From 76a18fa61b0ed85d803a96a56e9c34156e354409 Mon Sep 17 00:00:00 2001
From: Michael Elliot Braun <mebrauns@hotmail.com>
Date: Mon, 25 Apr 2016 11:31:06 -0700
Subject: [PATCH] updated glowing pendulum

---
 docs/lessons/glowing-pendulum/activity.md   | 44 ++++++++++++++++++---
 docs/lessons/glowing-pendulum/challenges.md | 18 ++++++++-
 2 files changed, 55 insertions(+), 7 deletions(-)

diff --git a/docs/lessons/glowing-pendulum/activity.md b/docs/lessons/glowing-pendulum/activity.md
index 40a705fe..70845508 100644
--- a/docs/lessons/glowing-pendulum/activity.md
+++ b/docs/lessons/glowing-pendulum/activity.md
@@ -15,8 +15,6 @@ basic.forever(() => {
 
 Now let's measure the acceleration on the `y` axis and store that value in a variable. The `acceleration(y)` function will provide the value.
 
-![](/static/mb/blocks/lessons/glowing-pendulum-1.png)
-
 ```blocks
 basic.forever(() => {
     let acceleration = input.acceleration(Dimension.Y);
@@ -25,7 +23,6 @@ basic.forever(() => {
 
 Since the micro:bit will be swinging back and forth, the acceleration will only be positive half of the time. Thus, to always get a positive value, we want to take the absolute value of the acceleration.
 
-![](/static/mb/blocks/lessons/glowing-pendulum-2.png)
 
 ```blocks
 let acceleration = 0;
@@ -37,15 +34,50 @@ basic.forever(() => {
 
 The function `acceleration(y)` returns a number between 0 and 1024. We want to use this value for the brightness of the micro:bit, but the `set brightness()` only accepts a value between 0 and 256. Thus, we need to divide the acceleration by 4 to ensure we will be in the appropriate range.
 
-![](/static/mb/blocks/lessons/glowing-pendulum-3.png)
+```blocks
+basic.forever(() => {
+    let acceleration = input.acceleration(Dimension.Y);
+    acceleration = Math.abs(acceleration);
+    acceleration = acceleration / 4;
+});
+
+```
 
 Now let's use our acceleration value to set the brightness on the micro:bit.
 
-![](/static/mb/blocks/lessons/glowing-pendulum-4.png)
+```blocks
+basic.forever(() => {
+    let acceleration = input.acceleration(Dimension.Y);
+    acceleration = Math.abs(acceleration);
+    acceleration = acceleration / 4;
+    led.setBrightness(acceleration)
+});
+
+
+
+```
+
 
 Let's show what the brightness of the micro:bit is by turning all the LEDs on!
 
-![](/static/mb/blocks/lessons/glowing-pendulum-5.png)
+```blocks
+
+basic.forever(() => {
+    let acceleration = input.acceleration(Dimension.Y);
+    acceleration = Math.abs(acceleration);
+    acceleration = acceleration / 4;
+    led.setBrightness(acceleration)
+    basic.showLeds(`
+        # # # # #
+        # # # # #
+        # # # # #
+        # # # # #
+        # # # # #
+        `)
+});
+
+
+```
 
 ### ~avatar avatar
 
diff --git a/docs/lessons/glowing-pendulum/challenges.md b/docs/lessons/glowing-pendulum/challenges.md
index 8e2dba99..5784a661 100644
--- a/docs/lessons/glowing-pendulum/challenges.md
+++ b/docs/lessons/glowing-pendulum/challenges.md
@@ -6,7 +6,23 @@ Coding challenges for the glowing pendulum tutorial.
 
 Complete the following [glowing pendulum activity](/lessons/glowing-pendulum/activity) and your code should look like this:
 
-![](/static/mb/blocks/lessons/glowing-pendulum-5.png)
+```blocks
+basic.forever(() => {
+    let acceleration = input.acceleration(Dimension.Y);
+    acceleration = Math.abs(acceleration);
+    acceleration = acceleration / 4;
+    led.setBrightness(acceleration)
+    basic.showLeds(`
+        # # # # #
+        # # # # #
+        # # # # #
+        # # # # #
+        # # # # #
+        `)
+});
+
+
+```
 
 **Challenge 1**