1414// limitations under the License.
1515//
1616
17- // FirebaseStream_ESP8266 is a sample that streamon a firebase child
18- // node .
17+ // FirebaseStream_ESP8266 is a sample that streambitcoin price from a
18+ // public Firebase and optionally display them on a OLED i2c screen .
1919
2020#include < Firebase.h>
21+ #include < Adafruit_GFX.h>
22+ #include < Adafruit_SSD1306.h>
2123
22- Firebase fbase = Firebase(" example.firebaseio.com"
24+ #define OLED_RESET 10
25+ Adafruit_SSD1306display (OLED_RESET);
26+
27+ Firebase fbase = Firebase(" publicdata-cryptocurrency.firebaseio.com"
2328
2429void setup () {
2530 Serial.begin (9600 );
2631
32+ display.begin (SSD1306_SWITCHCAPVCC,0x3C );// initialize with the I2C addr 0x3C (for the 128x32)
33+ display.display ();
34+
2735// connect to wifi.
2836 WiFi.begin (" SSID" " PASSWORD"
2937 Serial.print (" connecting"
@@ -35,7 +43,7 @@ void setup() {
3543 Serial.print (" connected:"
3644 Serial.println (WiFi.localIP ());
3745
38- fbase.stream (" /chat "
46+ fbase.stream (" /bitcoin "
3947}
4048
4149
@@ -52,6 +60,14 @@ void loop() {
5260if (type != Firebase::Event::UNKNOWN) {
5361 Serial.print (" data:"
5462 Serial.println (event);
63+
64+ // TODO(proppy): parse JSON object.
65+ display.clearDisplay ();
66+ display.setTextSize (1 );
67+ display.setTextColor (WHITE);
68+ display.setCursor (0 ,0 );
69+ display.println (event);
70+ display.display ();
5571 }
5672 }
5773}