Probs with robot

[swanaldo]

Probs with robot

how is thr servo powered trev?

[beast]

Probs with robot

off the spectum just plug it in on a channel

[geoff]

Probs with robot

Just a thought Shane, may be worth your while checking with Ian if the wottys on board BRC can be disabled and then fit one of these...
http://www.dimensionengineering.com/ParkBEC.htmhttp://www.dimensionengineering.com/ParkBEC.htm
I have found that most controllers with on-board BECs cant produce more than 100ma @ 5V, Your RX will pull around 70-80ma then your battle switches pull 30ma each (it dont take much to get to 100ma!)
I use them in all my machines and being rated at 1A+ it could quite happily run the RX plus any number of battle switches you may wish to add at once with no probs!!!
The one in P.I.T.A runs the TX, 2 battle switches, mixer board, logic side of 2 Victors giro, giro switch and it doesnt even get warm!
I swear by them.

[woody]

Probs with robot

http://www.fightingrobots.co.uk/discus/messages/15/13522.html#POST105100http://www.fightingrobots.co.uk/disc...tml#POST105100

The Spektrum RX may already be stressing the BEC beyond the 100mA limit.
BUT ..If Trev and others using a Wooty and running a servo off the RX via onboard BEC then it probably isnt a supply current draw prob....you could test that by replacing the battle switch with a servo ...NO need for the addition of a micro switch ...and see if its the extra load sods things up.


(Message edited by woody on December 07, 200

[grant_ploughbot]

Probs with robot

Theyre the ones we have been using recently, its small enough to mount inside the speed controller and solder the input connectors directly onto the main board for great reliability and its all hidden away.

[mightymouse]

Probs with robot

Swanny - when I contacted Ian about the wotty I asked if the BEC could handle the RX and a servo and was told no problem.

The servo is driven from the RX in the normal way, so might be worth doing Woodys test. If it is aok it might be worth copying my setup.

Trev

[swanaldo]

Probs with robot

trev i have spoken to mr watts and he can make me an interface to do the job. if there is any probs with it then i will copy your setup cos it works. thanks for the help anyway. will ring you soon.

[razerdave]

Probs with robot

Ive had issues with the BEC on my scorpion, I dont think its providing enough power for the RX. I will soon be switching from a 40MHz futaba to a Spektrum with an AR500. Should I keep the BEC or try another way ?

[woody]

Probs with robot

Dave,
Id suggest buying the BEC recommended by Geoff.

[razerdave]

Probs with robot

Hey

With that BEC, do the 2 free wires go to the robots power lines, or to something else ? Im not certian how it works.

My RC wiring is going to be a mess, with a gyro, gyro switch, BEC and Y lead (so I can turn off the gyro and invert the controls in one motion)

[geoff]

Probs with robot

Yep Dave, the red and brown wires are the supply for the BEC.

[ian_watts]

Probs with robot

Hi all,

Just thought I could add something to this discussion.

The Wotty has a 1 amp regulator powering the 5 Volt rail. The Wotty uses about 300 mA of this for itself which leaves about 700mA for extras. However, the heatsink on the 5 volt regulator is small so if you draw more than about 200ma it will overheat and shut down the Wotty and stay that way until it has cooled down.
If you are experiencing cut outs of less than 20 seconds then its not the internal BEC in the Wotty. The thermal time constant means itll shut down for at least this long.

So I guess Ill have to announce the new line of Wotty extras. The Wotty Interface Controller (WIC)
These are about £35 and are custom made to order, Just let me know what you require and Ill program the PIC to your needs.

All the very best,

Ian Watts

[swanaldo]

Probs with robot

well there you go ian i was going to do that for you but you beat me to it.

i will put up a report on the wic when its fitted and working. its looks very well made bout the size of an electronise and in a nice matching case to match the wotty. looks very easy to install and the bonus which i think is great is the remote kill for it too so arming up weapons will no longer be any danger at all for me. this will solve envys cutting out probs and will be back good and proper shortly........i hope

[swanaldo]

Probs with robot

just 1 other thing too which is nice..... both wires from my valve plug direct into the WIC so even easier wiring. 24v also plugs direct into the WIC too. mabee thats 2 things