Differences

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--- hellohome:node:node [2017/01/26 15:06] – [Node types] vdesmedt
+++ hellohome:node:node [2017/02/02 09:54] (current) – [Assignment] vdesmedt
@@ Line 8: / Line 8: @@
     * Powered by battery or on main
     * 2 Hal, 1 Strait
+    * 4 current sensors
     * Environment sensors
   * Relay nodes
@@ Line 37: / Line 38: @@
   *  8 Digi
   *  1 Interrupt
+==== Notes ====
+  * One interupt pin can be used to monitor multiple inputs with the helps of diodes
+  * Digital inputs can be extended with I2C Digital extender
+  * Analog inputs can be extended with ADS1515
+  * We can easely read 5 digital inputs on an analog input with the help of a tension divider
 ==== Assignment ====
 The moteino has 22 a/d pins from which some are reserved for the internal use of the moteino (flash, rf)
@@ Line 51: / Line 59: @@
   * D8,11-13 : Flash
   * D9 : LED
-  * D14 : Push Button 1
+  * D14 : Free
-  * D15 : Push Button 2
+  * D15 : Free
   * D16 : Free
-  * D17 : Free
+  * D17 : ConfigReset
   * D18,19 : I2C
   * A6 : Vin
   * A7 : Free (Could be up to 5 input based on voltage divider)
   * I2C 8 Port Extender : DOUN 1-8
+MCP23018 Allow 16 Digital I/O with interrupt to control 5 relays, 5 push buttons and 5 leds
+===== Components =====
+  * Current Measurement : testing TA12-200 (5A as low as 1.25$ on AliExpress, used in [[http://www.gotronic.fr/art-capteur-de-courant-grove-5a-101020027-18986.htm|Grove]])