Boost Gauge, digital

A digital boost gauge...... because they cost too much retail.

Covid Lockdown
Project: Mapsies
Issue: It doesn't make sense why a digital boost gauge is over $200 USD

Basis for inspiration |

Tools | 3d printer, soldering iron, code familiarity?, glue gun Parts; Nano V3.0, Nano Board ATmega328P 5V 16M Micro-Controller Board Compatible with Arduino IDE (Nano x 3 with USB Cable) OLED Display Module 12864 128x64 Pixel LCD Yellow Blue SSD1306 Driver Board I2C Serial 0.96 inch IIC Chip 4 Pin Self-Luminous Display Board Gauge pod Code \copy local\ Original mediafire You can figure it from that right...?