The Got2Glow Fairy Finder you know and love is back in an adorable new size, with over 20 virtual baby fairies to find, the Got2Glow Baby Fairy Finder lights up as it detects virtual baby fairies around you, follow the lights, sounds, and directions on...
Seeed-Line-Finder-Seeed-Studio-101020172-p-Seeed-101020172-Grove-Line-Finder-v1-1-is-designed-for-a-line-following-robot-It-has-an-IR-emitting-LED-and-an-IR-sensitive-phototransistor-which-can-output-a-digital-signal-to-a-microcontroller-so-that-the-robot-can-follow-a-black-line-on-a-white-background-or-vice-versa-p-p-The-eye-like-sensors-on-the-board-are-actually-IR-emitting-LED-and-sensitive-phototransistor-When-the-phototransistor-detects-the-reflected-infrared-light-from-the-IR-em
4tronix Robo:Bit for BBC micro:bit and Accessories - 4tronix RBITSON, When used with the Robo:Bit buggy the Ultrasonic Distance Sensor lets the robot detect objects before it collides with them allowing you to program it to avoid them. It can also be...