Red LED "leg lights" it's a mod for the CH3-R

I would like some of them there LEDs. Are they saying it’s 5000mcd for red only? They can’t have 5000mcd for green and blue too all in the same package, right? Are they 4 pin, common anode, common cathode? We need details. :smiley:

Actually yes they can Jim, I had some r/b/g flashers in last year that were an honest to goodness 5000mcd on all three colors. They should be common anode as I have had red/blue before from the same company, and thats what they were. I won’t know alot more till I get another Email from them, then Hai, my neighbor has to interperet it…lol but hey, it works.

Any idea when this leg mod might be a available? :laughing:

Honestly it slipped off my radar, but I will take another stab at creating the kit.

Yes, please! :stuck_out_tongue:

As long as it doesn’t get in the way of progress on the ABBPro, aluminum chassis parts, PowerPod Pro, etc … :wink: Priorities, man! :smiley:

The Bot Board II is in the can, just waiting for the production to be completed. The aluminum chassis parts are in transit. I’m not doing the PowerPod Pro, that’s Laurent’s gig. It’s going to be a while on that one.

The leg light kits are going to be available today. The price will be $0.00 for 3DOF-C leg owners if they are requested when an order is being placed. This means they are free, but I’m not shipping them for free. :wink:

Here is the assembly guide. lynxmotion.com/images/html/build119.htm

We will add it to the website later today. 8)

Really, must you be so gosh darn nice??? :stuck_out_tongue:

Um, well, ok for you it’s $5.00. lol

Just kidding. :smiley:

Arrrgh!!! :frowning:

I just bought a 3DOF-C leg kit last week!

I do need to buy two more of thos leg kits but I’m doing it on a my new monthly robot budget. (yes, my wife found out what I was spending on robots)
:blush:

Is it okay to power the lights through the SSC-32? I’m using a 7.2 volt battery for servos and a 9 volt for logic. I bought the recommended diodes from superbrights and am using 230 resistors as I planned on using the servo power supply. I have it so that each light has its’ own resistor and servo power connector.

Sure no problem with doing that.

Grievousfish, are you planning on being able to control the LED, on/off, through the various ports on the SSC-32? Was thinking of doing that too, would be a great way to output messages, like say for debugging.

Tom - no, actually I hadn’t even thought of that. Hmm (tilts head up and to left and gazes reflectively)

I did that. I have my round hexapod (named Ikariya) set to have the lights on for the legs on the ground. I’ll see if I can post video and coding tonight (time and battery power permitting.)

Edit - Never mind, I got it done now.
Video: youtube.com/watch?v=1ax7CLozt04
The LEDs are connected to the ground and control pin for the servo port on the SSC-32. I’m using the Super-Bright LEDs that Jim linked to on the first post, and they don’t need a resistor in this setup (the SSC-32 power is perfect.)
Coding is simple. For example, if the LED is connected to pin 13, then #13l turns it off (low) and #13h turns it on (high). Follow with a carriage return or more commands as necessary. I have it set right now so that I can control if the lights will blink as shown, or compeletely turned off from the PS2 controlller, but with the right coding, just about any combination is possible. In the future, I plan to have lights off for direct control, and lights on for autonomous (or on if I want to under remote control, just because it looks great in the dark).

Excellent build! I like the lights. Nice touch! 8)

Sequence the lights to “hypnotize” your target!!! I don’t have the spec sheet of the Atmega8 (v1 ssc-32), how much current can each of the pins sink? My preference for hooking up LEDs have always been using the ports on the MCU to sink the current, and using a current limiting resistor from the power supply to the LED and stay slightly below the sinking capabilities. I suppose “sourcing” the current from the pins are just as valid. I always felt more comfortable with sticking a current limiting resistor in series on a diode when forward biasing…

The red LED is an awesome and menacing color, have anyone else out there implemented the leg lighting with different colors? Perhaps multi-color ones?

Cool mod of the mod. I didn’t think of using the control pin. I’m tempted to redo my lights now without the resistors. I’d have to redo the wiring though so that I am consistent with the color code system (yellow = signal).

The outputs of the SSC-32 are actually from this part.
74HC595MTC

you’ll have to google the specs.

Thanks Jim. I forgot that the servo out ports were driven by these shift registers and the Atmega interfaces to it through serial…

Here is the link to the datasheet for anyone that is interested:

fairchildsemi.com/ds/MM/MM74HC595.pdf

Looking at the datasheet, the absolute max for sourcing and sinking seems to be +/- 35mA per pin. Plenty enough to drive an LED…