Guides
Build a Smart Door Lock with a Fingerprint Sensor
A step-by-step overview of building a door lock that opens to enrolled fingerprints and falls back to a keypad code.
Build a Smart Door Lock with a Fingerprint Sensor
A step-by-step overview of building a door lock that opens to enrolled fingerprints and falls back to a keypad code.
Build a Smart Mirror with a Raspberry Pi
A guide to building a wall mirror that shows the time, weather and calendar behind its reflective surface.
Build a Smart Mirror with a Raspberry Pi
A guide to building a wall mirror that shows the time, weather and calendar behind its reflective surface.
Building a Maze-Solving Robot
A practical guide to building a maze-solving robot, covering sensing, wall-following, and basic maze algorithms.
Building a Maze-Solving Robot
A practical guide to building a maze-solving robot, covering sensing, wall-following, and basic maze algorithms.
How to Build a Gesture-Controlled Robot
A practical guide to building a gesture-controlled robot you steer by tilting your hand, covering sensing and the wireless link.
How to Build a Gesture-Controlled Robot
A practical guide to building a gesture-controlled robot you steer by tilting your hand, covering sensing and the wireless link.
Self-Balancing Robot: The Theory and the Build
An accessible explanation of how a self-balancing robot stays upright, plus the parts and control needed to build one.
Self-Balancing Robot: The Theory and the Build
An accessible explanation of how a self-balancing robot stays upright, plus the parts and control needed to build one.
Make a Heartbeat Visualiser with an LED Ring
A guide to building a device that reads your pulse and animates an LED ring in time with your heartbeat.
Make a Heartbeat Visualiser with an LED Ring
A guide to building a device that reads your pulse and animates an LED ring in time with your heartbeat.