From 005e002fd8aa86b6c594aec354734447a309475e Mon Sep 17 00:00:00 2001 From: Michael Elliot Braun Date: Mon, 9 May 2016 16:07:11 -0700 Subject: [PATCH] update seis act --- docs/lessons/seismograph/activity.md | 28 +++++++++++++++------------- 1 file changed, 15 insertions(+), 13 deletions(-) diff --git a/docs/lessons/seismograph/activity.md b/docs/lessons/seismograph/activity.md index d2f6d0a3..ccb0a694 100644 --- a/docs/lessons/seismograph/activity.md +++ b/docs/lessons/seismograph/activity.md @@ -1,6 +1,8 @@ # Seismograph Activity +### ~avatar avatar + In this project, you will build your own seismograph. ### ~ @@ -15,12 +17,12 @@ In this project, you will build your own seismograph. Welcome! This activity will teach how to use the micro:bit to chart the strength of the acceleration. Let's get started! -1. Prepare Tape: Measure and cut approximately 10mm of tape. The tape will be fastened to a micro USB cable. +Step 1. Prepare Tape: Measure and cut approximately 10mm of tape. The tape will be fastened to a micro USB cable. ![](/static/mb/lessons/seismograph0.png) -2. Fasten Tape: Fasten tape to the micro USB cable and to the plate. Attach the micro:bit to the micro:bit USB. +Step 2. Fasten Tape: Fasten tape to the micro USB cable and to the plate. Attach the micro:bit to the micro:bit USB. ![](/static/mb/lessons/seismograph0.png) @@ -31,13 +33,13 @@ Seismograph built, let's code! ### ~ -1. Go to Codemicrobit.com +Step 1. Go to Codemicrobit.com Click or tap Create Code Click or tap Block Editor -2. +Step 2. We will measure `acceleration (mg)` in terms of strength. Get the acceleration value (milli g-force), as measured in strength. @@ -47,7 +49,7 @@ input.acceleration(Dimension.Strength); ### ~ -3. +Step 3. Use the plot bar chart to visualize the acceleration on the LED screen of the micro:bit in the specified range. You implement plot Bar Graph to display a vertical bar graph based on the "value" and "high" value. Then you must insert acceleration in based on strength. @@ -60,7 +62,7 @@ basic.forever(() => { ### ~ -4. +Step 4. Finally, we subtract the gravity from acceleration strength. @@ -73,7 +75,7 @@ basic.forever(() => { ### ~ -5. +Step 5. Notice that making vibrating the object below the micro:bit changes the values and the line appears as a wave to display the value of the strength as measured in milli-gravities. By making the object below the micro:bit vibrate, you will observe changing values of the micro:bit. Also, the LEDs shown on the Bar Graph fluctates based on the movement of the micro:bit strength. @@ -84,14 +86,14 @@ NOTE: The black color reflects the micro:bit device. ### ~ -6. +Step 6. Vigorously move the micro:bit in the micro:bit simulatator by moving the micro:bit image from side to side. Every time the micro:bit moves in the x direction in the simulator, you are generating data points that can be reviewed in Excel. The more attempts to move the micro:bit from side to side, the more data being saved in Excel. After you have vigarously moved the micro:bit simulator from side to side for a sufficient amount of time, you are ready to graph or chart the accceleration of the micro:bit. We want a printout of our acceleration on Excel that can be graphed in Excel. ### ~ -7. +Step 7. We want to chart the data collected by using a tool in Excel. @@ -100,7 +102,7 @@ The final part of this experiment is opening and reviewing the data in the Excel ### ~ -8. +Step 8. First, click or tap on the first two columns (A, B) to include the time of the data being collected; b) the results of acceleration data on the micro:bit @@ -115,7 +117,7 @@ Use the Recommended Charts command on the Insert tab to quickly create a chart t ### ~ -9. +Step 9. ![](/static/mb/chart1.png) @@ -130,7 +132,7 @@ Tip: If you don’t see a chart type that you want, click the All Charts tab to ### ~ -10. +Step 10. ![](/static/mb/chart_title.png) @@ -138,7 +140,7 @@ Tip: If you don’t see a chart type that you want, click the All Charts tab to ### ~ -11. +Step 11. ![](/static/mb/elements_styles_filters.png)