how many mA output?

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diggerdoo

Member - Posts: 14

Joined: June 13, 2002

Posted: April 19, 2003 at 11:53 PM / IP Logged

How many mA will a Clifford Cyber3 supply on its LED output wire? I want to add some LEDs to the outside of the car but I don't want to burn out the brain.

pblargecar

Member - Posts: 12

Joined: May 28, 2002

Location: United States

Posted: April 21, 2003 at 7:26 AM / IP Logged

i could not find the cyber 3 info but the cyber 4 is 300ma. when in doubt put meter on it if you run more than on led you might need a relay

diggerdoo

Member - Posts: 14

Joined: June 13, 2002

Posted: April 25, 2003 at 12:15 AM / IP Logged

Wouldn't a meter just tell me how many mA the brain is supplying, rather than how many mA it can safely supply? I haven't measured it yet, but I'm thinking that a Clifford LED will require a bit more than your average red LED (as it appears to be bigger than most). Am I correct?

jgold47

Copper - Posts: 69

Joined: April 21, 2003

Location: United States

Posted: April 25, 2003 at 5:38 AM / IP Logged

the physical size of an led is not necessarily related to the current draw....it could just have a larger cap on the top of it for fitament reasons....better off using a relay, and as a suggestion I would get a flashing relay like for a turn signal or something that is designed to cycle on and off many times....

diggerdoo

Member - Posts: 14

Joined: June 13, 2002

Posted: April 25, 2003 at 10:13 AM / IP Logged

How many times could a relay flash on and off, before it became a concern to my battery? I measured a normal SPST relay, 133mA. I'm not sure how many amps my battery is capable of putting out. There's probably an equation for this, heh?

MielGibson

Copper - Posts: 74

Joined: January 03, 2003

Location: United States

Posted: April 25, 2003 at 11:48 AM / IP Logged

12v

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. |----x---->|-| C

. |----x---->|-|

0 _/\/\/\/\/\_ B

E --Ground

MielGibson

Copper - Posts: 74

Joined: January 03, 2003

Location: United States

Posted: April 25, 2003 at 11:51 AM / IP Logged

MielGibson wrote:

12v

. |----x---->|-|

. |----x---->|-| C

. |----x---->|-|

0 _/\/\/\/\/\_ B

E --Ground

EDIT: Sorry, my ascii art sucks. I wanted to say that a transistor is better than a relay

MielGibson

Copper - Posts: 74

Joined: January 03, 2003

Location: United States

Posted: April 25, 2003 at 2:21 PM / IP Logged

OK. Try this:

If you get 12 volts Leds, the 1K resistors are not needed. The transistor should be at least 1 amp. You can add more leds depending on how much current they draw.

how many mA output? - Last Post -- posted image.

diggerdoo

Member - Posts: 14

Joined: June 13, 2002

Posted: April 28, 2003 at 2:14 PM / IP Logged

Thats what i needed. Thank you very much!

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how many mA output?

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