The world of DIY technology never ceases to amaze us. in this occasion, Damn riderknown for his ingenious projects, offers us an extraordinary feat: he turned his truck into a Giant dot matrix printer Thanks one Raspberry pie.
The project
This remarkable printer works in a surprisingly simple way. It uses drops of water dropped on the road to form personalized letters and messages. Like traditional dot-matrix printers, each letter is formed by the precise placement of “dots,” in this case, water droplets.
The system is installed in the back of the truck. From inside the cab, Rider controls the printing process with a file Web interface. This is where the Raspberry Pi comes into play, a small computer board that is used for a variety of DIY projects due to its versatility.
Raspberry Pi in action
Raspberry Pi is the brains behind this innovative project. The board is responsible for operating the web interface, accepting user input for new messages, and sending the command to activate the water-based printing system.
The printing process itself is quite impressive. Solenoids—electronically controlled switches—are used to release water at steering. These are connected via a series of hoses and valves to a bucket of water in the back of the truck.
road print
When the user enters a new message in the web interface, that text is converted into an image which is then processed for printing. The solenoids shoot the water in specific patterns, thus creating the characters on the road.
This project impressively demonstrates the combination of simple hardware and creative coding. While printing letters on the road with water may sound like a hobby app, this project offers a great glimpse into what can be achieved with a Raspberry Pi and a little ingenuity.
Watch the project in action
To see this project in action, visit The official channel of Damn riderRyder, calm down. You will be able to see the amazing process of designing and assembling the largest dot matrix printer you have ever seen.
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