Bitcoin Ticker

Bitcoin Tracker

This device connects to  your wireless  network and checks your bitcoin balance along with the current exchange rate every 20 seconds to show you how much it is worth in USD.

Images: 

https://imgur.com/a/Gmcsi

Components:

• ESP8266 WiFi Microcontroller
• SPI MicroSD Card Reader
• I2C Yellow/Blue 128x64 LCD
• 3x M3x25 hex screws
• MicroSD Card
• Micro USB Cable/Charger

LCD Wiring:

(solder to the bottom of the ESP8266)

SDL -> D1

SDA -> D2

VCC -> VIN

GND -> GND1

SD Card Reader Wiring:

(solder to the top of the ESP8266)

CS -> D8

SCK -> D5

MOSI -> D7

MISO -> D6

VCC -> VIN

GND -> GND

Printing:

Print all four pieces at 100% infill with supports. I printed the two inside pieces in gold and changed colors mid print from gold to black on the back part.

Setup:

The latest source code is available here.  

Create a setup.txt file on the MicroSD card with a single line containing your wifi credentials and bitcoin address with three semicolons:

wifi_ssid;wifi_pass;bitcoin_address;

In the Arduino IDE: 

Go to File > Preferences and add http://arduino.esp8266.com/stable/package_esp8266com_index.json to the Additional Boards Manager URLs field.

Go to Tools > Board > Boards Manager and add the ESP8266 package.

Go to Sketch > Include Library > Manage Libraries and add the Adafruit SSD1306 and Adafruit GFX libraries.

Donations: 1GtVk9PFQjQ852Ng3zgDrWfLvJGW39oJcX