Mapir Survey3 Camera HDMI PWM Trigger Cables

£10.00£30.00

Use this cable to send a PWM (pulse width modulation) signal to Mapir Survey3 cameras to perform various functions.  The cables are available in lengths of 20 or 50cm and for single or dual camera operation.  Operation information is provided in the OPERATION Tab below

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Use this cable to send a PWM (pulse width modulation) signal to Mapir Survey3 cameras to perform various functions.  The cables are available in lengths of 20 or 50cm and for single or dual camera operation.

The cameras are triggered by differing PWM signals:

  • 1000us is a neutral, do not do anything level.
  • 2000us pulse trigger the camera shutter (take a photo)
  • 1500us pulse width to have the camera enter USB Media Transfer mode.

If the camera is connected to a computer using the USB/POWER/FPV port, when in transfer mode the camera’s SD memory card will then become mounted to the computer and you can access it as if the SD card was plugged into the memory card reader on your computer.  This is very useful if using a companion computer on a drone as it is possible to extract the images from the camera and onto the computer’s memory.  Then you can do anything you want, such as process the photos or store them onto an external memory stick or SSD to easily take the photos off your drone.

Additional information
WeightN/A
DimensionsN/A
Cable Option

Single Camera 20cm, Dual Camera 20cm, Single Camera 50cm, Dual Camera 50cm

SPECIFICATIONS

Cable LengthsSingle 20cm (STANDARD other options available)
Dual    20cm (two camera version)
Single 50cm (one camera version)
Dual    50cm (two camera version)
HDMI ConnectionHDMI Micro Connector
White WirePWM Pulse Signal
Red Wire+5V Power Out (Optional)
Black WireGround –

OPERATION

MAPIR Survey3 cameras can be triggered by differing PWM (pulse width modulation) signals:

  • 1000us is a neutral, do not do anything level.
  • 1500us pulse width to have the camera enter USB Media Transfer mode.
  • 2000us pulse trigger the camera shutter (take a photo)

With Survey3 cameras you can send a 1500us pulse width to have the camera enter USB Media Transfer Mode.  If the camera is connected to a computer using the USB/POWER/FPV port, when in Transfer Mode the camera’s SD memory card will then become mounted to the computer and you can access it as if the SD card was plugged into the memory card reader on your computer.  This is very useful if using a companion computer on a drone as it is possible to extract the images from the camera and onto the computer’s memory.  Then you can do anything you want, such as process the photos or store them onto an external memory stick or SSD to easily take the photos off your drone.

The diagram below shows the HDMI pins that are connected and the required PWM pulse to send depending on the function you want to perform.

Active HDMI PinsMapir Survey3 CameraMapir Survey 2 Camera
PIN 2    White WirePWM SignalPWM Signal
PIN 4    Black wireGroundGround
PIN 19  Red wire+ 5 V Power Out+ 5 V Power Out
PWM Signal Value
Level 0   1000 usDo Nothing / NeutralDo Nothing / Neutral
Level 1   1500 usEnter / Exit USB Transfer
Level 2    2000 usPhoto CapturePhoto Capture

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