diff --git a/readme.md b/readme.md
index cafc6f2..d47b731 100644
--- a/readme.md
+++ b/readme.md
@@ -23,7 +23,7 @@ Data from the emonTH is transmitted via wireless RF (433MHz) to an emonPi / emon
 ### Related Blog Posts
 
 
-- [Introducing emonTH V2](https://blog.openenergymonitor.org/2016/11/introducing emonth-v2)
+- [Introducing emonTH V2](http://blog.openenergymonitor.org/2016/09/emonth2/)
 
 - [Optical Pulse Counting with emonTH](https://blog.openenergymonitor.org/2015/09/optical-pulse-counting-with-emonth/)
 - [emonTH V1 Prototype](https://blog.openenergymonitor.org/2013/06/emonth-prototype/)
diff --git a/sensor/readme.md b/sensor/readme.md
index 3d3963b..99837e7 100644
--- a/sensor/readme.md
+++ b/sensor/readme.md
@@ -3,30 +3,30 @@
 
 
 | Metric              | [HTU21D](https://octopart.com/htu21d-measurement+specialties-30374934)             |[Si72021](https://octopart.com/si7021-a20-im-silicon+labs-52675246)| DHT22          | DHT22 vs HTU21D Difference| [BME280](https://octopart.com/bme280-bosch-52931981) |
-| ------------- | -------------            |------------- | ------------- | ------------- | ------------- |
-| Cost in 1k off      | £1.42 (July16)     |£2.15|  £4.57 (July16)    | 3.2 times cheaper (£3.15 less!) | £3.07 |
-| Vcc                 | 2.1v - 3.6V        | 1.9V - 3.6V | 3.3-6V | | 1.71 V - 3.6V |
-| Humidity accuracy   | ±2% RH             | ±2% RH |  ±2%RH         | n/a | ±3%RH |
-| Humidity Range      | 0-100% RH          | 0-100% RH |  0-100% RH     | n/a|  0-100% RH  |
-| Temperature accuracy | ±0.3°C            | ±0.4°C|  ±0.5°C        | 40% more accurate | ±0.5 - ±1.0 |
-| Temperature Range   | -40°C +125°C       |  -40°C +125°C  |  -40°C +80°C   | 56% more accurate | -40°C +80°C  |
-| Sleep Current       | 0.02uA             | 0.06uA |  15uA          | 750 times less power | 0.1uA - 0.3uA |
-| Measurement Current | 0.045mA            | 0.09 mA |  0.5mA         | 11 times less power | 0.714mA - 0.350mA |
-| Measurement time    | 0.01s - 0.0026s    | 0.01s - 0.0026s |  2s            | 200 times faster | 0.013s |
-| Energy consumed per sample | 1.5uJ   | 2.97uJ |  3300uJ           | 2000 times less power | |
-| Time sampling per day* |  14.4s          ||  2800s         | | |
-| Time sleeping per day* | 86386s          ||  83600s        | | |
-| Energy consumed per day* | 7.8mJ [1]    ||  8700mJ [2]    | 1115 times less energy per day!  | |
+| ------------- | --------|------------- | ------------- | ------------- | ------------- |
+| Cost in 1k off      | £2.15|  £4.57 (July16)    | 3.2 times cheaper (£3.15 less!) | £3.07 |
+| Vcc                 |  1.9V - 3.6V | 3.3-6V | | 1.71 V - 3.6V |
+| Humidity accuracy   |  ±2% RH |  ±2%RH         | n/a | ±3%RH |
+| Humidity Range      |  0-100% RH |  0-100% RH     | n/a|  0-100% RH  |
+| Temperature accuracy | ±0.4°C|  ±0.5°C        | 40% more accurate | ±0.5 - ±1.0 |
+| Temperature Range   |   -40°C +125°C  |  -40°C +80°C   | 56% more accurate | -40°C +80°C  |
+| Sleep Current       | 0| 0.06uA |  15uA          | 750 times less power | 0.1uA - 0.3uA |
+| Measurement Current | 0. 0.09 mA |  0.5mA         | 11 times less power | 0.714mA - 0.350mA |
+| Measurement time    | 0.01s | 0.01s - 0.0026s |  2s            | 200 times faster | 0.013s |
+| Energy consumed per sample| 2.97uJ |  3300uJ           | 2000 times less power | |
+| Time sampling per day* ||  2800s         | | |
+| Time sleeping per day* | |  83600s        | | |
+| Energy consumed per day*  ||  8700mJ [2]    | 1115 times less energy per day!  | |
 
 ```
-energy consumed (joule, J) = potential difference (volt, V) × charge (coulomb, C)  
-charge (coulomb, C) = current (ampere, A) × time (second, s) 
-energy consumed (joule, J)  = potential difference (volt, V) × current (ampere, A) × time (second, s) 
+energy consumed (joule, J) = potential difference (volt, V) × charge (coulomb, C)
+charge (coulomb, C) = current (ampere, A) × time (second, s)
+energy consumed (joule, J)  = potential difference (volt, V) × current (ampere, A) × time (second, s)
 ```
 
 ## Energy consumed per day*
 
-Energy consumed per day = energy consumed per sample + energy consumed while sleeping. 
+Energy consumed per day = energy consumed per sample + energy consumed while sleeping.
 
 - **HTU21D:** (1400 * 0.0015mJ) + (3.3V * 0.00002mA * 86386 ) = 2.1mJ + 5.7mJ = 7.8mJ [1]
 - **DHT22:**  (1400 * 3.3mJ) + (3.3V * 0.015mA * 83600) = 4.6mJ + 4.1J = 8.7J = 8700mJ   [2]