apotox / btc-ticker-esp01s

Realtime Bitcoin Ticker based on ESP8266 ESP-01S WiFi Module

Realtime Bitcoin Ticker

(1,75x speed, flickering from camera recording)

Features

• Displays current price and candle chart in realtime using websockets
• Tiny form factor with an ESP8266 ESP-01S WiFi Module and a SSD1306 OLED display
• Based on PlatformIO for dependency management, compilation and flashing of binaries
• Arduino framework

Hardware requirements

• ESP8266 ESP-01S WiFi Module
• OLED Display SSD1306 128×64
• Programmer for the ESP8266 (I used a USB to Serial Converter)

Usage

Pin connections

ESP8266 programming mode

ESP <--> OLED connections

image sources:

• https://www.instructables.com/ESP-01-Module-Programming-Board/
• https://pdacontrolen.com/esp8266-display-oled-i2c-client-irc/

Compilation and Flashing

Make sure PlatformIO is installed (see also the PlatformIO documentation):

$ pip install -U platformio

Set the WiFi parameters in config.h, then compile the project and create the firmware:

$ pio run

Put the ESP8266 in programming mode and flash the device with

$ pio run -t upload

License

To the extent possible under law, Jan Sturm has waived all copyright and related or neighboring rights to BTC ticker. This work is published from: Germany.