

Click here to download the view the original installation/operation instructions.

Click here to download the newest firmware instructions.


 
The PCB has an onboard microphone and memory card holder for any 2GB to 32GB MicroSD card along with 9 screw terminals for the following:

1 = Ground - Recommended for battery negative but can be used for any of the input/output components

2 = 3.7V Input - For 3.7V lipo battery positive or external 3.7V power supply (1100 mAH minimum)

3 = Button Input - Connect a switch here to control all camera operations (turn on, turn off, record, stop, take photo, etc). Whenever terminal 3 is grounded, the button is activated. This can be connected to a push button, relay, motion controller, microcontroller (Arduino), or any other sensor that can ground it.

4 = 3.7V Output - This is just an easy way to use the power source for other components such as a motion controller, microcontroller, video light, etc.

5 = Ground - Conveniently located for the ground wire of any of the applicable inputs/outputs

6 = Video Output - Great for connecting to any device with a component video in such as a TV, DVR, or even a wireless video transmitter for remote viewing. Can record and view simultaneously.

7 = L.E.D. Output - Shows camera status. It is good to have an L.E.D. connected except when doing certain private investigation work

8 = Audio Input - For external microphone or audio source. Overrides onboard microphone. Can be connected to wireless audio receiver.

9 = Ground - Conveniently located for the ground wire of any of the applicable inputs/outputs

The HackHD uses one button operation. Whenever pin 3 is grounded, the button is activated. This can be connected to a push button, relay, motion controller, microcontroller (Arduino), or any other sensor that can ground it. If held down for a fraction of a second, the camera will boot up and start recording automatically in auto mode. It will not stop recording until the terminal is grounded again or the battery runs out in which case it will stop recording an turn off. This is the best method of saving the battery. If you have a external power source or a high capacity battery, you can use standby mode by grounding pin 3 for 3 seconds to turn it on in standby mode. The LED will go solid until you ground pin 3 for a fraction of a second and it will immediately start recording until grounded again. To turn it off just ground it for 3 seconds.

Note, the HackHD now includes a photo mode so can also take still images if set in the config.txt file. For more info see the firmware page.

 

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