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NXT Repository/Programming/NXT-G/

Special category for “native” new NXT-G blocks (written using LV & NXTToolkit) and contributed MyBlocks. See this page for a table of all available blocks.

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Power NXT-G Block

Last update: Wednesday, May 2nd, 2007

Michael Gasperi made this NXT-G block which calculates X to the power Y.

PSP-Nx PS2 Controller Block version 1.1

Last update: Sunday, December 24th, 2006

psp-nx-3.png

An updated version (v. 1.1) of my NXT-G block for mindsensors.com PSP-Nx PS2 controller interface for mindstorms NXT. The block allows reading 4 analog joystick values scaled between -100 and +100, as well as read the state of one of 16 buttons on the PS2 controller.

Installation:
1. Download the block here, extract the files on your local machine
2. Open NXT-G “Block Import and Export” wizard (you must have the Dynamic Block Update installed)
3. Select the directory you extracted the PSP-Nx Block files to. You should see “PSP-Nx PS2 Controller” block (version 1.1) available to install
4. Select “Sensor” to add the new block to the Sensor Palette, and press Import
5. Answer “Yes” to any “Replace ….” popup that might show up

Revision History:
v 1.0  - First release
v 1.1 - Fixes a bug in the Buttons control, changes button wire values
           to 0..15 instead of 1..16 as in v. 1.0.

As allways, I’ll be happy to get feedback on this new NXT-G block. There is a dedicated topic in our forums related to this release, or you can email me at guy@nxtasy.org.

RCX to NXT Communication Adapter NXT-G block

Last update: Sunday, April 15th, 2007

Mindstroms released this block to control the RCX to NXT communication adapter (NRLink-Nx). NRLink-Nx is a device designed to establish NXT-RCX data link. You can use this on your NXT robot to command and collect data from satellite RCX robot or RCX controlled part of robot.
This device now also communicates with LEGO trains!

Real-time clock Sensor NXT-G Block

Last update: Monday, July 9th, 2007

This block allow you to get/set the time in mindsensors.com real-time clock sensor.

Seed Random Generator NXT-G Block

Last update: Saturday, April 14th, 2007

Michael Gasperi created this NXT-G block, which creates random numbers using a defined ’seed’ (thus, if you use the same seed again you’ll get an identical series of numbers).  

 

Sharp IR sensor NXT-G block

Last update: Sunday, April 15th, 2007

Mindsensors.com released this block for use with the Sharp IR sensors series. The control panel allows setting the sensor type (nicely affecting the compare slider to give the right range for that device) and the I2C address. 

Another block (DIST-Update) on the same download page allows calibration of the DIST-Nx EEPROM parameters.

Simple Array NXT-G Block

Last update: Saturday, February 10th, 2007

The array block is a repackaged sub-block.  It will allow you to Clear the array, Add values, and Get values given the index.

Sine and cosine NXT-G Block

Last update: Sunday, February 11th, 2007

These block calculates the sine and cosine of an angle.

Square Root NXT-G Block

Last update: Sunday, February 11th, 2007

This blocks allows calculation of (integer) square root of its input

Techno-stuff Air Pressure Sensor NXT-G Block

Last update: Monday, July 9th, 2007

This block will let you read air-pressure values (either in kPa or PSI) from the air-pressure sensor of techno-stuff.

Techno-stuff Passive InfraRed Sensor NXT-G Block

Last update: Monday, July 9th, 2007

This block will let you use the Techno-stuff motion detector (i.e. Passive InfraRed sensor).

Template VI Library Block (v. 1.0)

Last update: Friday, January 5th, 2007

This “advanced” NXT-G block is released not for users, but for NXT-G block developers. I’ve created this block as a starting point for a “math library” block which I still didn’t manage to get to. Such “libraries” of blocks typically have similar number of input and output terminals, but different functionality in each function. If you use a “Switch” VI you waste a huge amount of memory since all functions are compiled and stored in the final .rbt file, even if you use only one function.

The Template VI Library Block answers this problem. Basically, it allows dynamical reprogramming of the “underlying” VI diagram behind the NXT-G diagram and replacing the “core” SubVI of the block every time the user selects a different function. Adding new functions is very easy - changing the control holding the list of functions and adding the SubVI file is all you have to do! More details on using this block are found in the README file, and inside each VI.

Download the Template VI Library Block here.

Comments/suggestions/bugs can be reported on this topic, or via email to guy@nxtasy.org.

Text Manipulation NXT-G Blocks

Last update: Wednesday, May 30th, 2007

Here are a few NXT-G blocks for manipulating strings. There are 5 blocks in this archive:

  1. Text Compare
  2. Text Length
  3. Text Subset
  4. Text Contains
  5. Text to Number

whose function is evident by the block name.

download archive here.

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Any additions/suggestions/comments? Send an email to repository@nxtasy.org.