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Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Hi, just wondering if there is a device or circuit that will solve my problem?
Problem:
I have a fish tank filter/pump that needs to be primed (filled with water) so that it will continue to circulate the water. However, when the power flickers or goes out and then comes back on, it has...
Got it!
MCLR needed to be tied high via 100 ohm resistor... and I had to lower my delay - it was a little too quick.
Thanks for all the help guys! You have proved to be a valuable resource!
Sorry... Actually, yes I do have it grounded. I just neglected to put in the gnds on the schematic to speed things up for posting the picture. Yes, it was very weird, it worked for a while then stopped, I reprogrammed the PIC with some updated code and tried it again and it worked for about...
Hi,
I connected a PIC16F84 to a ULN2803 5volt driver to a 5volt 6-wire stepper motor. The motor was running for about 20 seconds, then stopped and it will not start again. Even if I turn off power and turn it back on.
Here is my code to control / pulse the stepper motor.
Attached is my...
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