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Can you use a center off double pole switch? Really easy to reverse current with one.
**broken link removed**
Your circuit has floating bases, you may want to add a couple more resistors to keep the tied to power & gnd.
You need two PNP and two NPN transistors.
Sorry I didn't notice before... you also need to swap the PNP emitters with one another.
Your bases won't be floating when you hook them to the PIC.
Here's what I mean: The two inputs are MCU ports. Won't work with a switch without additional resistors. Probably should replace the 1Ks with 220 or 270 ohms.
My actual voltage differential across the solenoid is only 2.5V either way....I'm a bit confused as to why? Any ideas how to correct this?
Thanks
My actual voltage differential across the solenoid is only 2.5V either way....I'm a bit confused as to why? Any ideas how to correct this?
Thanks