# \#csd-unit-6-lesson-12

**URL:** https://forum.code.org/tag/csd-unit-6-lesson-12/352.md

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## [Unit 6, Lesson 12 - Random Forecast help](https://forum.code.org/t/unit-6-lesson-12-random-forecast-help/40218)

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**Author:** [@klett](https://forum.code.org/u/klett)\
**Replies:** 2\
**Last updated:** [December 12, 2024, 2:52pm UTC](https://forum.code.org/t/unit-6-lesson-12-random-forecast-help/40218 "2024-12-12T14:52:04Z")

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I’ve been teaching this for a few years, but traversals still cause me problems. I’m trying to build the random forecaster before students get here, and I thought I was on the right path, but I cannot get my filtered lis…

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## [Pulse LED returns error "send queue is full."](https://forum.code.org/t/pulse-led-returns-error-send-queue-is-full/34512)

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**Author:** [@koreen.corbett](https://forum.code.org/u/koreen.corbett)\
**Replies:** 2\
**Last updated:** [April 19, 2021, 5:47pm UTC](https://forum.code.org/t/pulse-led-returns-error-send-queue-is-full/34512 "2021-04-19T17:47:22Z")

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Link to the project or level: Code.org - App Lab What I expect to happen: the LEDs on the circuit board to pulse What actually happens: The LEDs all turn on in a quick sequence and then clicking any other button return…

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## [Help! Need code to display color](https://forum.code.org/t/help-need-code-to-display-color/22201)

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**Author:** [@patti.griffin](https://forum.code.org/u/patti.griffin)\
**Replies:** 6\
**Last updated:** [April 27, 2019, 3:02pm UTC](https://forum.code.org/t/help-need-code-to-display-color/22201 "2019-04-27T15:02:31Z")

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What is the code for color? The example does not show where to actually type in the color. I am so confused with this and am trying to teach myself. I wish there was a video to help with coding the Circuit Playground …

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## [Unit 6 Lesson 12 additional challenge](https://forum.code.org/t/unit-6-lesson-12-additional-challenge/25985)

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**Author:** [@mmathews](https://forum.code.org/u/mmathews)\
**Replies:** 1\
**Last updated:** [March 30, 2019, 5:13pm UTC](https://forum.code.org/t/unit-6-lesson-12-additional-challenge/25985 "2019-03-30T17:13:27Z")

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My students didn’t quite grasp how the index is used in a for loop or how to manipulate it to get different output from their arrays. I used Lesson 12 as the start for this challenge and had them rewrite a changeColor() …