Build a $15 DIY Walkie-Talkie
Creating a walkie-talkie for just $15 is possible with a Raspberry Pi Pico W and some basic audio components. This project involves simple assembly and coding with MicroPython, making it accessible and affordable. Plus, it's expandable with features like encryption or extended range.
Read the build on hackster.io: Build a $15 DIY Walkie-TalkieFeatured in TinkerNews Issue 13 ·
More Raspberry Pi builds
97 buildsBuild a Raspberry Pi Thermal Printer
A Raspberry Pi, a small thermal printer, and a few Python files can turn digital messages into paper. This repository provides a practical starting point, with wiring documentation and active development, but its current README and source should be checked for exact hardware, power, and connection details.
Read the build on github.com: Build a Raspberry Pi Thermal PrinterGarden of Eden Puts a Raspberry Pi in Control
Closed garden systems can leave useful hardware tied to one controller. Garden of Eden takes a different route: a Raspberry Pi runs local software, reads environmental sensors, connects garden hardware through GPIO, and feeds Home Assistant. It remains a work in progress, but offers a practical path toward inspectable, adaptable control.
Read the build on github.com: Garden of Eden Puts a Raspberry Pi in ControlRaspberry Pi Touchscreen Aircraft and Marine Tracker
A Raspberry Pi and 4-inch touchscreen present nearby aircraft and marine traffic as a compact radar-style display. The project pairs relative positions with map views, but the supplied repository excerpt does not confirm the Pi model, touchscreen connection, enclosure, receivers, APIs, or startup procedure, so those details need checking before building.
Read the build on github.com: Raspberry Pi Touchscreen Aircraft and Marine TrackerPoké Pi: A Raspberry Pi Poké Ball Cyberdeck
A red-and-white Poké Ball shell houses this custom Raspberry Pi gaming console. Designed for classic Pokémon and other retro games, the project pairs Fusion 360 enclosure work with Gen 1 Recomp software. Its photos show a themed handheld taking shape, while several hardware details still require confirmation.
Read the build on pcbway.com: Poké Pi: A Raspberry Pi Poké Ball CyberdeckGive an AI a Body: Raspberry Pi Robot
A Raspberry Pi can serve as an AI brain while a PiDog supplies the legs, camera, microphone, speaker, and motors. This open-source project links both sides over HTTP, supports hosted or local language models, and adds face recognition, speech, movement, and Telegram control across a network.
Read the build on github.com: Give an AI a Body: Raspberry Pi RobotBuild a Raspberry Pi CAN-Bus Reverse-Engineering Lab
Raw CAN frames rarely explain themselves. CanLab pairs a Raspberry Pi logger with a Python/PyQt6 desktop workstation that helps inspect traffic, test candidate signals, and export DBC files. Its suggestions are heuristic, so validation matters, and replay or injection belongs only on an isolated bench—not in a road vehicle.
Read the build on github.com: Build a Raspberry Pi CAN-Bus Reverse-Engineering Lab