[simpits-tech] N1 & N2 Gauges

[David C. Allen]

Hi Ray
Dose the N2 gauge you played with have a digital read out

The ones I am working with are for JT8D-7 engines

N1 p/n 8dj81wag4
N2 p/n 8dj81lyv4u

Generator p/n 2cm9aby7

I have found the generator on sleaze bay

David
Sent from FL350

> On Aug 7, 2017, at 6:06 PM, raysot at comcast.net wrote:
> 
> I have a "Benched" N2 gauge out of a 737 that runs on a single Teensy PWM output. If yours is anything like mine, the PWM signal has to switch polarity (Go Negative) during a full cycle. I simply added a 0.1uFD ceramic cap in series on the PWM output and the Gauge input.
> 
> -Ray 
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