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How To: Use the Vocoder in Logic Pro 7

This software video to show you how to use the vocoder that comes with Logic Pro 7. You will need a midi controller and microphone to play with teh Vocoder filters in Logic Pro 7. If you have these items, watch this audio editing tutorial and start learning to use the Vocoder in Logic Pro 7.

How To: Wire a 555 timer chip for PWM

This demonstrates how to wire a 555 timer chip for Pulse Width Modulation. Items used: solderless breadboard, 555 chip, 510 ohm resistor, 100k ohm variable resistor, 1 RGB LED at 20-25ma, wires, and 9v battery. And those vertical lines are what i mean in terms of what you can see only on the camera. You can see the led light of course without the camera.

How To: Spot problems in an African Spur-thighed tortoise

How do you examine a tortoise to determine its level of health? Does the tortoise need real sunlight or is a UV lamp alone adequate? Is dog food okay as a diet item? What about mites? How can you determine the sex of the tortoise? All this and more is answered by Herpetologist Hillary Dupont, with the help of Host Israel Dupont.