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Deleted member 4366
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Frienly1uk on Endless Sphere figured out how they work so you can modify them for a different voltage.
From a PM from him, "FYI it's an lm324 used like this: Google Images ... &dur=17444
Just 3 of the 4 opp-amps are used on our chip, for 3 leds. All 3 have there minus inputs linked just as shown.":
Endless-sphere.com • View topic - Frog Box Voltmeter Recalibration
From a PM from him, "FYI it's an lm324 used like this: Google Images ... &dur=17444
Just 3 of the 4 opp-amps are used on our chip, for 3 leds. All 3 have there minus inputs linked just as shown.":
Endless-sphere.com • View topic - Frog Box Voltmeter Recalibration
