Has Anyone got experience of the new HL receiver board? They are now all plug connections and have a daughter board using mosfets for the power transistors.

Here's a picture:

Connections are for - Smoke, speaker (as the S&S boards); power in, left motor and right motor.


Mine didn't need the smoke generator to work because it did this....

Oh Yeah the connectors are replacements, the board comes with similar connectors to the smoke and speaker ones. As I'm upgrading I didn't have any wire end connectors so had to swap.

!!!!???? Is this what come with the PZ III's. I never knew they changed. Is this an improvement over the old boards?

Yes that does look different than the HL standard board? Looks like it may be the one for the 2 speed HL tanks and not the smoke and sound?

Didn't know they did this. Great! Hopefully will be more reliable, why else would they do it? Definitely not for non-smokers. Is that a Pershing in the background? If so when did you get it?

My Pz3 has the standard soldered boards in it [&:]

This board came with the smoke and sound upgrade set - so it is a smoke board.

After I'd changed the connectors I tried it on low load (motors only, no tracks) and it worked fine. Then I put the tracks on and I had smoke not only from the smoker but also from the board - note the blobby solder on the right hand chip in the second photo. A copybook case of early life failure! That left me with power to only one track.

The board is being replaced by Mato, who have been very understanding about it.

I wondered if anyone else had the same problem - the mosfets are only a couple of dollars (providing you are OK to resolder surface mount components) but I don't want to go there if it's taken anything else with it.

Yes it is a Pershing - the non S&S version bought last year - hence the upgrade. It already has metal tracks, I'm also fitting the VS airsoft gun and a brass barrel.

Jo

Can you post some more pic's of that board?It looks like a board from a Tokyo Mauri, which I believe has connectors. I just received my S&S upgrade from Mato and it was the same old version.

Do you get your boards from Canada? Mato post all my stuff to NZ direct from China. Maybe that's why it's different.

Here are some more pics

Jo

thats the same board it looks like they just used little fets for the speed control.

No heat sink. Those SM Fets probably have less capacity than the TO-220 type fets the regular style uses. Like the connectors though.

This must be the new board. It is numbered 14 all my boards are model 13. I am a little worried not seeing a heat sink, but do like the connections. Fan might be a must on this unit.

There are lots of ESCs that use SMT FETs without heatsink tabs. They use low resistance FETs and thick copper traces on the board to dissipate the heat.

Otherwise the board looks pretty similar to the other boards. Perhaps they redesigned the board to have the option of installing bigger FETs on the daughter board when needed, or to use connectors to make them easier to install in the tanks.
Pity, had been hoping that it might have signaled a redesign capable of a battle system.

D.

I think the low resistance FET's are quite expensive. last time I bought some they were 6 bucks each for 3 mOhm SMT's. I doubt HL decided to put in an extra $40 in hi performance FET's. They probably have about 50 cents to spend on power fets. Of course, they can order hundreds of thousands of them so they get good price breaks.
To get good heat transfer into the board you should have something with heavier copper than the 1/2 ounce stuff they are using. 2 ounce board would be nice but once again, you pay for it.
It's expensive to make a low cost tank ESC. HL has done a pretty good job.

Just curious as to when you got your tank, cause I'm waiting on an upgraded Bulldog from Mato and it'd be nice to know I can expect upgraded boards as well.
I've also ordered a spare S&S board set.
Love the connectors, but that solder job looks kind of scary - since you mentioned that you got smoke from other then the smoke unit, did you fry the board, or did you get to it in time?
I'd hate to think I'd have to open her up before I can start my "breakin" runs.
I'm already "chomping at the bit" for the latest addition to my slowly growing "fleet".
My Pershing is starting to look kind of "forlorn" and in need of the metal upgrades, but so far there hasn't been a tree root or foot it hasn't been able to climb.
The only heat I've gotten from it at the back I'm guessing is either the "non" smoking smoker, or motors, and from underneath (obviously) is from the battery.
I've read some folks complain about the speed of the Pershing, and Bulldog, as compared to the German tanks, since your showing a Pershing are you happy with the speed?
I've seen them advertised to go 12-15mph, I'm now convinced that they mean scale mph - which for me is not an issue, since the real tank wasn't all that fast to begin with.

Still new at all of this, so I'm hungry and would appreciate any and all info I can get my grubby hands on.
When I "grow up" I still want a Tamiya...

Good Luck with your "Baby"...

If in doubt, just shoot'em all, and let God sort'em out...

Now that I think about it, that solder job may not be all that bad. Remember, those are SMT (surface mount technology) components and are placed on the board by a pick and place machine and wave soldered. That's why they are mounted on daughter boards. The main board is hand soldered using 'through-hole' techniques. The big blob of solder you pictured might be purposely put there after the fact, in order to use the 4 channels of the FET in parallel. I have seen this done before. Be interesting to see if further boards have this.
Or it's just a crappy solder job and it blew your electronics

He already said he fried the board resulting in that solder blob:

First post:
and second post:
HL Rookie, hard to say based upon one experience, but it might be too soon to call these boards a useful upgrade.

D.

I misunderstood, He didn't create that solder blob, and there's no burn marks around it. I thought he said it came that way.

Jom, where did the smoke come from?

The smoke came from the board.
Look at the picture, the fet has drooped as the solder melted. As I said, this is a standard ELF. It would have passed production test, but as soon as it was under load it blew. I'd say it was a faulty fet. Just one of those things.....

Incidentally the tank was running chassis only, and had only just been switched on so no there couldn't have been any overheating. I will fit a fan, but I'm hoping that the fan conversion to the smoker will provide enough air movement.

Can't comment yet about the difference in speed. The Bulldog is S&S, and the Pershing is either non S&S or one tracked S&S....

Jo