Link Checker: Fix BLE links (#155)

* Link Checker: Fix BLE links

* Link Checker: Fix BLE Links

* http > https

Author: microbit-mark

bluetooth/apps-and-examples.md

@@ -23,8 +23,6 @@ about and try for yourself with your micro:bit
 
 [bitty software apps](https://bittysoftware.blogspot.com/p/applications.html)
 
-[Martins App](http://bluetooth-mdw.blogspot.co.uk/p/bbc-microbit.html)
-
 [Android App on Google Play](https://play.google.com/store/apps/details?id=com.samsung.microbit&hl=en_GB)
 
 <a href="http://www.samsung.com/uk/microbit/" data-proofer-ignore>Samsung and micro:bit</a>

bluetooth/profile.md

@@ -26,7 +26,7 @@ The BBC micro:bit [Bluetooth profile is defined in the DAL](https://lancaster-un
 There are [pre-compiled Hex files available](https://lancaster-university.github.io/microbit-docs/ble/profile/#all-services-enabled-hex-file) that enable bluetooth services available on the micro:bit and some [example programs in the microbit-samples repository](https://github.com/lancaster-university/microbit-samples)
 
 The micro:bit has a Bluetooth 4.1 stack with Bluetooth Low Energy (BLE) and supports
-the [GAP Perhipheral Role](http://bluetooth-mdw.blogspot.co.uk/2016/07/microbit-and-bluetooth-roles.html).
+the [GAP Perhipheral Role](https://bluetooth-developer.blogspot.com/2016/07/microbit-and-bluetooth-roles.html).
 
 As per all Bluetooth, it operates in the ISM (Industrial Scientific Medical) band
 and this starts at **2.4GHz and ends at 2.41GHz**. BLE divides the frequency
@@ -55,7 +55,7 @@ to do this.
 
 # Further information
 
-[Martin Woolley's Bluetooth Blog](http://bluetooth-mdw.blogspot.co.uk/p/bbc-microbit.html) has a range of information on using Bluetooth with micro:bit
+[Martin Woolley's Bluetooth Blog](https://bluetooth-developer.blogspot.com/) has a range of information on using Bluetooth with micro:bit
 
 [BittySoftware](https://bittysoftware.blogspot.com) has a range of Bluetooth enabled software for the micro:bit
 

hardware/1-3-revision.md

@@ -75,7 +75,7 @@ including smartphones and tablets.
 | Channels      | 50 2MHz channels, only 40 used (0 to 39), 3 advertising channels (37,38,39)
 | Sensitivity   | -93dBm in Bluetooth low energy mode
 | Tx Power      | -20dBM to 4dBm in 4 dB steps
-| Role          | [GAP Peripheral](http://bluetooth-mdw.blogspot.co.uk/2016/07/microbit-and-bluetooth-roles.html)
+| Role          | [GAP Peripheral](https://bluetooth-developer.blogspot.com/2016/07/microbit-and-bluetooth-roles.html)
 | Congestion avoidance | Adaptive Frequency Hopping
 | Profiles      | 1 [BBC micro:bit profile](https://lancaster-university.github.io/microbit-docs/ble/profile/)
 | More Info     | [here](/bluetooth)

hardware/index.md

@@ -75,7 +75,7 @@ including smartphones and tablets.
 | Channels      | 50 2MHz channels, only 40 used (0 to 39), 3 advertising channels (37,38,39)
 | Sensitivity   | -93dBm in Bluetooth low energy mode
 | Tx Power      | -20dBM to 4dBm in 4 dB steps
-| Role          | [GAP Peripheral](http://bluetooth-mdw.blogspot.co.uk/2016/07/microbit-and-bluetooth-roles.html)
+| Role          | [GAP Peripheral](https://bluetooth-developer.blogspot.com/2016/07/microbit-and-bluetooth-roles.html)
 | Congestion avoidance | Adaptive Frequency Hopping
 | Profiles      | [BBC micro:bit profile](https://lancaster-university.github.io/microbit-docs/ble/profile/)
 | More Info     | [Bluetooth](../bluetooth)