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Amplifier for optical tachometer
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Amplifier for optical tachometer
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Optical tachometer
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Mechanical doodads!
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Photo-interrupter board (back)
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Photo-interrupter board (front)
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Photo-interrupter mounted
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IR Reflection Sensor
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LM465 board, partially stripped
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LM465 board, partially stripped
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LM465 board, partially stripped
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Original foot pedal motor controller
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Making room for the 1/8" jack
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Making room for the 1/8" jack
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Pedal with 1/8" jack mounted
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Pedal with 1/8" jack mounted
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Pedal after modification
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Pedal after modification
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Pedal after modification
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Open-loop triac speed control test
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Open-loop triac speed control test
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Open-loop triac speed control test
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Open-loop triac speed control test
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Open-loop triac speed control test
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Foot pedal test with AVR Butterfly
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Foot pedal test with AVR Butterfly
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Foot pedal test with AVR Butterfly
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New motor, old motor
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New motor, mounted
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New motor, mounted
