ESP32-TTGO-T4 CryptoMoneyTicker v1.4

Update 1.4

Adding 3 buttons :

• Go to the previous currency
• Stay on a crypto currency
• Go to the next one

Added support for SD cards and saved data (date, price) in .csv format

If you don't have any buttons or SD card, no problem the project will work

Update v1.3

Correction of the price display which had 9 decimal places.

Replacement of the Cardano crypto-currency for Dash.

Update v1.2

Switch to version 2 of the API CoinMarketCap.

Update v1.1

Now you can follow 5 crypto-currency of your choice but without bitmap, you can always add it. They are already available for Bitcoin, Ethereum, Ripple, Litecoin and Dash.

Bitmap support in 16 bit.

Description

This a small screen for your desktrop or somewhere else, it allows to follow 5 of your favorites crypto-currency.

Data are collected via the API of the site CoinMarketCap and are updated every 5 minutes.

The display changes of crypto-currency every minute. You can change this delay but do not exceed 30 updates per minute.

Materials

• ESP32
• LCD TFT ILI9341 2.2"

Library required

• ArduinoJson
• WiFi
• WiFiClientSecure
• SPI
• Adafruit-GFX
• Adafruit-ILI9341
• TimeLib

To begin

• Enter the IDs of your WiFi :

  50 const char ssid = "yourSSID"; 51 const char password = "yourPASSWORD";

• Enter the 5 crypto-currency of your choice:

Go to listings then CTRL+F to launch the search tool, then type the name of the desired currency, take its {id}. And finally follow the instructions from line 73

• Choose the screen change interval (do not exceed 30 changes/minute)

  145 interval = yourInterval; // in milliseconds

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License

MIT