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As infrared LED array came up with technology and state of the art electronic and optical components that will bring us the ultimate in day and night vision efficiency and high power infrared output.
This can be started by calculating how much infrared radiation you will need in order to light your scene that would be the focal range of your camera since details are...
Jet engine sound generator
Description.
This jet engine sound generator circuit is based on the sound generator IC HT2844P from Holtek Semiconductors. This particular IC can make four sounds namely low speed sound of jet engine, high speed sound of jet engine, missile sound and machine gun sound. Each of these sounds can be activated by connecting the pins 12, 13, 14and 15 to ground by using the respective push button switches....
