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Instructables

• 

  Using a Stepper Motor As Automtive Speed Sensor

  26 13K
• 

  Transform a Trimmer Potentiometer Into a Multiposition Rotary Switch

  11 3.1K
• 

  Digital Multimeter for Your Car

  130 80K
• 

  Digital Speedometer, Tachometer & Engine Temperature Display

  32 28K
• 

  LED Speedometer

  207 94K
• 

  DIY LED Tachomter (RPM Gauge)

  144 152K
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  DIY LED RPM Gauge

  13 9.8K
• 

  DIY LED Tachometer

  11 12K