README.md

Real-time crypto tracker on Flip Digit display

Using an Arduino with Wifi, we can connect to a real-time WebSocket crypto feed and output the real-time prices onto a mechanical FlipDigit display. WebSocket API and cryptos to track are all configurable in the code.

What are Flip Digit displays?

Flip Digits are 7-segment numbers that use small permanent magnetics to flip the segment on/off. Powered by a small electromagnetic to flip it retains its state even after power is disconnected. Read this if you'd like to know more.

Watch & listen

recorded 17.11.2021

Equipment

• FlipDigit 7x4 display from AlfaZeta flipdots.com
• ESP8266 D1 mini
• MAX485 RS-485 Module
• PSU 24V 1A

Wiring & setup

Edit & upload the Arduino sketch to the ESP.

Arduino => MAX485

3V3 => VCC
G   => G
D3  => D1
D0  => DE

MAX485 => Flip Digits

24V 1A  => VCC  
RS485 A => RS485+
RS485 B => RS485-

Flip Digit panel settings

DIP1: ↑↓↓↓↓↓↓↓ (Id 1)
DIP2: ↓↓↑ (19200 baud rate)

Want to know more?

Contact me if you have any questions.

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