run () Supported ChannelsĬryptofeed supports the following channels from exchanges: Market Data Channels (Public) Start the feed handler and you're done! from cryptofeed import FeedHandler # not all imports shown for clarity fh = FeedHandler () # ticker, trade, and book are user defined functions that # will be called when ticker, trade and book updates are received ticker_cb = ' ) def main (): f = FeedHandler () f. For the various data channels that an exchange supports, you can supply callbacks for data events, or use provided backends (described below) to handle the data for you.
Supported exchangesĬreate a FeedHandler object and add subscriptions. Utilizes websockets when possible, but can also poll data via REST endpoints if a websocket is not provided. double holdings_ethereum = 0.Handles multiple cryptocurrency exchange data feeds and returns normalized and standardized results to client registered callbacks for events like trades, book updates, ticker updates, etc. const char *fingerprint = "33 C5 7B 69 E6 3B 76 5C 39 3D F1 19 3B 17 68 B8 1B 0A 1F D9" Įdit your crypt holdings here to get total holdings on crypto-ticker screen. Or you can get updated fingerprint from GRC | SSL TLS HTTPS Web Server Certificate Fingerprints. If your ticker is not working, do check if this is updated fingerprint for. You can change ticker Crypto currencies as per your choice in bellow URL link #define CG_URL "" Replace multiplication factor value for ntp client as per your local time zone. Replace bellow line with your OLED model from u8g2 library if needed U8G2_SSD1306_128X64_NONAME_F_HW_I2C u8g2(U8G2_R0, /* reset=*/ U8X8_PIN_NONE) Ĭalibration factor need to be adjusted as per resistors value and final output in below line int analogInPin = A0
Cryptocurrency ticker on raspberry pi password#
Int xPos = 64 - (((strlen(pricelen)) * 11) / 2) Įdit your router WiFi username and password here const char* ssid = "username" Int16_t offset = -(int16_t)u8g2.getDisplayWidth() Void draw(char *s, double coinprice, int prec, double change, String currency) Visible = u8g2.getDisplayWidth() / 8 + 1 If ( visible > u8g2.getDisplayWidth() / 8 + 1 ) U8g2.drawStr(char_offset * 8 - dx, 62, buf) Visible = u8g2.getDisplayWidth() / 8 - char_offset + 1 If ( offset = u8g2.getDisplayWidth() / 8 ) Static char buf // should for screen with up to 256 pixel width Void drawScrollString(int16_t offset, const char *s) Return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min
Long dogecoin_last_updated_at = dogecoin ĭouble shibainu_usd_24h_change = shibainu ĭouble polkadot_usd_24h_change = polkadot ĭraw("BITCOIN - BTC", bitcoin_usd, 2, bitcoin_usd_24h_change, "$") ĭraw("ETHEREUM - ETH", ethereum_usd, 2, ethereum_usd_24h_change, "$") ĭraw("SHIBA-INU - SHIB", shibainu_usd, 6, shibainu_usd_24h_change, "$") ĭraw("DOGECOIN - DOGE", dogecoin_usd, 4, dogecoin_usd_24h_change, "$") ĭraw("POLKADOT - DOT", polkadot_usd, 2, polkadot_usd_24h_change, "$") įloat mapfloat(float x, float in_min, float in_max, float out_min, float out_max) Serial.print(F("deserializeJson() failed: ")) ĭouble bitcoin_usd_24h_change = bitcoin ĭouble ethereum_usd_24h_change = ethereum ĭouble dogecoin_usd_24h_change = dogecoin U8g2.print(timeClient.getFormattedTime()) įloat voltage = (((sensorValue * 3.3) / 1024) * 2 + calibration) //multiply by two as voltage divider network is 100K & 100K Resistorīat_percentage = mapfloat(voltage, 2.8, 4.2, 0, 11) //2.8V as Battery Cut off Voltage & 4.2V as Maximum VoltageĭeserializationError error = deserializeJson(doc, payload) Serial.println(timeClient.getFormattedTime())
Cryptocurrency ticker on raspberry pi serial#
USB to serial programmer in case of standalone Esp8266Ĭircuit Diagram: Crypto-Ticker-Circuit-Diagram Code: #include.In this ticker we are going to use esp8266 nodeMCU and 0.98” OLED display for demonstration. Ticker is basically a display which connects with your local WiFi router or access-point and fetch online crypto currency data from api and displays on its screen.
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