Differences

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--- en:c1_hardware_1w [2015/02/02 09:38]
mdrjr
+++ en:c1_hardware_1w [2017/05/04 18:45]
odroid
@@ Line 4: / Line 4: @@
   * Will cover an example of a temperature sensor well known **DS1820** other 1 wire IC's are supported too.
+<WRAP left round tip 70%>
+You have to edit **/etc/modprobe.d/blacklist-odroid.conf** file to enable the 1-wire driver because the driver exists in the blacklist by default.
+</WRAP>
+\\
+\\
+\\
+\\
+\\
+\\
 Default GPIO for 1-Wire is **Pin #7 (GPIO83)**
-  * Connection:
+  * **Connection: With External-Supply**
-{{:en:untitled_sketch_bb.png?750|}}
+{{:en:1-wire-external-power.png?750|}}
 Pin 1 (Left): Ground (-)
@@ Line 16: / Line 25: @@
 Pin 3 (Right): VCC (3.3V)
-You also need to add a resistor from 4.7k to 10k between pin 2 and 3.
+You also need to add a resistor from 4.7k to 10k between pin 2.
+  * **Connection: Supplying the Parasite-Powered**
+{{:en:1-wire-parasite-power.png?750|}}
+Pin 1 (Left): Ground (-)
+Pin 2 (Middle): Pin #7 C1
+Pin 3 (Right): Ground (-)
+You also need to add a resistor from 4.7k to 10k between pin 2.
   * Load the required kernel modules: <code>modprobe w1-gpio && modprobe w1-therm</code>