Resolved by DJ Sures!
Hi Gang,
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:
- LM1084 IT 5.0 ( VR1 )
- 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
Thanks, Dave Schulpius
Your right that is what I saw too but I checked with Alan last week to buy a replacement board and use my existing chip and they were out as of then. Perhaps they may get more in the future at some point, that I don't know.
Some conflicting information going on here, DJ definitely said they had 500 spare chips for servicing of the V3s, I can't see all 500 being used in less than a couple of weeks! Having said that, @Josh you have said you asked if you could buy a replacement board and use your existing chip, isn't that the other way around to what is being asked here? Couldn't you and Dave combine what you have to make a working board (his board, your spare chip)? Just a thought.
@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!
@Rich and @Dave I too would be interested in the answer. It is hard to imagine 500 spare chips being used so quickly ...and if my I2C issue cant be resolved some way
I too may be looking for a spare board......though I know they can be purchased as well fairly inexpensively at about 20$ + or - .
@dave, I am truely sorry to hear that. What are the symptoms? Is your blue light flashing, is your main power light flashing? Is it completely dead (FUZE)? Hope it is well for you soon.
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!)
Mel
We do have 500 but they're in the warehouse of inventory while we were switching to a new manufacturer. Alan was saying we don't have then accessible at this time. It'll be a few weeks before we have access to them again - sorry for the confusion.
Dave, contact Alan or Jason and I'll see how we can help you out
DJ and staff busily and happily helping customers
Thanks for all of the support everyone! I will contact EZ Robot to get a nother chip or 2. I am in no really big hurry. I can wait a few weeks. I just want to be able to fix this 1. With the right parts I'm sure I can.
thanks again, Dave
Dave, we will get you operational right away