JJRC H31 Waterproof Quadcopter Review - Page 13 - RC Groups
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Apr 20, 2017, 05:43 PM
Registered User
Mark 42's Avatar
Quote:
Originally Posted by Ckorpion 61
It is better to put this buzzer.Link :https://ru.aliexpress.com/item/Activ...608.0.0.rJM1Bp .It's louder
Every time I use the link, it's in Russian & I can't get it to switch to English & US Dollars.

Is this the same buzzer?
http://www.ebay.com/itm/10pcs-3V-3-3...QAAOSwWxNYwTrv
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Apr 21, 2017, 07:48 AM
Registered User
Quote:
Originally Posted by Mark 42
Every time I use the link, it's in Russian & I can't get it to switch to English & US Dollars.

Is this the same buzzer?
http://www.ebay.com/itm/10pcs-3V-3-3...QAAOSwWxNYwTrv
Yes. Today I received. I'll try
Apr 21, 2017, 05:50 PM
Registered User
Mark 42's Avatar
Quote:
Originally Posted by Ckorpion 61
It is better to put this buzzer.Link :https://ru.aliexpress.com/item/Activ...608.0.0.rJM1Bp .It's louder
Quote:
Originally Posted by Mark 42
Quote:
Originally Posted by Ckorpion 61
Yes. Today I received. I'll try
Why do you think it will be louder?
I already ordered the first one - it wasn't expensive, so if you report back that the newest one you suggest
is better, I'll order it from eBay.
Apr 22, 2017, 03:40 AM
Registered User
Quote:
Originally Posted by Mark 42
Why do you think it will be louder?
I already ordered the first one - it wasn't expensive, so if you report back that the newest one you suggest
is better, I'll order it from eBay.
Yes it's louder!!!!Buzzer 3c is better
Apr 23, 2017, 09:33 AM
Registered User
Mark 42's Avatar
Quote:
Originally Posted by Ckorpion 61
Yes it's louder!!!!Buzzer 3c is better
What does "3c" mean?
I'm not sure what is different about the Buzzer.
Do any capacitors or resistors need to be changed for the new buzzer?
Apr 23, 2017, 09:54 AM
Registered User
Quote:
Originally Posted by Mark 42
What does "3c" mean?
I'm not sure what is different about the Buzzer.
Do any capacitors or resistors need to be changed for the new buzzer?
{Do any capacitors or resistors need to be changed for the new buzzer?}No need to change
May 10, 2017, 01:41 AM
Registered User
like to know which charger is good for this jjr h31 , for charging ,

i got USB with this quad , is this ok , or have to buy other charger , ???

any information about other charger ?

does any one , work on this quad to extend range ??

for both quad and radio ??

thanks
May 10, 2017, 08:16 AM
Registered User
TechTronic9000's Avatar
@TARIQ40

I recommend these charger and camera for the H31:

Camera: https://goo.gl/nvsCdq
Charger: https://goo.gl/t69i7V

They are the ones in this video:
JJRC H31 Camera and Multiple Battery Charger Review (9 min 57 sec)
May 10, 2017, 04:37 PM
Registered User
Mark 42's Avatar
I bought a Syma X5 camera cheap. 2.0 MP. still waiting for it, but it is supposed to be plug & play
May 10, 2017, 07:25 PM
Registered User
Blindman54's Avatar

Parts


Received my H31 about a week ago w/5 batteries and right away I can tell this is something I'm going to be flying often. That being the case I might as well start ordering replacement parts now.

Any recommendations on a seller?
May 12, 2017, 02:58 PM
Registered User
Mark 42's Avatar
Quote:
Originally Posted by Mark 42
What does "3c" buzzer mean?
Do you have a sketch of the PC board? I will probably use a generic one for DIP chips, but it
may be useful to see the PCB to visualize how.

I got the transistor, buzzer & resistors (I had resistors - small ones... 1/4 Watt, I think).
Still waiting for the capacitors to arrive.

I'll have to post pictures when I get done.
I bought a camera for a Syma X5 for when I want digital pictures or video,
and I bought an Eachine TX03 camera and Eachine VR D2 Pro goggles for FPV.
$100 for FPV (with a built in DVR & Diversity Receiver) is pretty good.
Here are the ones I got - you might find a faster or cheaper source - the links are just so you can see the items.

https://www.banggood.com/Eachine-TX0...p-1104884.html

https://www.banggood.com/Eachine-VR-...p-1137808.html
Last edited by Mark 42; May 12, 2017 at 03:03 PM.
May 14, 2017, 12:55 PM
Registered User
Blindman54's Avatar

Goggle and glasses


Quote:
Originally Posted by Mark 42
Do you have a sketch of the PC board? I will probably use a generic one for DIP chips, but it
may be useful to see the PCB to visualize how.

I got the transistor, buzzer & resistors (I had resistors - small ones... 1/4 Watt, I think).
Still waiting for the capacitors to arrive.

I'll have to post pictures when I get done.
I bought a camera for a Syma X5 for when I want digital pictures or video,
and I bought an Eachine TX03 camera and Eachine VR D2 Pro goggles for FPV.
$100 for FPV (with a built in DVR & Diversity Receiver) is pretty good.
Here are the ones I got - you might find a faster or cheaper source - the links are just so you can see the items.

https://www.banggood.com/Eachine-TX0...p-1104884.html

https://www.banggood.com/Eachine-VR-...p-1137808.html

Looks like a pretty good deal. Are those goggles wide enough to where I could wear my glasses?
May 14, 2017, 02:02 PM
Registered User
Quote:
Originally Posted by Mark 42
Do you have a sketch of the PC board? I will probably use a generic one for DIP chips, but it
may be useful to see the PCB to visualize how.

I got the transistor, buzzer & resistors (I had resistors - small ones... 1/4 Watt, I think).
Still waiting for the capacitors to arrive.

I'll have to post pictures when I get done.
I bought a camera for a Syma X5 for when I want digital pictures or video,
and I bought an Eachine TX03 camera and Eachine VR D2 Pro goggles for FPV.
$100 for FPV (with a built in DVR & Diversity Receiver) is pretty good.
Here are the ones I got - you might find a faster or cheaper source - the links are just so you can see the items.

https://www.banggood.com/Eachine-TX0...p-1104884.html

https://www.banggood.com/Eachine-VR-...p-1137808.html
Sketch of the PC board no.Made from some rubbish .Here is a photo
May 14, 2017, 05:52 PM
Registered User
Mark 42's Avatar
Quote:
Originally Posted by Blindman54
Looks like a pretty good deal. Are those goggles wide enough to where I could wear my glasses?
It has diopter adjustment, so you may not need glasses on.

I don't think you can use them with glasses.

https://www.rcgroups.com/forums/show...0#post37521077
May 15, 2017, 12:56 AM
Registered User
Blindman54's Avatar
Quote:
Originally Posted by Mark 42
It has diopter adjustment, so you may not need glasses on.

I don't think you can use them with glasses.

https://www.rcgroups.com/forums/show...0#post37521077

Going to gamble one of these days because I just tried FPV on a 4 inch screen today and didn't really like it for sport flying. Glad I used the H31, last time I tried it was another quad and I wreck it:>


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