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:
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
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Bitcoin Ticker
Creative Commons Public Domain
The creator has waived all rights to the work. You can copy, modify, distribute and perform the work, even for commercial purposes, without asking permission.
Licensed under CC0
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