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SB · 11-18-2007, 05:41 PM

Spidious almost all Red LED's are 1.7 to 2.8 Volts you will need to put a 47ohm resistor inline on your positive lead. that way you won't burn out the LED. hope this helps

vetterick · 11-26-2007, 07:10 PM

I did this mod a little differently, since the two times I've left the DX7 on was with the simulator, I wanted the light to work when the sim was connected (the 3.7V supply shown only works when the switch is on), I used a 12V LED with the -lead on the charge socket and the +lead on the buddy socket, this makes the light work both ways.

I have an abundance of 12V bright blue LEDs with the stainless bezel and nut if anyone is interested I'll turn em loose for $2.25 each mailed in the US PM me if interested.

Rick

Gino CP · 11-27-2007, 05:20 AM

I can see the value of an led to let you know the tx is on. But I still wish for a warning system like a buzzer that goes off after 5-10 min of inactivity.

Jonecumlately · 12-05-2007, 04:08 AM

Hi there and thanks for that very detailed mod! I too added an LED indicator to my DX7, but did it different to yours, and wondered if you had any comments. I used a larger value resistor and connected to the 12V supply ( I use a LiPo pack ) on the switch terminals. All seeems to work fine, EXCEPT the LCD display now has a few vertical /horizontal lines showing for a few seconds after switching off. Any Ideas anyone ? TYIA

Maxists The Baddist · 01-27-2008, 09:38 AM

It would be so great if I could back lite the screen on the x9303. I have no idea what that would involve, but I would be willing to try it. Not during the summer though, I have a feeling it would take me a long time todo.

SB · 01-28-2008, 11:04 PM

Quote:

Originally Posted by Maxists The Baddist

It would be so great if I could back lite the screen on the x9303. I have no idea what that would involve, but I would be willing to try it. Not during the summer though, I have a feeling it would take me a long time todo.

https://www.helifreak.com/showthread.php?t=48947&page=5
i know its not of much help right now, but it should be shortly

widower · 01-30-2008, 09:44 AM

I recently read a diy on just this topic of adding a backlight to an lcd. I managed to dig up the thread at http://www.electronics-lab.com/blog/?p=904

LITHIUMSTATIC · 02-15-2008, 12:57 AM

That is really cool. I'm going to do mine soon. THANKS!

WizardKing · 04-18-2008, 05:39 PM

instead of ;

WizardKing · 04-18-2008, 05:40 PM

Backlit ;

WizardKing · 04-18-2008, 05:41 PM

Here's the switch ;

skyhunter357 · 07-16-2008, 04:54 PM

DX7 LCD Backlight (0 min 22 sec)

MiniBichus · 08-25-2008, 05:42 PM

The MB-Commander unit. (0 min 46 sec)

PTFlyer · 12-11-2008, 07:37 PM

Quote:

Originally Posted by MiniBichus

http://www.youtube.com/watch?v=krONshYigiU

ok......where's the link to how you did it......Please

ScottKidder · 01-07-2009, 12:04 AM

I would also like to know how you did this, out of all the backlights I see yours definitely looks the best.

J-S-Q · 02-10-2009, 05:52 AM

Yes I definitely agree... how did you do this?

jrlederer · 02-23-2009, 08:54 AM

is this (re: DX7 backlighting mod) just a pipe dream or isn't anyone going to finally explain HOW they were able to accomplish this feat? It seems nonsensical that people take the time to post that they have done it, but then remain silent whenever asked for details. What's the point of sharing then? Just to show off, I suppose...congratulations.

Thanks for listening.

--jonathan

ScottKidder · 02-23-2009, 09:58 AM

Quote:

Originally Posted by jrlederer

is this (re: DX7 backlighting mod) just a pipe dream or isn't anyone going to finally explain HOW they were able to accomplish this feat? It seems nonsensical that people take the time to post that they have done it, but then remain silent whenever asked for details. What's the point of sharing then? Just to show off, I suppose...congratulations.

Thanks for listening.

--jonathan

+1

kyalamikid · 03-01-2009, 04:52 PM

Thanks SB, just finished. Two hours and it was sorted. One thing that that is worth mentioning, it is a good idea to thread the wires from the LED though the hole in the power switch board to avoid the board from bending the LED legs. I didnt, but kinda wish I had. LED is working fine, I was worried that the bend may have caused a wire to come loose...

dennis22g · 06-17-2009, 06:30 AM

SB.. Thanks for that.
I just completed your tutorial. Fantastic. The step by step was a blitz, not unlike the vids from Finless. Really great.
The only mod I needed was to frost my led. Yours looks ok in the pics but mine was very directional and even in the daylight was blinding. So I frosted it with fine sandpaper and it rocks. GREAT WORK! ***

11-18-2007, 05:41 PM	#21 (permalink)
SB Registered Users Thread Starter My HF Map location Join Date: Apr 2007	Spidious almost all Red LED's are 1.7 to 2.8 Volts you will need to put a 47ohm resistor inline on your positive lead. that way you won't burn out the LED. hope this helps __________________ Night Flight - Fly Hard! Fly Fast! Fly Dark!

11-26-2007, 07:10 PM	#22 (permalink)
vetterick Registered Users My HF Map location Join Date: Nov 2006	I did this mod a little differently, since the two times I've left the DX7 on was with the simulator, I wanted the light to work when the sim was connected (the 3.7V supply shown only works when the switch is on), I used a 12V LED with the -lead on the charge socket and the +lead on the buddy socket, this makes the light work both ways. I have an abundance of 12V bright blue LEDs with the stainless bezel and nut if anyone is interested I'll turn em loose for $2.25 each mailed in the US PM me if interested. Rick __________________ That gouge on the head button? its from an inverted landing

01-30-2008, 09:44 AM	#27 (permalink)
widower Registered Users My HF Map location Join Date: Jan 2008	I recently read a diy on just this topic of adding a backlight to an lcd. I managed to dig up the thread at http://www.electronics-lab.com/blog/?p=904 __________________

02-15-2008, 12:57 AM	#28 (permalink)
LITHIUMSTATIC Registered Users My HF Map location Join Date: May 2006	That is really cool. I'm going to do mine soon. THANKS! __________________ Just a guy and his heli....

02-23-2009, 08:54 AM	#37 (permalink)
jrlederer Registered Users Join Date: Jul 2008	dx7 backlighting is this (re: DX7 backlighting mod) just a pipe dream or isn't anyone going to finally explain HOW they were able to accomplish this feat? It seems nonsensical that people take the time to post that they have done it, but then remain silent whenever asked for details. What's the point of sharing then? Just to show off, I suppose...congratulations. Thanks for listening. --jonathan Last edited by jrlederer; 02-23-2009 at 08:55 AM.. Reason: clarification

11-27-2007, 05:20 AM	#23 (permalink)
Gino CP Join Date: Apr 2007	I can see the value of an led to let you know the tx is on. But I still wish for a warning system like a buzzer that goes off after 5-10 min of inactivity.

12-05-2007, 04:08 AM	#24 (permalink)
Jonecumlately Join Date: Dec 2007	Hi there and thanks for that very detailed mod! I too added an LED indicator to my DX7, but did it different to yours, and wondered if you had any comments. I used a larger value resistor and connected to the 12V supply ( I use a LiPo pack ) on the switch terminals. All seeems to work fine, EXCEPT the LCD display now has a few vertical /horizontal lines showing for a few seconds after switching off. Any Ideas anyone ? TYIA

01-27-2008, 09:38 AM	#25 (permalink)
Maxists The Baddist Registered Users Join Date: Feb 2006	It would be so great if I could back lite the screen on the x9303. I have no idea what that would involve, but I would be willing to try it. Not during the summer though, I have a feeling it would take me a long time todo.

04-18-2008, 05:39 PM	#29 (permalink)
WizardKing Join Date: Feb 2008	instead of ;

04-18-2008, 05:40 PM	#30 (permalink)
WizardKing Join Date: Feb 2008	Backlit ;

04-18-2008, 05:41 PM	#31 (permalink)
WizardKing Join Date: Feb 2008	Here's the switch ;

01-07-2009, 12:04 AM	#35 (permalink)
ScottKidder Registered Users My HF Map location Join Date: Jun 2008	I would also like to know how you did this, out of all the backlights I see yours definitely looks the best.

02-10-2009, 05:52 AM	#36 (permalink)
J-S-Q Registered Users Join Date: Apr 2008	Yes I definitely agree... how did you do this?

03-01-2009, 04:52 PM	#39 (permalink)
kyalamikid Registered Users My HF Map location Join Date: Aug 2008	Thanks SB, just finished. Two hours and it was sorted. One thing that that is worth mentioning, it is a good idea to thread the wires from the LED though the hole in the power switch board to avoid the board from bending the LED legs. I didnt, but kinda wish I had. LED is working fine, I was worried that the bend may have caused a wire to come loose... Attached Thumbnails __________________ Logo 500SE, Gyrobot 900, Jive 80HV, BLS251, Scorpion 4025-1100 Trex 500, I2 FBL Head, JR3517's, Gyrobot 700, JR8900G, CC ICE75, Scorpion 3026-1400 Trex 250, Flybarless, Gyrobot 900, Innolab 201 Last edited by kyalamikid; 03-02-2009 at 11:09 AM..

06-17-2009, 06:30 AM	#40 (permalink)
dennis22g Registered Users Join Date: Aug 2007	SB.. Thanks for that. I just completed your tutorial. Fantastic. The step by step was a blitz, not unlike the vids from Finless. Really great. The only mod I needed was to frost my led. Yours looks ok in the pics but mine was very directional and even in the daylight was blinding. So I frosted it with fine sandpaper and it rocks. GREAT WORK! *** __________________ Addiction sticks!

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