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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