Saturday, August 14, 2010
Xander Soldaat was lucky enough to receive the upcoming Renewable Energy Add-on Set from LEGO Education (still only available for pre-order) and shown at his blog a few days ago, some photos of the new LEGO Energy Meter (E-Meter), and its inside parts.
Read there to know a bit more about its internals, software interfaces and current expectations for support from the major NXT 3rd party programming software suites (NXC and ROBOTC). Meanwhile the respective NXT-G blocks can be downloaded from here.
LEGO E-Meter is an I2C controlled sensor that will allow you to measure the amount of voltage, current and powered feed in (it can be a solar panel, a windmill generator or any other power source) and can also do the same measures at is PF output connector, for any device there connected (lights, motor, etc...). Additionally can also measure the amount of energy stored in the included NiMH detachable battery.
The measures can be displayed in the LCD on-board or passed to an NXT.
Now the pictures...
"The green button switches the unit on. The orange switch has three positions, 0, left and right. It has a Technic axle hole in it, so you could connect something to it. The idea is that you input energy via the bottom input and once you have more than 1 Joule of energy stored in this unit, you can use the orange button to control the output connector on the top. You could run a little light on it, a motor, whatever you’d like."
I find it somehow similar to the "Power Meter for NXT" from mindesensors.com in terms of concept and functions, but of course offering some extra possibilities because of its additional features that measure In and Out ports, included battery, etc...
Lets wait and see also about specs, to better compare the limits where both can operate.
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