Ive attached a video but unfortunatly, no audio is available (but I added a seperate video for the pre-recorded playback & Vocoder). Software running on the Arduino has 2 roles: -Takes in audio from PC and calculates the VU meter levels and ouputs them to 3 digital outputs (leds) -Check the 6 digital input for On/Off state and send the correct Pre-recorded sound to plya on the PC side * I've included the Arduino source code so people can reuse the code and upload the firmware to it.
For the full light effets : Added a 3 layer blue strips VU meter in mouth piece on both sides connected to 3 Arduino's digital output pins (had to add 3 transistors as the power level were too low and 12v was needed ) Red led chasers above windshield (15$ on ebay) Side legs white leds strip Side back white leds strip 4 front painted flashlights (1$ each at the dollar store) Here it is the overview connection schematic: Sub PC Computer: USB port Arduino Nano v3 controller board 6 Digital inputs switches + 3 output leds Audio output -> Arduino Nano v3 controller board -> Analog Input 0 Audio Amplifier: Left channel is for the pre-recorded playbacks Right channel is for the live vocoder robot voice. Computer sound passing thru an 200w Amplifier -Added a hidden dynamic vocoder, this is for live Robot voice see -> NOTE: This required 12 AC as portable source. Details of mods: -Attached and glued a complete sub notebook computer in Prime's back (LCD screen was already broken) -Added a Arduino controller board (10$ on ebay) -Added 5 N/O toggle switches in left hockey glove hand to controls Pre-recorded Mp3 playbacks via an Arduino Nano v3.
#Optimus prime voice changer mask mod
My design is more for the voice talking mode and control mod part of it which adds another level of complexity. This is the Modified* version of Optimus Prime with added Voice and Lights mods for better crowd impact! Had a complete blast, won 1st price! I will not give the details of the body construction as Dannyeurena did a pretty good job explaining that part.
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