Well, I finally killed my EZB by not being careful and getting in a hurry. Ya think I'd know better by now. I was moving a wire in my robot that is supplied with 24vDC while it was energized and drug it across the Digital ports of EZB while it was energized. The Blue light locked on and I removed power right away. Next time I turned EZB board on I got no blue light, the red Bluetooth light does blink but the main large chip and the regulator next to the blue light gets very hot.
I know I burnt something up on the board that needs to be replaced. I've read that when EZB's supply power is reversed the Regulator needs to be replaces. That post says the two 5 volt regulators on the EZ-B V3 board that are mounted to the two heat sinks are:
1) LM1084 IT 5.0 ( VR1 )
2) MIC29300 5.0 WT ( VR2 )
Is there a schismatic posted somewhere of the circuitry of the EZB V3 so I can see what else I may have fried when blowing 24v backwards through the digital ports?
I'm very open to advice as what I may have burnt up or need to change out. Hope I didn't burn up the main chip. *tired*
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I'll contact EZ Robot and ask to buy a new chip and order a few regulators from Mouser. Your right, I hope to get my V4's in in a few weeks but I'd like to get this one back running again. I do have two other working boards but their in use in other parts of B9.
I do have four v4's on pre order already and hope they ship soon.
@Dave, use the Contact Us page to find out for sure. And then just do the whole diagnostics on the board as described above. Hope it all works out for you!
I am a clumbsy old man, so I know what that is like. I burned mine up and I had to replace a diode on the board as well as both regulators. D.j. offered to fix it for me if I could send it back. But, the shipping was real high. Good Luck Dave!
LOL(not laugh out loud, Lot's of Love!)
Dave, contact Alan or Jason and I'll see how we can help you out
thanks again, Dave