Some interesting DIY parts

Post by **ShowMaster** » Mon Oct 22, 2012 2:31 pm

http://www.flytron.com/openlrs/123-futa ... apter.html

ShowMaster
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Post by **Kilrah** » Mon Oct 22, 2012 2:44 pm

Yup, finally in stock again. I'm still waiting for a JR-shaped openLRS though. The adapter is OK but doesn't provide any mechanical support...

Post by **ShowMaster** » Sat Feb 16, 2013 7:45 am

More DIY parts.
Switching regulator board. I just bought 5 for various projects. 1 for $3.80 5 for around $13.50/$2.70 ea. good for 2 amps, needs 1.5v headroom, Adjustable output, switching type.

http://item.mobileweb.ebay.ca/viewitem? ... 1185800713

SM

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JustinTime · Post by **JustinTime** » Sun Feb 17, 2013 1:45 am

Funny you should mention these. I had bought something form china and looked at the store of the seller and saw something like this. It was less than $2 shipped so I just put it in with my order. I thought that the least I can do with it is use it as a UBEC.

http://www.ebay.com/itm/DC-DC-Buck-Conv ... 53efa758d5

Post by **ShowMaster** » Sun Feb 17, 2013 7:44 am

I saw those after I ordered the other ones. We'll have to compare how they work when we get them. I always order more than 1 in case I get a bad one or kill one off trying it out.
SM

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HC1969 · Post by **HC1969** » Sun Feb 17, 2013 9:21 am

More DIY parts:
FrSky RSSI-DAC converter for OSD (FPV):
http://www.ebay.com/itm/FrSky-RSSI-DAC- ... 1c1bba84d0

HC1969 · Post by **HC1969** » Sun Feb 17, 2013 9:23 am

More DIY parts:
MegaSound 9X for ER9X FW (Voice):
http://rc-miskolc.emiter.hu/rc-miskolc/ ... Itemid=150

HC1969 · Post by **HC1969** » Sun Feb 17, 2013 9:25 am

More DIY parts:
FrSky D8R-xx Dual Voltage Divider:
http://www.ebay.com/itm/FrSky-D8R-xx-Du ... 1c2c98c8f2

HC1969 · Post by **HC1969** » Sun Feb 17, 2013 9:28 am

More DIY part:
RCS-1 RC on-board Switch for Airplane, Car and other
http://www.ebay.com/itm/RCS-1-RC-on-boa ... 1c1b6ed3e9

Post by **ShowMaster** » Sun Feb 17, 2013 3:47 pm

Nice stuff!
SM

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JustinTime · Post by **JustinTime** » Sun Feb 17, 2013 9:11 pm

ShowMaster wrote:I saw those after I ordered the other ones. We'll have to compare how they work when we get them. I always order more than 1 in case I get a bad one or kill one off trying it out.

I hooked mine up to a 3s lipo and set the output voltage to 5.42v. Hooked up a 2s lipo and the reading was still 5.42v. I have no way to check anything else, as far as I know.

Post by **jhsa** » Sun Feb 17, 2013 9:16 pm

How much current could we pull out of them without damage?

João

Post by **ShowMaster** » Mon Feb 18, 2013 1:30 am

If you mean the switches
"per output max. 500mm load,"
I think it should read 500Ma load max.

Regulators, the one I posted says 2A and 3A with heat sink.
I'll never get to 2A with my applications I plan to use them for.
SM

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JustinTime · Post by **JustinTime** » Mon Feb 18, 2013 1:30 am

2A without a heatsink and 3A with.

EDIT: Looks like we posted at the same time!

You a few second first!

Post by **jhsa** » Mon Feb 18, 2013 7:15 am

thanks guys, ordered 2. They are really cheap.

gohsthb · Post by **gohsthb** » Mon Feb 18, 2013 1:38 pm

5V 1.5A switching regulator -> Switching reg
same one that is used with the Sky9x board. $4.34 at Mouser.
-Gohst

ReSt · Post by **ReSt** » Mon Feb 18, 2013 2:59 pm

5v 4A switching regulator on eBay AU$ 2.76

http://www.ebay.de/itm/360518934302?ssP ... 1436.l2649

Reinhard

sgofferj · Post by **sgofferj** » Mon Feb 18, 2013 5:15 pm

ReSt wrote:5v 4A switching regulator on eBay AU$ 2.76

http://www.ebay.de/itm/360518934302?ssP ... 1436.l2649

Reinhard

Just ordered on of those from seller demon99.Waiting for delivery...

sgofferj · Post by **sgofferj** » Tue Feb 19, 2013 6:05 pm

DS3231 RTC module for $5,95. Ordered one, received after 16 days, works perfectly.
http://www.ebay.de/itm/390521397685

qwerty009 · Post by **qwerty009** » Tue Feb 19, 2013 7:47 pm

sgofferj wrote:DS3231 RTC module for $5,95. Ordered one, received after 16 days, works perfectly.
http://www.ebay.de/itm/390521397685

Battery is used only for clock or does it measure temp also while no external power is applied?
And how does it work exactly (how to use it?). I'd like to use it for measuring temp over 24h/7 and later download graph (time/temp) to PC to analyze, what do i need for it?

JustinTime · Post by **JustinTime** » Tue Feb 19, 2013 7:50 pm

What do you do with this module?

sgofferj · Post by **sgofferj** » Tue Feb 19, 2013 8:14 pm

@qwerty009: No, it's no datalogger. You need additional circuitry for that.
@Justin: it's an ulrraprecise realtime clock module which communicates through I²C

HC1969 · Post by **HC1969** » Thu Feb 28, 2013 9:02 am

PB1 Ultra Light Power Board
(optimized for FrSky D8R, D8R V2, D8R-II receivers)

With telemetry:

More info:
http://www.rc-miskolc.emiter.hu/rc-misk ... Itemid=134
Fuse protected power distributor.

HC1969 · Post by **HC1969** » Thu Feb 28, 2013 9:38 am

Unfortunately, they not displayed in the images that are on my site links to you!

HC1969 · Post by **HC1969** » Mon Mar 04, 2013 2:38 pm

The processor is on the way! Soon will be available again in MegaSound 9x board!

Post by **rainer** » Wed Mar 06, 2013 8:04 pm

the Arduino Pro mini gets cheaper and cheaper on ebay. US$6.35 incl. shipping on ebay:
http://www.ebay.de/itm/230935770283?ssP ... 1439.l2649

MS5611 pressure sensor for US$ 17,79 US $15,99 on ebay
http://www.ebay.de/itm/140906354911?ssP ... 1439.l2649

Guess what you can build with these 2 parts

Flaps 30 · Post by **Flaps 30** » Wed Mar 06, 2013 9:06 pm

rainer wrote:Guess what you can build with these 2 parts

Let me think for a moment,....

You could build an altimeter with them or a air temperature sensor. At a push you just might be able to use them as a vertical airspeed indicator.

Post by **jhsa** » Wed Mar 06, 2013 9:09 pm

You could build a multirotor flight controller with those 2 and a couple others

EDIT: If I add to those 2 to the accelerometer I got fr4om China by mistake instead of the pressure sensor (gggrrrrr

),
I could build an stabilization board for my glider..

João

HC1969 · Post by **HC1969** » Fri Mar 08, 2013 7:27 am

The MegaSound 9X again available!

HC1969 · Post by **HC1969** » Mon May 20, 2013 12:45 pm

My new project: GCL-2 on-board Glow Control Logic.

Vide:
[BBvideo 425,350]http://www.youtube.com/watch?feature=pl ... MQXySykl90[/BBvideo]
The main technical parameters:

Glow: with 3s LiPo battery nutrition (9-14V).
Integrated switching power glowing BEC (max. 4A).
Lipo protection against deep discharge (disable on 9V).
Adjustable and stabilized glow voltage (0.7-1.8V).
Adjustable glow threshold (in total servo province).
Adjustable glow direction (can interaction).
Short-circuit protection.
Multi turn, vibration resistant regulatory trimmers.
LED status indication.
Servo-side control 4V – 14V.

http://rover.ebay.com/rover/0/e12000.m4 ... AUS%3A1123

More info:
http://rc-miskolc.emiter.hu/rc-miskolc/ ... Itemid=179

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Some interesting DIY parts

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