Scx24 esc/receiver leds & other newbie questions.

[Mr_Wolf_Is_Innocent]

Long story short, I ordered several cheap led bits and pieces from eBay, voltage says 5-7.4v, so I assumed they would work, the first to arrive turns out to be ultra dim, checked out on a bench power supply and it works fine, tried all combinations of the pins.. so I am at a loss.. although at this point I confess to not fully understanding much about electronics (just in case the above didn’t give a clue.. lol).

Sadly my multimeter decided to break (clumsy me) so I am looking for help and advice.

Thank you in advance for any advice given.


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[BIGW0RM]

Originally Posted by Mr_Wolf_Is_Innocent

Long story short, I ordered several cheap led bits and pieces from eBay, voltage says 5-7.4v, so I assumed they would work, the first to arrive turns out to be ultra dim, checked out on a bench power supply and it works fine, tried all combinations of the pins.. so I am at a loss.. although at this point I confess to not fully understanding much about electronics (just in case the above didn’t give a clue.. lol).

Sadly my multimeter decided to break (clumsy me) so I am looking for help and advice.

Thank you in advance for any advice given.


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Are you sure you tried all the pins different ways? Flipped? Because I noticed pins would do lights on FULL. Or lights ONLY ON if you hit the gas. Or maybe it was reverse turned them on?

All I know is; install RED/Black wire one way and they are just on. And if I plugged them in a different way, I would only get lights if I hit the gas or reverse.

[Mr_Wolf_Is_Innocent]

Thank you for the reply, I will have another look, have to confess I didn’t touch the transmitter in my tinkering, will have more time tonight to give it a proper try.


Scx24 crc. Crawler 1/24
Wltoys a212. Shortcourse 1/24
Wltoys k969. Drifty 1/28

[BIGW0RM]

Originally Posted by Mr_Wolf_Is_Innocent

Thank you for the reply, I will have another look, have to confess I didn’t touch the transmitter in my tinkering, will have more time tonight to give it a proper try.


Scx24 crc. Crawler 1/24
Wltoys a212. Shortcourse 1/24
Wltoys k969. Drifty 1/28

Yea Im not sure how it works. I only found out by disconnecting my LED bumper lights so they wouldn't blind my wife who I was crawling over in our bed...

When I went to re attach them, I wasnt sure which side of the 3 pins was red. And I somehow plugged them in and noticed they only went on when I gave it gas or reverse. Something funky like that.

[Mr_Wolf_Is_Innocent]

Checked it out and it's just pulling too much power for the esc, but the rest of the info will be useful when the next batch of leds arrive. So if you buy this (image) 55mm light bar it needs a separate battery.

Now on that subject, you can get some pretty small lipo 2s batteries, so I was looking for advice on where best to add the weight? (under servo?) I know cog needs lowest, I have the brass wheel bits on route.

Lastly, last time I was into rc it was nicads or non rechargeable batteries, so having read up on the USB chargers failing I was hoping to get tips on good safe lipo chargers, the imax b6 seems to be a good choice, but wonder if anyone would recommend something else instead.

As always, thank you to any and everyone who can help.

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[Mr_Wolf_Is_Innocent]

Had a little play with the light bar white tacked to the front bumper running off 2 cr2016s I had laying around (6v) just to see how it looks, but it's definitely too big for it.

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