Gibraltar
Asked — Edited

Need V8.5 ARC

i think i need an earlyer version of ez build coz i can't connect to v15 plus keep gettingerr msg on ez update Attempting connection to COM3 EZ-B reports EZ-B Firmware V8.5 Connected Usending ping Usending ping Usending bootloader Failed to load bootloader! any advise thanks


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United Kingdom
#17  

Check the solder joints in the circle aren't touching

User-inserted image

Gibraltar
#18  

lucky i got magnifying glass yes all three are touching but not bottom half of ringed solder joint

User-inserted image

United Kingdom
#19  

If it was me I would use a soldering iron and suck off all the excess solder with a solder sucker then it would be easy to see what should be connected together and what shouldn't. These are the pins to the Bluetooth module and it definately looks like this is the area where the problem is.

Perhaps someone else can jump in here if they have the same connections on their board mine is different looks like yours is a 3.1?

I like Gibraltar btw been a few times

Gibraltar
#20  

thanks @winstn60

has anyone got a picture of what it should look like i don't want to just jump in with my soldering iron and where i live its hard to find a good electronics shop i have to go to spain for stuff

Gibraltar
#21  

still having trouble can anybody help stress

United Kingdom
#22  

Anyone?

Just need a close up pic of the underside of the EZ-B board where the Bluetooth module is plugged in

Looking at your pic again the +5v should be bridged with a spot of solder but it looks like they used too big a blob of solder and it is touching the solder land next to it. Just heat it up with your soldering iron and drag it clear but leave the +5v lands bridged you cant really damage it

United Kingdom
#24  

What I said above. Your pic (circled) shows the +3.3v bridging lands they look ok its the one below the +5v thats touching the land next to it and shouldn't be.

It should still be bridged though