Grace Hopper: Queen of Computer Code by Laurie Wallmark – Illustrated by Katy Wu: Grace Hopper: Queen of Computer Code is an inspiring, upbeat picture-book biography of one of STEM’s unsung heroes. Did you know Grace originated the term “computer bug”? This beautifully illustrated book follows Grace’s clock-tinkering in childhood to Vassar collegiate life to her long career in the US Navy (she retired as an admiral! At almost 80 years old!).
Analog Potentiometer Volume Adjustable TRRS Headset: Most modern headphone sets are purely digital – with three volume control buttons in-line with the cable. These headphones are interesting in that they have an analog volume control potentiometer. Perfect for use with electronic projects that don’t have a volume control, or for phones that don’t know how to use the digital buttons. There is one button on the headset, often used for ‘pause’ or ‘mute’ – when pressed it grounds the microphone pin.
Flanged Weatherproof Enclosure With PG-7 Cable Glands: Whether you’re raiding tombs or traversing nuclear fallout wastelands, this is the most heavy-duty enclosure for your project! Weatherproof? Check. Tough polycarbonate cover? Check. Built-in gasket seal? Oh yeah, check.
Store your project safe and sound in this Flanged Weatherproof Enclosure. We especially like the machinable ABS plastic body, four mounting holes, and the easy-open screws that can be taken apart as many times as you wish without worrying about cracking or stripping. It’s a lot like our other Weatherproof Enclosure but has mounting flanges with holes for easy attachment. It also has two PG-7 cable glands ( built in! These allow weather-tight cables to enter/leave the enclosures with gaskets that keep dust out. This size is good for cables 0.118″ – 0.169″ diameter.
2 x AA Battery Holder with Knife Switch: We’ve got battery holders for all sorts of needs and projects! Waterproof? Here ya go. With a clicky on/off switch? Easy peasy. Here’s our latest addition in classy Adafruit black: 2 x AA Battery Holder with Knife Switch. What’s so special about ’em? Well with the knife switch you can easily control the flow of electricity to your project.
Molex Pico Blade 2-pin Cable – 200mm: When 0.1″ is too big, and JST PH’s too chunky, the ultra-slim “PicoBlade” is a reliable alternative. These are only 1.25mm pitch, but have a nice clicky connection.