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--- esib_iot_challenge [2017/05/18 00:05] – [5.1. The End-to-End Challenge] samer
+++ esib_iot_challenge [2017/05/22 18:19] – [6.1. The Wind Rises] samer
@@ Line 130: / Line 130: @@
 </WRAP>
-===== -. The Challenges =====
+If you need to send data to your device, you should publish the encoded message in the corresponding topic ''application/APPLICATION_ID/node/DEVICE_EUI/tx'' as follows:
+<code>
+{
+    "reference": "abcd1234",                  // reference which will be used on ack or error (this can be a random string)
+    "confirmed": false,                        // whether the payload must be sent as confirmed data down or not
+    "fPort": 10,                              // FPort to use (must be > 0)
+    "data": "...."                            // base64 encoded data (plaintext, will be encrypted by LoRa Server)
+}
+</code>
+===== -. Day One Challenges =====
 ==== -. The End-to-End Challenge ====
@@ Line 141: / Line 151: @@
 I can tune the LoRa radio parameters and assess the results.
+These two commands can be helpful when used after the join event:
+<code c++>
+LMIC_disableChannel(N);
+LMIC_setDrTxpow(DR_SF12,14);
+</code>
 ==== -. The Sensor Challenge ====
-I can use different sensors to send data from the device.
+I can use different sensors to send data from the device: PIR, moisture, temperature, light, etc.
+===== -. Day Two Challenges =====
+==== -. The Wind Rises ====
+This is a mandatory challenge. It consists of using [[https://nodered.org|Node-RED]] to receive data from the sensors (via MQTT) and send it to [[https://emoncms.org|emoncms]]. The dashboard facility on emoncms is used to visualize the sensor data.
+^ Provided material ^
+| VM with Node-RED installed |
+| Node-RED example flow |
+^ Required skills ^
+| Basic javascript |
+| GUI configuration |
+| Two drops of IoT imagination |
+=== Provided material ===
+  * VM with Node-RED installed
+  * Node-RED example flow
+=== Required skills ===
+  * Basic javascript
+  * GUI configuration
+  * Two drops of IoT imagination
+==== -. Nausicaa Challenge ====
+==== -. Totoro Challenge ====
+==== -. Kiki Challenge ====
+==== -. Mononoke Challenge ====