This is the wireless camera i use for my surveillance system
Circuit diagram:
These are the items need to setup a wireless camera:
Procedure:
1) Drill a hole at the top front part of the remote control car
2) screw the camera to the remote control car
3) Connect the antenna to the receiver
4) Connect the A/V cable to the receiver
5) Connect the other end of the A/V cable to a monitor or television
6) Connect the 9 volt power supply to the receiver
7 Adjust the frequency of the receiver until u get the best camera view
7)
This provides very useful information.
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spy cameras