Answers.Body: <p>With the introduction of the <a href="https://www.bricklink.com/v2/catalog/catalogitem.page?S=45345-1#T=S&amp;O=%7B%22iconly%22:0%7D" rel="nofollow noreferrer">SPIKE Essential set</a>, this element was introduced:
  <a href="https://i.sstatic.net/ZP0vm.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/ZP0vm.png" alt="light matrix" /></a></p>
  <p>It's a matrix of 3x3 colored LEDs.
  It has similar functionality as the 5x5 light matrix on the SPIKE hub, so the same blocks to control it are used. The word blocks are not modified that heavily, the only thing that is changed is that you need to specify an additional parameter to indicate which light matrix you want to use. M1 is the matrix on the hub itself, A to F are the ports you can select where you have the external 3x3 matrix attached.
  You'll also notice that if you change the parameter from M1 to a port, you'll be able to select more colorful options for the image to display, as the 3x3 external matrix supports a range of colors, while the 5x5 on the hub is monochrome.</p>
  
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2022-02-09T08:23:50.183Z
Answers.Text: thanks for your explanation, I don't have 2 sets to show you.
Answers.UserDisplayName: LKBricks
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2022-02-09T08:05:19.477Z
Answers.LastActivityDate: 2022-02-28T08:51:38.493Z
Answers.LastEditDate: 2022-02-28T08:51:38.493Z
Answers.UserDisplayName: Michael Verschaeve
Body: <p>I found <a href="https://primelessons.org/en/ProgrammingLessons/SPBlockGuide.pdf" rel="nofollow noreferrer">Unofficial SPIKE Prime Block Guide</a>, which has following details:</p>
  <p><a href="https://i.sstatic.net/80K7Y.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/80K7Y.png" alt="spike light block" /></a></p>
  <p>And if you open the SPIKE app (2.0.0 or newer), the light blocks were completely changed:</p>
  <p><a href="https://i.sstatic.net/CSZtP.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/CSZtP.png" alt="spike light block" /></a></p>
  <p>Is anyone able to explain why?</p>
  
Tags: <programming><spike-prime>
Title: Why did the light block change in SPIKE v2.0.0+?
UserDisplayName: LKBricks
ThreadText: # Why did the light block change in SPIKE v2.0.0+?
  
  (Asked by: username_0 on 2022-02-09)
  
  I found [Unofficial SPIKE Prime Block Guide](https://primelessons.org/en/ProgrammingLessons/SPBlockGuide.pdf), which has following details:
  
  [![spike light block](https://i.sstatic.net/80K7Y.png)](https://i.sstatic.net/80K7Y.png)
  
  And if you open the SPIKE app (2.0.0 or newer), the light blocks were completely changed:
  
  [![spike light block](https://i.sstatic.net/CSZtP.png)](https://i.sstatic.net/CSZtP.png)
  
  Is anyone able to explain why?
  
  **Tags:** programming, spike-prime
  
  ---
  
  ## 1 answers
  
  ### Answer by username_1 on 2022-02-09. Score: 10 | Accepted answer
  
  With the introduction of the [SPIKE Essential set](https://www.bricklink.com/v2/catalog/catalogitem.page?S=45345-1#T=S&O=%7B%22iconly%22:0%7D), this element was introduced:
  [![light matrix](https://i.sstatic.net/ZP0vm.png)](https://i.sstatic.net/ZP0vm.png)
  
  It's a matrix of 3x3 colored LEDs.
  It has similar functionality as the 5x5 light matrix on the SPIKE hub, so the same blocks to control it are used. The word blocks are not modified that heavily, the only thing that is changed is that you need to specify an additional parameter to indicate which light matrix you want to use. M1 is the matrix on the hub itself, A to F are the ports you can select where you have the external 3x3 matrix attached.
  You'll also notice that if you change the parameter from M1 to a port, you'll be able to select more colorful options for the image to display, as the 3x3 external matrix supports a range of colors, while the 5x5 on the hub is monochrome.
  
  > **Comments:**
  > **username_0**: thanks for your explanation, I don't have 2 sets to show you.  
  
  ---
  
  