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Custom RC System
z3_2drive posted a topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
First here are the links to all the parts in the system excluding battery and project box: *Motor controller: http://www.pololu.com/product/777 Receiver/Transmitter: http://www.rcplanet...._p/futk3100.htm *The motor controller I linked is the heavy-duty model that I used in my models, but there is a smaller, less powerful and cheaper version too* Ah I guess I'll link it too... Motor Controller(smaller option): http://www.pololu.com/product/767 Now, Here is the fully explained system: First: the jumble of lego wires on the left are the four wires that connect to the RC Buggy motors. the lego wire coming from the left is an extension to the servo. the red/white wires connect the controller and receiver the black and red wires connect to the port on the right, which you then plug a battery into. Second: the four lego motor wires are put together into one pair, which connects to the first two ports of the controller- Third:The red/black wires, which supply the power from the battery, connect into the 3rd and 4th port. *(There are six ports in total, where you see the screw-heads)* Fourth: Here is the tricky part The servo wire is made up of four small wires. Two of these supply power, and two control the movements of the servo. The two that supply the power are connected to port 3 and 4, with the battery wires. The two that control movement are connected to port 5 and 6, all by themselves. ^^^ so the way it is seen here is: SERVOCONTROL1--SERVOCONTROL2--SERVO/BATTERYPOWER1--SERVO/BATTERYPOWER2--MOTORCONTROL1--MOTORCONTROL2 Ok, so port 1/2 control buggy motors, port 3/4 give power to the system, port 5/6 control servo Here it shows how 1/2 and 5/6 correspond to two channels on the receiver: The red/white wires connect to channel 1 & 2 on the receiver: And finally here it is all together again: Sorry for the baby steps but I wanted to be clear. To know which wires from the servo control and give power, simply test with a multimeter and have this at your disposal:
