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A Game Boy Speedometer, just because you can.
The “world’s worst digital dash”, a Nintendo Game Boy as a digital speedometer. Interfacing the handheld with the vehicle’s CAN bus system, this project has something to offer.
🖇️Check my Image Description’s🖇️
github.com/JohnSutley/Worlds-W…
#diy #retro #gameboy #speedometer #car #canbus #system #it #engineer #artist #media #maker #tech #art #progamming #news
![Months of work have gone into decoding the Game Boy’s data bus and creating a schematic for the interface board. Tricking the Game Boy into thinking it was loading a game, while actually displaying incoming speed data. The screen’s low resolution and slow refresh rate rendered it barely readable in a moving vehicle. But [John]’s goal wasn’t practicality — it was just proving it could be done.](https://friendica.hellquist.eu/photo/preview/640/4762722 "Months of work have gone into decoding the Game Boy’s data bus and creating a schematic for the interface board. Tricking the Game Boy into thinking it was loading a game, while actually displaying incoming speed data. The screen’s low resolution and slow refresh rate rendered it barely readable in a moving vehicle. But [John]’s goal wasn’t practicality — it was just proving it could be done.")
![[ImageSource: John Sutley]
Showing real-time vehicle speed on the Game Boy sounds like it should be relatively easy, but the iconic game system wasn’t exactly built for such a task. Its 2 MHz CPU and 160×144 pixel dot-matrix screen were every kid’s dream in 1989, but using it as a car dashboard is pushing it. To bridge that gap, [John] designed two custom circuit boards.
One interfaces with the Game Boy, intercepting its memory requests and feeding it data from a microcontroller. The other processes the CAN bus signals, translating speed information into a form the Game Boy can display. [John] used inexpensive tools and software to read the CAN bus data, and used GBDK-2020 to write the software in C.](https://friendica.hellquist.eu/photo/preview/640/4762726 "[ImageSource: John Sutley]
Showing real-time vehicle speed on the Game Boy sounds like it should be relatively easy, but the iconic game system wasn’t exactly built for such a task. Its 2 MHz CPU and 160×144 pixel dot-matrix screen were every kid’s dream in 1989, but using it as a car dashboard is pushing it. To bridge that gap, [John] designed two custom circuit boards.
One interfaces with the Game Boy, intercepting its memory requests and feeding it data from a microcontroller. The other processes the CAN bus signals, translating speed information into a form the Game Boy can display. [John] used inexpensive tools and software to read the CAN bus data, and used GBDK-2020 to write the software in C.")
GitHub - JohnSutley/Worlds-Worst-Digital-Dash
Contribute to JohnSutley/Worlds-Worst-Digital-Dash development by creating an account on GitHub.GitHub
This is the world we live in: cardinalnews.org/2025/03/28/i-…
#surveillance #video #CCTV #police #car #traffic #orwell #bigbrother #freedom #usa #Virginia #news
I drove 300 miles in rural Virginia, then asked police to send me their public surveillance footage of my car. Here’s what I learned.
Anyone might wonder how often they are caught on police cameras that operate 24/7. I spent a day driving, and over a month trying to get the answer.Jeff Schwaner (Cardinal News)
