Adafruit is an online store known for its wide range of electronics, tools, and accessories for makers, hobbyists, and DIY enthusiasts. Founded by Limor Fried, Adafruit offers a diverse selection of products including microcontrollers, sensors, LEDs, and more. The website also features tutorials and project ideas to help users learn and create with their products. With a focus on open-source hardware and education, Adafruit is a popular destination for those interested in electronics and technology.