In the years leading up to the United States’ entry into World War I in 1917, the nation was neutral, profiting from the war by manufacturing munitions and selling them to both sides. But a British naval blockade around Germany made it impossible for the Central Powers to acquire American arms. As a result, Imperial Germany established a ring of saboteurs and spies within the US, secretly destroying munitions factories and ships, and trying to make it look like an accident.
Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.