2/29/2024 0 Comments Lego wedo 1.0 2.0 compatibility![]() Two speculations here, as four wires would be fine for thoese applicatiosn as we see it in Mindstorms.Ī) either they split the input and output. This leads indirectly to a guess on the 6 wires that we see. > My guess: If there will be a new PF V2 it will still be 9V for Technic applications. Just listen to the compressors of the AROCS and the Unimog. Having less voltage would require more current and thus draining the batteries really quickly. Here power is needed and power is P = U x I. I cannot imagine that we will see 3V gear coming to Technic, may be as a new Micro-Motor but not for M, L and XL. Time will tell.Īs written above the three systems, WeDo V1, WeDo V2 and PF(exist) use different voltages, 5V (off USB), 3V - 3,7V and 9V The new plugs shall come as well for PF V2 and on the other hand they write "Education only". In their FAQ Lego is not exactly straight forward and somehow contradicting. Having individual physical ports keeps cost down and makes it more intuitive to match the port to a control. Which means lego would have to have multiple versions of each motor to reduce the chances of a set have 3 motors with the same ID. And you would want it simple so you would use a 1-2 digit identifier. The problem with this type of system is that you would have to have some way of assigning the motor to a specific control on the actual controller. ![]() The PF cables should be able to transmit those signals, they've got 4 wires. This would allow to reduce the controller size. The power cable could be stacked on top of each other. The motors always have full power, only the chips tells them run at speed x. Why? The motors should be able to receive a unique address from the controller, stored on a small chip within the motor. But in order to controls he motors independently each motor has to be physically assigned to a specific port. The motors are connected to the controllers by cable ports. If I compare it to the development of digital controls for model railroads, I must say LEGO Power Functions and Mindstorms are still kind of analogue. I thought about this and the state of power function during last couple hours. Good grief, this new system seems like a step backwards in almost every way. Also, they had no problems with the last iteration, so why is it a consideration now? Why even have new sensors with new plugs, why not just use the EV3 hardware? Also, why make it 3 volt? Why not make it run of a 9 volt battery, or, I dunno, the standard PF battery boxes? Why not make it so that you have the option of using either the standard PF batteries, or a small battery pack? Well, in that case, the sensors have a different connector, maybe like the EV3 plug, or maybe like the standard PF connector, but with the top port blanked off. The only reason I can think of for them to have these connectors is that they are worried about kids stacking sensors and confusing the control modules. Why even use this connector? Why couldn't they just make an adapted version of the current PF connector with two extra wires? That way, you could have both encoders and backwards compatibility, and stackable connectors. If they indeed use this connector, you can say goodbye to running more than one motor off a port without an adapter cable. If this is the future of the Power Functions system, I am extremely worried. When I first heard about this, I was hoping, praying that this was just a prototype, but no, its the final system, available for sale. ![]() Because of the above, I think several people are going to balk at the new system. Also, you are still limited to 1 motor and 1 sensor per hub. We've also lowered the voltage, so now models will have even worse performance than before. Oh, you already have WeDo 1.0 kits? Too bad, they are not compatible with this new system, at least not without an adapter cable. Everything about this system is baffling, and it seems more like a gimmick than anything. I'm talking about educators, which is what WeDo is aimed at. This is going to piss off a lot of people. I can't believe that Lego is going with this new, incompatible with anything else connector.
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