Re: my project Capacitive Sensing LED dimmer 12F1822 via PWM
I didn't know that zeners had a limited life span.
One thing that did occur to me (during the night
) is that this type of power supply would limit the PIC's ability to provide a "high" output with any amount of current. So if you want to use those pins for something else you would want the active state to be a LOW or ground, or change the value of the 10K resistor to a lower value.
I did measure the current draw at 0.9 ma.
I designed this to specifically be an emergency light or camping light so I wanted the PIC to draw as little power as possible in the OFF state.
With a 7 amp hour gel cell it should last quite a while drawing only 1ma.
Dwight
These PIC's are like intricate puzzles just waiting for one to discover their secrets and MASTER their capabilities.
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